Dimethyl sulfate
Dimethyl sulfate (CAS 77-78-1), molecular formula (CH3O)2SO2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- Sulfuric acid dimethyl ester
| Molecular weight | 126.13 |
|---|---|
| Linear formula | (CH3O)2SO2 |
| Assay | ≥99.8% |
| Grade | puriss. p.a. |
| Boiling point | 188 °C(lit.) |
| Density | 1.333 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.386(lit.) |
| Melting point | −32 °C(lit.) |
| Vapour pressure | 0.7 mmHg (25 °C) |
| Vapour density | 4.3 (vs air) |
| Autoignition temp | 923 °F |
Hazard statements
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H330Fatal if inhaled
- H341Suspected of causing genetic defects
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 83 °C / 181.4 °F |
| Transport (UN / ADR) | UN 1595 6.1/PG 1 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 45-25-26-34-43-68 |
| Safety statements (S) | 53-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality Level | PREMIUM |
|---|
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 Dimethyl sulfate?
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Dimethyl sulfate (CAS 77-78-1), molecular formula (CH3O)2SO2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Dimethyl sulfate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dimethyl sulfate in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Dimethyl sulfate?
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Dimethyl sulfate has CAS number 77-78-1 and molecular formula (CH3O)2SO2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Dimethyl sulfate?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Dimethyl sulfate ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Dimethyl sulfate be stored?
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Store Dimethyl sulfate in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Dimethyl sulfate used for?
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Dimethyl sulfate is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Dimethyl sulfate?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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