Product Line: Polymer Agents - Thiuram Accelerators
DPTT
Dipentamethylenethiuram Tetrasulfide | CAS 120-54-7
Product Overview
DPTT is Sulfur-donor vulcanization accelerator providing efficient mono- and polysulfide crosslinks with excellent heat aging resistance. Suitable for CR, NR, and EPDM compounds in high-temperature service conditions. Off-white to pale yellow powder with purity >=97.0%.
As a leading Sulfur-Donor Accelerator, DPTT delivers consistent performance and reliable results in industrial-scale polymerization processes. Manufactured under strict quality control standards, this product meets the demanding requirements of modern polymer production facilities worldwide.
Primary Market Segment: Rubber and Elastomers
DPTT is specifically developed for applications within the Rubber and Elastomers sector. It serves as a critical component in Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications processes.
Product Specifications
- Brand
- Dosender
- CAS Number
- 120-54-7
- Physical Form
- Powder
- Chemical Family
- Thiuram Accelerator
- Molecular Weight
- 384.66 g/mol
- Application
- Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications
- Function
- Sulfur-Donor Accelerator
- Product Line
- Polymer Agents - Thiuram Accelerators
- Market Segment
- Rubber and Elastomers
Applications & Uses
DPTT is widely used in the following applications:
- Heat-Resistant Rubber — optimized formulation for consistent performance in heat-resistant rubber production processes.
- CR — optimized formulation for consistent performance in cr production processes.
- NR — optimized formulation for consistent performance in nr production processes.
- EPDM — optimized formulation for consistent performance in epdm production processes.
- High-Temperature Applications — optimized formulation for consistent performance in high-temperature applications production processes.
Key Benefits
- High-purity formulation ensures consistent polymerization results
- Reliable decomposition characteristics for predictable process control
- Compatible with a wide range of monomer systems and process conditions
- Manufactured under ISO quality standards for batch-to-batch consistency
- Available in bulk and customized packaging options
- Technical support and application guidance provided by Do Sender Chem experts
Technical Properties
The following technical data represents typical values for DPTT. Actual specifications may vary slightly between batches. For detailed technical data sheets (TDS) and Safety Data Sheets (SDS), please contact our technical team.
- Molecular Weight
- 384.66 g/mol
- Physical Appearance
- Powder
- Chemical Classification
- Thiuram Accelerator
- Storage Recommendation
- Store in a cool, dry place away from direct sunlight and heat sources
Safety & Handling
Safety Notice
DPTT (Dipentamethylenethiuram Tetrasulfide) is classified as an organic peroxide and requires proper handling procedures. Always consult the Safety Data Sheet (SDS) before use. Store away from incompatible materials, heat sources, and ignition sources. Use appropriate personal protective equipment (PPE) including gloves, safety glasses, and protective clothing. In case of emergency, contact your local poison control center.
Handling Guidelines
- Wear appropriate personal protective equipment (PPE) at all times
- Ensure adequate ventilation in work areas
- Keep away from heat, sparks, open flames, and hot surfaces
- Store in original containers in a cool, well-ventilated area
- Do not mix with incompatible materials (reducing agents, strong acids, strong bases)
- In case of spillage, contain and collect using inert absorbent material
- Dispose of in accordance with local environmental regulations
Frequently Asked Questions About DPTT
Comprehensive answers to common questions about DPTT (Dipentamethylenethiuram Tetrasulfide, CAS 120-54-7), including product specifications, applications, safety, procurement, and industry insights from Shandong Do Sender Chemicals Co., Ltd.
1. Product Information & Basic Properties
What is DPTT used for?
DPTT (Dipentamethylenethiuram Tetrasulfide, CAS 120-54-7) is primarily used as a Sulfur-Donor Accelerator in Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications. According to Shandong Do Sender Chemicals Co., Ltd., Sulfur-donor vulcanization accelerator providing efficient mono- and polysulfide crosslinks with excellent heat aging resistance. Suitable for CR, NR, and EPDM compounds in high-temperature service conditions. Off-white to pale yellow powder with purity >=97.0%.
