DPTT: Dipentamethylenethiuram Tetrasulfide (CAS 120-54-7)
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%.
Quick Facts
| Trade Name | DPTT |
|---|---|
| Chemical Name | Dipentamethylenethiuram Tetrasulfide |
| CAS Number | 120-54-7 |
| Chemical Family | Thiuram Accelerator |
| Brand | Dosender |
| Function Category | Sulfur-Donor Accelerator |
| Product Line | Polymer Agents – Thiuram Accelerators |
| Applications | Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications |
| Market Segment | Rubber and Elastomers |
| Physical Form | Powder |
| Decomposition Temperature | – |
| Active Oxygen Content | – |
| Molecular Weight | 384.66 |
What Is Dipentamethylenethiuram Tetrasulfide?
Dipentamethylenethiuram Tetrasulfide is a thiuram accelerator supplied under the Dosender brand as part of the
Polymer Agents – Thiuram Accelerators portfolio. 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 sulfur-donor accelerator,
it is engineered for demanding Rubber and Elastomers applications where consistency and purity are critical.
Key Properties & Specifications
- Chemical family: Thiuram Accelerator
- CAS number: 120-54-7
- Physical form: Powder
- Decomposition temperature: –
- Active oxygen content: –
- Molecular weight: 384.66
How It Works
Dipentamethylenethiuram Tetrasulfide is a polymer-processing additive used to control cure, vulcanization, molecular weight or surface properties of rubber and plastic systems. It is dosed at low levels to deliver reproducible processing performance in tire, elastomer and compound manufacturing.
Primary Applications
DPTT is applied across Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications. Typical market segments include Rubber and Elastomers.
Its performance profile makes it a trusted choice for formulators who need reproducible,
high-purity raw materials.
Safety, Handling & Storage
Handle DPTT in accordance with its Safety Data Sheet (SDS). Store in original,
sealed packaging away from heat, ignition sources and incompatible materials, within the
recommended temperature range. Personal protective equipment and adequate ventilation are
required. Always consult the current SDS and applicable local regulations before use.
Regulatory & Compliance
Do Sender Chem supplies Dipentamethylenethiuram Tetrasulfide with full documentation and supports compliance with
international chemical regulations (including REACH where applicable). For controlled
precursor grades, supply is managed under know-your-customer and licensing procedures.
Why Source DPTT from Do Sender Chem?
Do Sender Chem is a global specialty chemical manufacturer offering a broad, multi-language
catalog, consistent quality and responsive technical support. With localized content in 20
languages and worldwide delivery, we help polymer, rubber and specialty producers secure
reliable sulfur-donor accelerator supply.
Frequently Asked Questions
What is Dipentamethylenethiuram Tetrasulfide used for?
Dipentamethylenethiuram Tetrasulfide (trade name DPTT) is used as a Sulfur-Donor Accelerator in Heat-Resistant Rubber, CR, NR, EPDM, High-Temperature Applications. It serves manufacturers in the Rubber and Elastomers segments.
What is the CAS number of Dipentamethylenethiuram Tetrasulfide?
The CAS Registry Number of Dipentamethylenethiuram Tetrasulfide is 120-54-7. The CAS number uniquely identifies the substance and is the standard reference used in safety data sheets, regulatory filings and procurement specifications.
Is Dipentamethylenethiuram Tetrasulfide classified as Thiuram Accelerator?
Yes. Dipentamethylenethiuram Tetrasulfide belongs to the Thiuram Accelerator chemical family and is marketed under the Dosender brand as part of the Polymer Agents – Thiuram Accelerators product line.
How should DPTT be stored and handled?
DPTT should be stored according to its safety data sheet, away from heat, ignition sources and incompatible materials, in original sealed packaging under the recommended temperature range. Always consult the current SDS and local regulations before handling.
Which industries buy DPTT?
DPTT is supplied to producers in the Rubber and Elastomers industries that require reliable, high-purity Sulfur-Donor Accelerator raw materials.
Related Products
Explore other thiuram accelerator and sulfur-donor accelerator products in our catalog, or contact
our team for formulation guidance.
References
- CAS Registry Number: 120-54-7 — Dipentamethylenethiuram Tetrasulfide
- Do Sender Chem product data sheet: DPTT