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Merck

186260

Ethanesulfonic acid

95%

Synonym(s):

1-Ethanesulfonic acid, Ethylsulfonic acid

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About This Item

Linear Formula:
CH3CH2SO3H
CAS Number:
594-45-6
Molecular Weight:
110.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24851210
EC Number:
209-843-0
Beilstein/REAXYS Number:
1743071
MDL number:
MFCD00007529

Key Documents

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Product Name

Ethanesulfonic acid, 95%

Quality Level

200

InChI key

CCIVGXIOQKPBKL-UHFFFAOYSA-N

InChI

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

SMILES string

O=S(O)(CC)=O

assay

95%

refractive index

n20/D 1.434 (lit.)

bp

123 °C/0.01 mmHg (lit.)

mp

−17 °C (lit.)

solubility

water: soluble

density

1.35 g/mL at 25 °C (lit.)

functional group

sulfonic acid

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Application

Ethanesulfonic acid is used as an esterification catalyst in the pre-treatment of ACPO (acidic crude palm oil) to produce biodiesel.

General description

Ethanesulfonic acid participates in electrolytic reduction of perrhenate solutions.

Ethanesulfonic acid is a sulfonic acid, commonly used as a catalyst for alkylation and polymerization reactions.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H314

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCCF9325
BCCD4899
BCCB7854
BCCB6176
BCCB0758

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Electrolytic Reduction of Perrhenate. I. Studies in Perchloric, Ethanesulfonic, Trifluoroacetic and Hydrochloric Acids.
Hindman JC and Wehner P.
Journal of the American Chemical Society, 75(12), 2869-2872 (1953)
The Action of Sulfuric Acid, Ethanesulfonic Acid and Chlorosulfonic Acid on Aliphatic Hydrocarbons
Gordon GS and Burwell RL
Journal of the American Chemical Society, 71(7), 2355-2359 (1949)
Advanced fuel cell catalysts: sulfonation of carbon-supported catalysts using 2-aminoethanesulfonic acid
Xu Z, et al.
Electrochemical and Solid-State Letters, 6(9), A171-A171 (2003)
Anne N Reid et al.
Applied and environmental microbiology, 74(5), 1583-1597 (2008-01-15)
Campylobacter jejuni causes food- and waterborne gastroenteritis, and as such it must survive passage through the stomach in order to reach the gastrointestinal tract. While little is known about how C. jejuni survives transit through the stomach, its low infectious
Anne N Reid et al.
Applied and environmental microbiology, 74(5), 1598-1612 (2008-01-15)
In order to cause disease, the food- and waterborne pathogen Campylobacter jejuni must face the extreme acidity of the host stomach as well as cope with pH fluctuations in the intestine. In the present study, C. jejuni NCTC 11168 was
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