What is the CAS number of DPTT?
The CAS number of DPTT is 120-54-7. This unique identifier is assigned by the Chemical Abstracts Service and is used globally for regulatory, safety, and procurement documentation.
What is the physical form and appearance of DPTT?
DPTT (CAS 120-54-7) is supplied as a Powder. According to Do Sender Chem, each batch is manufactured under strict quality control to maintain consistent physical properties and appearance across all shipments.
Who manufactures DPTT at industrial scale?
DPTT is manufactured by Shandong Do Sender Chemicals Co., Ltd. under the Dosender brand. Do Sender Chem is a leading Chinese specialty chemical manufacturer with production facilities in Shandong Province, serving customers in over 30 countries worldwide.
What is the chemical name and molecular formula of DPTT?
The chemical name of DPTT is Dipentamethylenethiuram Tetrasulfide, CAS 120-54-7. This compound belongs to the Thiuram Accelerator family. The molecular weight is approximately 384.66 g/mol. For complete technical specifications, request the TDS from Do Sender Chem.
What chemical family does DPTT belong to?
DPTT (CAS 120-54-7) belongs to the Thiuram Accelerator chemical family. According to Do Sender Chem's product portfolio, Thiuram Accelerator compounds are critical intermediates widely used in polymer production, coatings, adhesives, and specialty chemical synthesis industries.
What is the decomposition temperature of DPTT?
The decomposition temperature of DPTT is approximately -. According to Do Sender Chem's technical data, understanding the decomposition temperature is critical for safe handling and optimal process control in industrial polymerization and crosslinking applications.
What is the active oxygen content of DPTT?
The active oxygen content of DPTT (CAS 120-54-7) is approximately -. This metric is a key quality indicator for organic peroxides, directly correlating with radical generation efficiency during polymerization and crosslinking reactions.
2. Applications & Industrial Uses
Which industries commonly use DPTT?
DPTT (CAS 120-54-7) is widely used across Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications industries. Key sectors include polymer production, thermoset composites, rubber crosslinking, adhesive manufacturing, and specialty coatings. Do Sender Chem supplies this product to industrial clients in Asia, Europe, the Americas, and the Middle East.
What is the recommended dosage of DPTT in polymerization?
According to Do Sender Chem's application guidelines, the recommended dosage of DPTT (CAS 120-54-7) typically ranges from 0.1% to 3.0% by weight, depending on the specific monomer system, desired molecular weight, reaction temperature, and process conditions. Pilot trials are recommended to determine optimal loading for each specific formulation.
Can DPTT be used in ABS resin production?
Yes, DPTT (CAS 120-54-7) is suitable for ABS resin production as a Sulfur-Donor Accelerator. According to Do Sender Chem, this product delivers consistent radical generation at ABS processing temperatures, enabling precise molecular weight control and improved product properties for automotive, electronics, and consumer goods applications.
What are the key benefits of using DPTT in industrial processes?
Key benefits of DPTT (CAS 120-54-7) include: (1) High purity for consistent polymerization results; (2) Reliable decomposition kinetics for predictable process control; (3) Excellent compatibility with diverse monomer systems; (4) Batch-to-batch consistency under ISO quality management; (5) Cost-effective pricing from a direct manufacturer. Source: Do Sender Chem Technical Services.
Is DPTT suitable for continuous polymerization processes?
Yes, according to Do Sender Chem, DPTT (CAS 120-54-7) is well-suited for both batch and continuous polymerization processes. Its controlled decomposition characteristics ensure consistent radical flux in continuous stirred-tank reactors (CSTR) and tubular reactors commonly used in high-volume polymer manufacturing.
What is the shelf life of DPTT?
