Skip to Content
Merck
CN

Key Documents

View All Documentation

41610

Dimethyl sulfate

≥99.0% (GC), liquid, puriss. p.a.

Synonym(s):

Sulfuric acid dimethyl ester

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
(CH3O)2SO2
CAS Number:
77-78-1
Molecular Weight:
126.13
NACRES:
NA.21
PubChem Substance ID:
57650074
UNSPSC Code:
12352100
EC Number:
201-058-1
MDL number:
MFCD00008416
Beilstein/REAXYS Number:
635994
Assay:
≥99.0% (GC)
Form:
liquid
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Dimethyl sulfate, puriss. p.a., ≥99.0% (GC)

vapor density

4.3 (vs air)

Quality Level

200

vapor pressure

0.7 mmHg ( 25 °C)

grade

puriss. p.a.

assay

≥99.0% (GC)

form

liquid

autoignition temp.

923 °F

impurities

≤0.4% free acid (as H2SO4)

ign. residue

≤0.02%

refractive index

n20/D 1.386 (lit.), n20/D 1.387

bp

188 °C (lit.)

mp

−32 °C (lit.)

solubility

ethanol: 0.26 g/mL, clear, colorless, diethyl ether: 1.3 g/5mL, clear, colorless

density

1.333 g/mL at 25 °C (lit.)

cation traces

Ca: ≤5 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤1 mg/kg, K: ≤20 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Na: ≤20 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Zn: ≤1 mg/kg

SMILES string

COS(=O)(=O)OC

InChI

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

InChI key

VAYGXNSJCAHWJZ-UHFFFAOYSA-N

General description

Dimethyl sulfate is the dimethyl ester of sulfuric acid. It undergoes hydrolysis to afford monomethyl sulfate. It is found as contaminant in fly ash and in airborne particulate matter generated during the coal combustion processes.

Still not finding the right product?

Explore all of our products under Dimethyl sulfate

signalword

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

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

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品

This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCH2096
BCCH0646
BCCG8174
BCCF1940
BCCD1237

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

J D McGhee et al.
Proceedings of the National Academy of Sciences of the United States of America, 76(5), 2133-2137 (1979-05-01)
We have measured the effect of the histones in the nucleosome core particle on methylation of purines in nucleosome DNA by dimethyl sulfate. By using 32P terminally labeled nucleosome cores, we have examined the pattern of strand cleavage at methylated
M L Lee et al.
Science (New York, N.Y.), 207(4427), 186-188 (1980-01-11)
Dimethyl sulfate and its hydrolysis product monomethyl sulfate have been found at concentrations as high as 830 parts per million in fly ash and in airborne particulate matter from coal combustion processes. This discovery poses a new environmental problem because
Kwang Sun Ryu et al.
The journal of physical chemistry. B, 111(4), 731-739 (2007-01-26)
The physical properties of polyaniline (PAn) powder, doped by nucleophilic doping of dimethyl sulfate (DMS), were characterized, as well as its electrochemical behaviors, to investigate the possibility of a power source device adopting the PAn-DMS electrodes. It is shown that
View All Related Papers

Global Trade Item Number

SKUGTIN
662860-25G04061837582530
662860-5G04061832734217
41610-6X100ML04061838232038
41610-100ML04061838127358
41610-1L04061838127365
41610-500ML04061838127372