Skip to Content
Merck
CN

186260

Ethanesulfonic acid

95%

Synonym(s):

1-Ethanesulfonic acid, Ethylsulfonic acid

Sign In to View Organizational & Contract Pricing.

Select a Size

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

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

Ethanesulfonic acid, 95%

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

Quality Level

200

Looking for similar products? Visit Product Comparison Guide

Related Categories

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCM9197
BCCL0051
BCCF9325
BCCL8342
BCCD4899

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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)
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)
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