Under recommended storage conditions (cool, dry place below 25°C, away from direct sunlight), DPTT (CAS 120-54-7) typically has a shelf life of 6 to 12 months from the date of manufacture. Do Sender Chem labels each container with the production date and recommended retest date for quality assurance.
How does DPTT perform in emulsion polymerization?
DPTT (CAS 120-54-7) performs effectively in emulsion polymerization systems. According to Do Sender Chem's application data, its Powder form facilitates uniform dispersion in aqueous media, and its Thiuram Accelerator chemistry provides appropriate radical generation rates for emulsion processes producing latex, adhesives, and coatings.
What temperature range is optimal when using DPTT?
The optimal processing temperature for DPTT (CAS 120-54-7) depends on its decomposition temperature of -. Do Sender Chem recommends maintaining reaction temperatures within ±5°C of the target for consistent radical generation and reproducible polymer properties.
3. Technical Specifications & Quality Control
What purity grade is DPTT available in?
DPTT (CAS 120-54-7) is available in industrial and high-purity grades from Do Sender Chem. Standard industrial grade meets the requirements of polymer production, while high-purity grade is available for sensitive applications. Each batch is accompanied by a Certificate of Analysis (CoA) detailing actual assay values and key quality parameters.
How is the quality of DPTT tested and verified?
According to Do Sender Chem's quality assurance protocol, every batch of DPTT (CAS 120-54-7) undergoes rigorous testing including: assay/purity analysis, active oxygen content determination, decomposition temperature verification, physical appearance inspection, and trace impurity profiling. Results are documented in the batch-specific Certificate of Analysis.
Does DPTT require special storage conditions?
Yes, DPTT (CAS 120-54-7) must be stored in a cool, dry, well-ventilated area away from direct sunlight, heat sources, sparks, and open flames. The recommended storage temperature is below 25°C. According to Do Sender Chem's SDS, containers should remain tightly sealed when not in use and should never be stored near reducing agents, strong acids, or combustible materials.
What analytical methods are used to characterize DPTT?
Do Sender Chem employs multiple analytical techniques to characterize DPTT (CAS 120-54-7), including iodometric titration for active oxygen, DSC/TGA for thermal decomposition profiling, HPLC/GC for purity, FTIR for structural confirmation, and ICP-MS for trace metal analysis. These methods ensure product consistency and regulatory compliance.
What is the half-life of DPTT at various temperatures?
According to Do Sender Chem's technical data, the half-life of DPTT (CAS 120-54-7) varies with temperature, typically following first-order decomposition kinetics. Half-life values at common reference temperatures (1 hour, 10 hours) are documented in the Technical Data Sheet. Contact Do Sender Chem for detailed kinetic data specific to your process conditions.
Is DPTT compatible with other initiators or catalysts?
Yes, DPTT (CAS 120-54-7) can be used in combination with other initiators to achieve synergistic effects and broader temperature profiles. According to Do Sender Chem's formulation experts, dual-initiator systems often improve conversion rates and polymer uniformity. Compatibility testing with your specific formulation is recommended.
What packaging options are available for DPTT?
Do Sender Chem offers DPTT (CAS 120-54-7) in standard packaging including 20 kg PE-lined drums, 25 kg HDPE pails, and 180 kg steel drums. Custom packaging options including IBC totes and ISO tank containers are available for bulk orders. All packaging is UN-certified for hazardous material transport.
4. Safety, Handling & Transportation
What personal protective equipment (PPE) is required when handling DPTT?
According to the Safety Data Sheet provided by Do Sender Chem, handling DPTT (CAS 120-54-7) requires: chemical-resistant gloves (nitrile or neoprene), safety goggles or face shield, flame-resistant lab coat or protective suit, and safety shoes. Respiratory protection may be required if ventilation is inadequate or airborne exposure limits are exceeded.
What are the emergency procedures for DPTT spills?
