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186260

Sigma-Aldrich

Ethanesulfonic acid

95%

Synonym(s):

1-Ethanesulfonic acid, Ethylsulfonic acid

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About This Item

Linear Formula:
CH3CH2SO3H
CAS Number:
Molecular Weight:
110.13
Beilstein:
1743071
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

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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

Signal Word

Danger

Hazard Statements

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

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’.

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