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158992

Methyl p-toluenesulfonate

Name: Methyl <I>p</I>-toluenesulfonate
Brand: ALDRICH

98%

Synonym(s):

Methyl p-methylbenzenesulfonate, Methyl toluene-4-sulfonate, Methyl tosylate, Methylp-tosylate

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About This Item

Linear Formula:

CH₃C₆H₄SO₃CH₃

CAS Number:

80-48-8

Molecular Weight:

186.23

UNSPSC Code:

12352100

NACRES:

NA.22

PubChem Substance ID:

24849783

EC Number:

201-283-5

Beilstein/REAXYS Number:

609209

MDL number:

MFCD00008417

Assay:

98%

Form:

solid

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Properties

vapor density

6.45 (vs air)

Quality Segment

200

vapor pressure

1 mmHg ( 20 °C)

assay

98%

form

solid

autoignition temp.

896 °F

refractive index

n20/D 1.5172 (lit.)

bp

144-145 °C/5 mmHg (lit.)

mp

25-28 °C (lit.)

density

1.234 g/mL at 25 °C (lit.)

functional group

tosylate

storage temp.

2-8°C

SMILES string

COS(=O)(=O)c1ccc(C)cc1

InChI

1S/C8H10O3S/c1-7-3-5-8(6-4-7)12(9,10)11-2/h3-6H,1-2H3

InChI key

VUQUOGPMUUJORT-UHFFFAOYSA-N

Description

General description

Methyl p-toluenesulfonate is sulfonate ester present as potentially genotoxic impurity in drug substances. Kinetics of reactions of methyl p-toluenesulfonate with N,N-dimethylaniline has been investigated. It participates in selective 1-substitution reaction of tetrazole.

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pictograms

GHS05,GHS07

signalword

Danger

hcodes

H302,H314,H317

pcodes

P260 - P272 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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