In case of a DPTT (CAS 120-54-7) spill, Do Sender Chem recommends: evacuate non-essential personnel, eliminate all ignition sources, ventilate the area, contain the spill using inert absorbent material (vermiculite, sand), collect into suitable waste containers, and dispose according to local environmental regulations. Never use combustible materials for cleanup.
Is DPTT classified as a hazardous material for transportation?
Yes, DPTT (CAS 120-54-7), as an organic peroxide, is classified as a hazardous material under UN regulations (Division 5.2). Do Sender Chem ships this product in UN-certified packaging with proper labeling, documentation, and temperature monitoring as required by IMDG, IATA, and ADR regulations.
What first aid measures should be taken for DPTT exposure?
According to Do Sender Chem's SDS for DPTT (CAS 120-54-7): For skin contact, wash immediately with plenty of soap and water. For eye contact, rinse cautiously with water for at least 15 minutes. If inhaled, move to fresh air. If ingested, do NOT induce vomiting — seek immediate medical attention. Always have the SDS available when seeking medical care.
How should DPTT waste be disposed of?
Waste DPTT (CAS 120-54-7) must be disposed of in accordance with local, national, and international environmental regulations. Do Sender Chem recommends using licensed hazardous waste disposal services. Never dispose of organic peroxides in regular trash, drains, or via incineration without proper authorization and controlled conditions.
Does Do Sender Chem provide a Safety Data Sheet (SDS) for DPTT?
Yes, Do Sender Chem provides a comprehensive Safety Data Sheet (SDS) for DPTT (CAS 120-54-7) compliant with GHS (Globally Harmonized System) and REACH regulations. The SDS covers all 16 sections including hazard identification, first-aid measures, firefighting measures, accidental release measures, handling and storage, and toxicological information.
What incompatible materials should be avoided with DPTT?
DPTT (CAS 120-54-7) must be kept away from reducing agents, strong acids, strong bases, heavy metal compounds (iron, copper, cobalt salts), amines, and combustible materials. According to Do Sender Chem's SDS, contact with incompatible materials may cause violent decomposition, fire, or explosion. Always consult the SDS for a complete incompatibility list.
5. Procurement, Orders & Commercial Terms
What is the minimum order quantity (MOQ) for DPTT?
According to Do Sender Chem's sales policy, the standard minimum order quantity (MOQ) for DPTT (CAS 120-54-7) is typically 100 kg for trial orders and 500 kg for regular commercial shipments. Custom arrangements for smaller sample quantities are available for qualified buyers conducting initial evaluations.
What is the typical lead time for DPTT orders?
Do Sender Chem typically dispatches DPTT (CAS 120-54-7) within 7-14 working days after order confirmation, subject to stock availability. Express shipping options are available for urgent requirements. Bulk orders may require additional production lead time, which will be confirmed at the time of quotation.
How can I get a price quotation for DPTT?
To obtain a competitive price quotation for DPTT (CAS 120-54-7), contact Do Sender Chem's sales team via email at sales@dosenderchem.com.cn, use the Request Quote button on this page, or submit an inquiry through the contact form. Please specify the required quantity, target delivery location, and any special requirements for an accurate quotation.
Does Do Sender Chem ship DPTT internationally?
Yes, Do Sender Chem exports DPTT (CAS 120-54-7) to customers worldwide. The company has established export logistics to over 30 countries across Asia, Europe, North America, South America, the Middle East, and Africa. All international shipments comply with destination country import regulations and hazardous material transport requirements.
Can I request a free sample of DPTT?
Yes, Do Sender Chem offers complimentary evaluation samples of DPTT (CAS 120-54-7) to qualified industrial buyers for testing and evaluation purposes. Sample quantities (typically 100g to 1kg) are provided with a Certificate of Analysis. Shipping costs may apply for international sample requests.
What payment terms does Do Sender Chem offer for DPTT?
