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Key Documents

803071

Sigma-Aldrich

Dimethyl sulfate

for synthesis

Synonym(s):

Dimethyl sulfate, Sulfuric acid dimethyl ester

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About This Item

CAS Number:
77-78-1
Molecular Weight:
126.13
MDL number:
MFCD00008416
EC Index Number:
201-058-1

vapor pressure

0.35 hPa ( 20 °C)

Assay

≥99% (GC)

form

liquid

autoignition temp.

450 °C

potency

106.4 mg/kg LD50, oral (Rat)

expl. lim.

3.6-23.2 % (v/v)

bp

188.5 °C/1013 hPa (decomposition)

mp

-31.8 °C

transition temp

flash point 83 °C

solubility

28 g/L (Hydrolysis)

density

1.33 g/cm3 at 20 °C

InChI

1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3

InChI key

VAYGXNSJCAHWJZ-UHFFFAOYSA-N

General description

for synthesis

Application

Dimethyl sulfate for synthesis. CAS 77-78-1, chemical formula (CH₃O)₂SO₂.

Analysis Note

Assay (GC, area%)≥ 99,0 Area %Density (d 20 °C/ 4 °C)1,325 - 1,327Identity (IR)conforms

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

181.4 °F - closed cup

Flash Point(C)

83 °C - closed cup

Certificates of Analysis (COA)

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