Tetramethylthiuram disulfide
Tetramethylthiuram disulfide (CAS: 137-26-8) is a sulfur-containing organic compound with the linear formula (CH3)2NCSS2CSN(CH3)2 and a molecular weight of 240.43 g/mol. This chemical is primarily recognised for its role as a vulcanization accelerator in the rubber industry and as a fungicide in agriculture. Tech Serve Solutions supplies this compound at a purity of 97%.
- IUPAC
- Bis(dimethylthiocarbamoyl) disulfide,Bis(dimethylthiocarbamyl) disulfide,Thiram
- Synonyms
- ThiramBis(dimethylthiocarbamoyl) disulfideBis(dimethylthiocarbamyl) disulfide
Rubber Vulcanization Accelerator
Tetramethylthiuram disulfide serves as a crucial accelerator in the vulcanization process of rubber, improving its elasticity, strength, and durability. It is particularly effective in fast-curing systems.
Fungicide and Agricultural Agent
Historically used as a broad-spectrum fungicide, it protects crops from various fungal diseases. Its application helps in preserving agricultural yields and maintaining plant health.
Chemical Synthesis Intermediate
As a sulfur-containing building block, it is employed in organic synthesis for the preparation of various complex molecules and novel chemical entities.
| Molecular weight | 240.43 |
|---|---|
| Linear formula | (CH3)2NCSS2CSN(CH3)2 |
| Assay | 97% |
| Autoignition temp | 316 °F |
| Melting point | 156-158 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 150 °C / 302 °F |
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 20/22-36/38-43-48/22-50/53 |
| Safety statements (S) | 26-36/37-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Tetramethylthiuram disulfide (CAS 137-26-8) used for?
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Tetramethylthiuram disulfide (CAS 137-26-8) is primarily used as a vulcanization accelerator in the rubber industry and historically as a fungicide in agriculture. It also serves as an intermediate in chemical synthesis.
What is the CAS number and chemical formula for Tetramethylthiuram disulfide?
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The CAS number for Tetramethylthiuram disulfide is 137-26-8, and its linear formula is (CH3)2NCSS2CSN(CH3)2.
What grade and purity does Tech Serve Solutions supply for Tetramethylthiuram disulfide?
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Tech Serve Solutions supplies Tetramethylthiuram disulfide with an assay of 97%. This is typically considered a technical or research grade. TSS does not represent this product as USP, BP, or EP grade.
What are the primary safety concerns when handling Tetramethylthiuram disulfide?
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Tetramethylthiuram disulfide is classified with GHS symbols GHS07, GHS08, and GHS09, with a signal word of Warning. It carries hazard statements including H302 + H332 (Harmful if swallowed or inhaled), H315 (Causes skin irritation), H317 (May cause an allergic skin reaction), H319 (Causes serious eye irritation), H373 (May cause damage to organs through prolonged or repeated exposure), and H410 (Very toxic to aquatic life with long lasting effects). Appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, faceshields, and gloves should be used.
How is Tetramethylthiuram disulfide packed and shipped?
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Tech Serve Solutions exports chemicals globally, adhering to international shipping regulations. Specific packaging details for Tetramethylthiuram disulfide will be provided upon inquiry, ensuring safe transport.
How can I request a quote or sample for Tetramethylthiuram disulfide?
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To request a quote or a sample of Tetramethylthiuram disulfide, please contact our sales team through the website or by phone. Provide your specific requirements and shipping details.
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