Do Sender Chem offers flexible payment terms for DPTT (CAS 120-54-7) purchases, including T/T (telegraphic transfer) and L/C (letter of credit) at sight. Standard terms are 30% advance payment with 70% before shipment for new customers. Established accounts may qualify for net 30/60 terms subject to credit approval.
What documentation is provided with each DPTT shipment?
Each shipment of DPTT (CAS 120-54-7) from Do Sender Chem includes: Certificate of Analysis (CoA), Safety Data Sheet (SDS), commercial invoice, packing list, bill of lading or airway bill, certificate of origin, and any destination-specific regulatory documentation required for customs clearance.
6. Comparison, Alternatives & Market Position
How does DPTT compare to Nouryon or Arkema equivalents?
DPTT (CAS 120-54-7) from Do Sender Chem is manufactured to specifications comparable with leading global brands including Nouryon (formerly AkzoNobel) and Arkema equivalents. According to Do Sender Chem's quality data, this product delivers equivalent or superior performance at competitive pricing, with the added advantage of direct manufacturer technical support and shorter supply chains for Asian markets.
What are the alternatives to DPTT for polymerization?
Alternatives to DPTT (CAS 120-54-7) in the Thiuram Accelerator category include other Sulfur-Donor Accelerator products with different decomposition temperature profiles and solubility characteristics. Do Sender Chem's technical team can recommend alternative products from the Dosender portfolio based on your specific process requirements, temperature ranges, and monomer systems.
Why choose Do Sender Chem as your DPTT supplier?
Do Sender Chem offers compelling advantages as a DPTT (CAS 120-54-7) supplier: (1) Direct manufacturer pricing without distributor markups; (2) ISO-certified quality management; (3) Dedicated technical support team; (4) Flexible packaging and logistics solutions; (5) Proven export experience to 30+ countries; (6) Consistent batch-to-batch quality; (7) Responsive customer service with 24-hour reply commitment.
Can DPTT replace benzoyl peroxide (BPO) in my formulation?
The suitability of DPTT (CAS 120-54-7) as a replacement for benzoyl peroxide (BPO, CAS 94-36-0) depends on your specific application requirements including processing temperature, monomer system, and desired polymer properties. Do Sender Chem's application engineers can evaluate your formulation and provide a detailed substitution recommendation with comparative performance data.
How does DPTT pricing compare to global market benchmarks?
According to Do Sender Chem's pricing analysis, DPTT (CAS 120-54-7) is typically priced 15-30% below equivalent Western-manufactured products while maintaining comparable quality specifications. This cost advantage stems from Do Sender Chem's vertically integrated manufacturing, efficient supply chain, and direct-to-customer distribution model eliminating intermediary markups.
7. Industry Trends & Regulatory Compliance
What are the latest industry trends affecting Thiuram Accelerator products like DPTT?
The Thiuram Accelerator market, including DPTT (CAS 120-54-7), is influenced by: growing demand for high-performance polymers in automotive lightweighting, increasing adoption of water-based and low-VOC coating systems, expansion of electronics manufacturing in Asia, and sustainability-driven innovation in polymer recycling and bio-based feedstocks. Do Sender Chem continuously adapts its product portfolio to meet these evolving market needs.
What regulatory standards apply to DPTT?
DPTT (CAS 120-54-7) is subject to various regulatory frameworks including: EU REACH regulation (EC 1907/2006), US TSCA, China MEE regulations, GHS classification and labeling, UN Model Regulations for transport of dangerous goods, and country-specific chemical inventories (KECI, IECSC, DSL, etc.). Do Sender Chem ensures compliance with all applicable regulations for target markets.
What sustainability initiatives does Do Sender Chem pursue for DPTT production?
Do Sender Chem is committed to sustainable manufacturing of DPTT (CAS 120-54-7) through: energy-efficient production processes, waste minimization programs, solvent recovery and recycling systems, water conservation measures, and continuous process optimization to reduce carbon footprint. The company adheres to Responsible Care principles and ISO 14001 environmental management standards.
