Skip to Content
Merck
All Photos(1)

Key Documents

8.08333

Sigma-Aldrich

Methyl-4-toluenesulfonate

for synthesis

Synonym(s):

Methyl-4-toluenesulfonate, p-Toluenesulfonic acid methyl ester

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
4-(CH3)C6H4SO3CH3
CAS Number:
Molecular Weight:
186.23
MDL number:
UNSPSC Code:
12352108
EC Index Number:
201-283-5
NACRES:
NA.22

vapor pressure

0.13 kPa ( 20 °C)

Quality Level

Assay

≥98.0% (GC)

form

solid

potency

341 mg/kg LD50, oral (Rat)

bp

292 °C/1013 hPa

transition temp

flash point 130 °C

density

1.23 g/cm3 at 25 °C

storage temp.

2-30°C

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

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

266.0 °F - closed cup

Flash Point(C)

130 °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