English name: Dimethyl sulfate
CAS number: 77-78-1
Molecular formula: C2H6O4S
Molecular weight: 126.13
EINECS number: 201-058-1
MDL No. : MFCD00008416
Stats
Melting point -32 °C
Boiling point 188 °C(lit.)
Density 1.333 g/mL at 25 °C(lit.)
Vapor density 4.3 (vs air)
Vapor pressure 0.7 mm Hg (25 °C)
Refractive index n20/D 1.386(lit.)
Flash point 182 °F
Storage conditions 2-8°C
ethanol solubility: 0.26g /mL, clear, colorless
Liquid form
The color is Clear colorless
The Odor was Almost odorless
Water solubility 2.8g /100 mL (18 ºC)
Merck13, 3282
BRN635994
Exposure limit TLV/PEL-TWA skin 0.1 ppm (0.52 mg/m3) (ACGIH, OSHA, NIOSH) IDLH 10 ppm (NIOSH).
Stable; Stable; combustible. Incompatible with strong oxidizing agents, strong bases including ammonia. Moisture-sensitive.
Safety information
hazard symbol (GHS)GHS hazard pictogramsGHS hazard pictogramsGHS Hazard pictogramgrams
GHS05,GHS06,GHS08
Danger
Hazard Description H301-H314-H317-H330-H341-H350
Precautions P202-P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Dangerous goods mark T+
Hazard category code 45-25-26-34-43-68
Safety Note 53-45-61
Dangerous Goods Transport Code UN 1595 6.1/PG 1
WGK Germany2
RTECS number WS8225000
F21
Spontaneous combustion temperature 495 °C
Hazard Level 6.1(a)
Packaging Category I
Customs Code 29209090
LD50 orally in rats: 440 mg/kg (Smyth)
Immediate threat to life and health concentrations of 7 ppm
China
