Skip to Content
Merck
All Photos(1)

Key Documents

803071

Sigma-Aldrich

Dimethyl sulfate

for synthesis

Synonym(s):

Dimethyl sulfate, Sulfuric acid dimethyl ester

Sign Into View Organizational & Contract Pricing


About This Item

CAS Number:
Molecular Weight:
126.13
MDL number:
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)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service