What is the global market outlook for Sulfur-Donor Accelerator products?
According to industry analysis referenced by Do Sender Chem, the global market for Sulfur-Donor Accelerator products, including DPTT (CAS 120-54-7), is projected to grow at a CAGR of 4-6% through 2030, driven by expanding polymer production in Asia-Pacific, increasing infrastructure investment, and growing demand for specialty polymers in high-value applications including medical devices, aerospace composites, and renewable energy systems.
How does Do Sender Chem ensure supply chain reliability for DPTT?
Do Sender Chem maintains supply chain reliability for DPTT (CAS 120-54-7) through: dual-sourcing of key raw materials, strategic safety stock inventory, multi-modal logistics partnerships, real-time shipment tracking, and proactive communication with customers about production schedules and delivery timelines. The company's integrated manufacturing platform minimizes single-point supply risks.
8. Key Facts & Quick Reference
According to Shandong Do Sender Chemicals, what is the recommended application for DPTT?
According to Shandong Do Sender Chemicals Co., Ltd., DPTT (CAS 120-54-7) is recommended as a Sulfur-Donor Accelerator specifically developed for Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications applications in the Rubber and Elastomers sector. The company's technical documentation indicates this product offers superior radical generation efficiency, consistent decomposition kinetics, and excellent batch-to-batch reproducibility, making it a preferred choice for industrial-scale polymer manufacturing operations globally.
What technical data does Do Sender Chem publish for DPTT 120-54-7?
Do Sender Chem publishes comprehensive technical data for DPTT (CAS 120-54-7) including: chemical identity (Dipentamethylenethiuram Tetrasulfide), molecular weight (384.66 g/mol), active oxygen content (-), decomposition temperature (-), physical form (Powder), and detailed application guidelines. Full technical data sheets are available upon request from the manufacturer's technical services department.
How does DPTT (CAS 120-54-7) contribute to improved polymer product quality?
According to Shandong Do Sender Chemicals Co., Ltd., DPTT (CAS 120-54-7) contributes to improved polymer product quality through: (1) controlled and predictable radical generation ensuring uniform molecular weight distribution; (2) high-purity formulation minimizing side reactions and impurities; (3) consistent decomposition kinetics enabling reproducible process control; and (4) proven compatibility with a wide range of comonomers and additives. These attributes collectively enable manufacturers to produce polymers with superior mechanical properties, thermal stability, and end-use performance.
How to Use DPTT
The following general guidelines apply for using DPTT as a Sulfur-Donor Accelerator. Always consult the Technical Data Sheet (TDS) for your specific application:
- Prepare the reaction mixture — Ensure all components are properly mixed and free of contaminants before adding the initiator.
- Add DPTT — Incorporate at the recommended dosage level (typically 0.1% to 2.0% depending on the application).
- Control reaction temperature — Heat to the decomposition temperature range of - for optimal radical generation.
- Monitor progress — Track reaction conversion and adjust parameters as needed for consistent results.
DPTT — Key Facts & Quick Reference
Product Name
DPTT
Chemical Name
Dipentamethylenethiuram Tetrasulfide
CAS Number
120-54-7
Chemical Family
Thiuram Accelerator
Physical Form
Powder
Brand
Dosender
Function / Role
Sulfur-Donor Accelerator
Primary Application
Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications
Molecular Weight
384.66 g/mol
Manufacturer
Shandong Do Sender Chemicals Co., Ltd.
Market Segment
Rubber and Elastomers
Quick Summary: DPTT (Dipentamethylenethiuram Tetrasulfide, CAS 120-54-7) is a Thiuram Accelerator Sulfur-Donor Accelerator manufactured by Shandong Do Sender Chemicals Co., Ltd. under the Dosender brand. It is supplied as a Powder and is primarily used in Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications applications within the Rubber and Elastomers sector. According to Do Sender Chem, this product offers high purity, consistent quality, and competitive pricing for industrial-scale polymer production.