Skip to Content
Merck
CN
All Photos(1)

Documents

186260

Sigma-Aldrich

Ethanesulfonic acid

95%

Synonym(s):

1-Ethanesulfonic acid, Ethylsulfonic acid

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

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

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.)

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

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

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

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

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)
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)
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
Adeeb Hayyan et al.
Bioresource technology, 102(20), 9564-9570 (2011-08-23)
An industrial grade acidic crude palm oil (ACPO) pre-treatment process was carried out using ethanesulfonic acid (ESA) as a catalyst in the esterification reaction. ESA was used in different dosages to reduce free fatty acid (FFA) to a minimum level
View All Related Papers

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