Dimethyl Sulfate

CAS Number: 77-78-1

Molecular Formula: C2H6O4S

Purity: Dimethyl Sulfate 98% purity

About Dimethyl Sulfate

Dimethyl Sulfate (CAS 77-78-1) is an indispensable powerful methylating agent in the API intermediates market, primarily utilized for the synthesis of complex quaternary ammonium salts, ethers, and esters where high purity fine chemicals (Pharma/API purity 99% | General Industry purity 98%) are critical for achieving h...

Synonyms

dimethyl sulfate
dimethyl sulfate, 3H-labeled
dimethylsulfate
DIMETHYL SULFATE
77-78-1

View all

Dimethyl Sulfate Specifications

CAS Number

77-78-1

Molecular Formula

C2H6O4S

Molecular Weight

126.13 g/mol

IUPAC Name

dimethyl sulfate

Canonical SMILES

COS(=O)(=O)OC

InChI Key

VAYGXNSJCAHWJZ-UHFFFAOYSA-N

InChI

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

HSN No

29202910

CAS Number

77-78-1

Molecular Formula

C2H6O4S

Molecular Weight

126.13 g/mol

IUPAC Name

dimethyl sulfate

Canonical SMILES

COS(=O)(=O)OC

InChI Key

VAYGXNSJCAHWJZ-UHFFFAOYSA-N

InChI

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

HSN No

29202910

melting_point

-25.15 °F (EPA, 1998)

boiling_point

About 370 °F (with decomposition) (EPA, 1998)

solubility

3 % at 64 °F (NIOSH, 2024)

density

1.3283 at 68 °F (EPA, 1998) - Denser than water; will sink

logP

0.16

Molecular Weight

126.13 g/mol

Purity

Dimethyl Sulfate 98% purity

Methylating Agent

A powerful and versatile reagent used in organic synthesis for the methylation of carboxylic acids, alcohols, phenols, amines, and thiols to produce high-value intermediates

Pharmaceutical Intermediate

A critical building block employed in the manufacturing of various drugs and active pharmaceutical ingredients (APIs)

Dye and Pigment Intermediate

A key component used to synthesize specialized dyes and organic pigments by facilitating the formation of complex structures

Surfactant and Fabric Softener Raw Material

A primary reagent used to prepare quaternary ammonium salts, which serve as essential active ingredients in household and commercial fabric softeners

Agrochemical Intermediate

A functionalized chemical used as a precursor in the production of agricultural chemicals and crop protection products

Laboratory Reagent

A high-purity chemical used in molecular biology and genomics research for DNA sequencing, RNA secondary structure determination, and analyzing protein-DNA interactions.