TMTD: Tetramethylthiuram Disulfide (CAS 137-26-8)
Primary/secondary rubber vulcanization accelerator and sulfur donor. Widely used in natural rubber, SBR, NBR, and CR systems. Also employed as a fungicide and bactericide. White powder with purity >=98.0%.
Quick Facts
| Trade Name | TMTD |
|---|---|
| Chemical Name | Tetramethylthiuram Disulfide |
| CAS Number | 137-26-8 |
| Chemical Family | Thiuram Accelerator |
| Brand | Dosender |
| Function Category | Vulcanization Accelerator |
| Product Line | Polymer Agents – Thiuram Accelerators |
| Applications | Rubber Vulcanization, Natural Rubber, SBR, NBR, CR |
| Market Segment | Rubber and Elastomers |
| Physical Form | Powder |
| Decomposition Temperature | – |
| Active Oxygen Content | – |
| Molecular Weight | 240.43 |
What Is Tetramethylthiuram Disulfide?
Tetramethylthiuram Disulfide is a thiuram accelerator supplied under the Dosender brand as part of the
Polymer Agents – Thiuram Accelerators portfolio. Primary/secondary rubber vulcanization accelerator and sulfur donor. Widely used in natural rubber, SBR, NBR, and CR systems. Also employed as a fungicide and bactericide. White powder with purity >=98.0%. As a vulcanization 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: 137-26-8
- Physical form: Powder
- Decomposition temperature: –
- Active oxygen content: –
- Molecular weight: 240.43
How It Works
Tetramethylthiuram Disulfide 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
TMTD is applied across Rubber Vulcanization, Natural Rubber, SBR, NBR, CR. 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 TMTD 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 Tetramethylthiuram Disulfide 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 TMTD 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 vulcanization accelerator supply.
Frequently Asked Questions
What is Tetramethylthiuram Disulfide used for?
Tetramethylthiuram Disulfide (trade name TMTD) is used as a Vulcanization Accelerator in Rubber Vulcanization, Natural Rubber, SBR, NBR, CR. It serves manufacturers in the Rubber and Elastomers segments.
What is the CAS number of Tetramethylthiuram Disulfide?
The CAS Registry Number of Tetramethylthiuram Disulfide is 137-26-8. The CAS number uniquely identifies the substance and is the standard reference used in safety data sheets, regulatory filings and procurement specifications.
Is Tetramethylthiuram Disulfide classified as Thiuram Accelerator?
Yes. Tetramethylthiuram Disulfide 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 TMTD be stored and handled?
TMTD 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 TMTD?
TMTD is supplied to producers in the Rubber and Elastomers industries that require reliable, high-purity Vulcanization Accelerator raw materials.
Related Products
Explore other thiuram accelerator and vulcanization accelerator products in our catalog, or contact
our team for formulation guidance.
References
- CAS Registry Number: 137-26-8 — Tetramethylthiuram Disulfide
- Do Sender Chem product data sheet: TMTD