Dimethyl sulfate CAS No. 77-78-1 (chemical formula: (CH3O)2SO2) is an odorless, corrosive, oily liquid Organic Salt which can release toxic fumes during heating. It can be synthesized through the esterification of sulfuric acid with methanol, and alternatively by the distillation of methyl hydrogen sulfate. Wuhan Ruisunny Chemical Co., Ltd has been focusing on trading of such chemicals as Calcium Hypochlorite, Trichloroisocyanuric Acid, Ammonium Bicarbonate, Sodium Hydroxide, Hydrogen Peroxide and Silane etc. since 2007. We hereby have following details for the product as:
1) Basic information for the good quality dimethyl sulfate Cas No.: 77-78-1
Product name: dimethyl sulfate
Alias: DIMETHYL SULFATE MOLECULAR BIOLOGY*REAGENT; DIMETHYL SULFATE [FOR ACETAMIPRID]; Dimethyl sulfate (chemical production); DIMETHYL SULFATE,REAGENT;
CAS No.: 77-78-1
EINECS: 201-058-1
Molecular Formula (MF): C2H6O4S
Molecular Weight (MW): 126.13
2) Physical and chemical properties
Appearance: Clear oily liquid
Specific density: 1.333 g/ml;
Boiling point: 188 Celsius degree;
Product specification: 98.5% min
Packing: 200kg drum; or as requested.
Storage
work with dimethyl sulphate CAS No. 77-78-1 should be conducted in a fume hood to prevent exposure by inhalation, and appropriate impermeable gloves and safety goggles should be worn at all times to prevent skin and eye contact.
Stability
Stable; combustible. Incompatible with strong oxidizing agents, strong bases including ammonia. Moisture-sensitive.
3) Notice on Safety information:
Danger Class: 6; 8;
Risk Statements: R25;R26;R34;R43;R45;R68
Safety Statements: S45;S53
UN NO. Under IMDG: 1595
Packing Group: I
Toxicity: LD50 orally in rats: 440 mg/kg (Smyth)
Safety Profile
Low toxicity by intravenous route. When heated to decomposition it emits acrid smoke and irritating fumes
4) Application/Dimethyl sulfate uses:
Dimethyl sulfate is an important organic intermediate, mainly used as a methylation reagent in pesticide production, the introduction of methyl in the molecule, the use of a wide range of uses, such as fungicide cream urea cyanide, fumemethadine, Tian An, insecticide methamidophos, acetyl methamidophos, methylthion, betathion, anti-aphid, herbicicides zephyllus, isopropyl net, paraquat, cyclosine, dicamba, pyrazysulfuron and so on. Dimethyl sulfate is a methylating agent widely used in organic synthesis such as pesticides, dyes, medicine, and fragrance industry.