Skip to Content
Merck
All Photos(1)

Key Documents

8.20016

Sigma-Aldrich

Ethanesulfonic acid

for synthesis

Synonym(s):

Ethanesulfonic acid

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C2H6O3S
CAS Number:
594-45-6
Molecular Weight:
110.13
MDL number:
MFCD00007529
UNSPSC Code:
12352106
EC Index Number:
209-843-0
NACRES:
NA.22

Quality Level

200

Assay

≥98.0% (acidimetric)

form

liquid

bp

136-140 °C/3 hPa

mp

-17 °C

density

1.34 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)/p-1

InChI key

CCIVGXIOQKPBKL-UHFFFAOYSA-M

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Density (d 20 °C/ 4 °C): 1.340 - 1.345

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302 - H314

Hazard Classifications

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

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °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