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