Synonyms: Sulfuric acid dimethyl ester
CAS Number: 77-78-1
Formula: C2H6O4S
Formula Weight: 126.13
Linear Formula: (CH3O)2SO2
MDL No.: MFCD00008416
Purity: >=99.8%
Boiling Point: 188 C(lit.)
Melting Point: -32 C (lit.)
Density: 1.333 g/mL at 25 C(lit.)
Refractive Index: n20/D 1.386(lit.)
Beilstein Registry Number: 635994
EC Number: 201-058-1
UNSPSC Code: 12352100
Application: Dimethyl sulfate may be used along with alumina for preparation of monomethylated derivatives of alcohols, phenols and carboxylic acids. It may also be used in combination with dimethylformamide (DMF) to form methoxy-methylene-N,N-dimethyliminium salt, that can be utilized for the preparation of β-lactams.
RTECS: WS8225000
RIDADR: UN1595 - class 6.1 - PG 1 - Dimethyl sulphate
WGK Germany: 3
Flash Point(F): 181.4 F
Flash Point(C): 83 C
R Codes: 45-25-26-34-43-68
S Codes: 53-45-61
IOD Codes: T+
Symbol: GHS05, GHS06, GHS08
Signal Word: Danger
Hazard Statements: H301-H314-H317-H330-H341-H350
Precautionary statements: P201-P260-P280-P301 + P310 + P330-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P308 + P313-P403 + P233