MilliporeSigma
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165956

Sigma-Aldrich

Methyl benzenesulfonate

98%

All Photos(3)
Synonym(s):
Benzenesulfonic acid methyl ester, Benzenesulfonic acid, methyl ester, Methyl benzenesulphonate, Methyl besylate, methyl ester of benzenesulphonic acid
Empirical Formula (Hill Notation):
C7H8O3S
CAS Number:
80-18-2
Molecular Weight:
172.20
EC Number:
201-256-8
MDL number:
MFCD00014737
PubChem Substance ID:
329751277
NACRES:
NA.22

Quality Level

100

Assay

98%

form

liquid

storage temp.

2-8°C

SMILES string

COS(=O)(=O)c1ccccc1

InChI

1S/C7H8O3S/c1-10-11(8,9)7-5-3-2-4-6-7/h2-6H,1H3

Inchi Key

CZXGXYBOQYQXQD-UHFFFAOYSA-N

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This Item
147281108146108111
Methyl benzenesulfonate 98%

Sigma-Aldrich

165956

Methyl benzenesulfonate

Sodium benzenesulfonate 97%

Sigma-Aldrich

147281

Sodium benzenesulfonate

Benzenesulfonamide ≥98%

Sigma-Aldrich

108146

Benzenesulfonamide

Benzenesulfonyl chloride 96%

Sigma-Aldrich

108111

Benzenesulfonyl chloride

assay

98%

assay

97%

assay

≥98%

assay

96%

form

liquid

form

powder

form

solid

form

-

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

-

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

Application

Methyl benzenesulfonate can be used asa methylation agent:
  • For the C-methylation of perbromothiophene tosynthesize tribromo-methyl thiophene in the presence of butyllithium.
  • In the nickel-catalyzedmethylation of unactivated alkyl halides and acid chlorides to prepare methylatedalkanes and ketones.
It can alsobe used as a reactant in the etherification of sophoridinol derivatives tosynthesize N-substituted sophoridinic methyl ether derivatives.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302 - H314 - H317

Hazard Classifications

Acute Tox. 4 Oral - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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