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Merck
CN

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
Beilstein:
1743071
EC Number:
209-843-0
MDL number:
MFCD00007529
UNSPSC Code:
12352100
PubChem Substance ID:
24851210
NACRES:
NA.22

Key Documents

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Quality Level

200

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

SMILES string

O=S(O)(CC)=O

InChI

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

InChI key

CCIVGXIOQKPBKL-UHFFFAOYSA-N

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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.

Application

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

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM9197
BCCL0051
BCCF9325
BCCL8342
BCCD4899

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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)
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)
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)
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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