186260

Ethanesulfonic acid

95%

• Synonym(s): 1-Ethanesulfonic acid, Ethylsulfonic acid
• 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

Properties

• 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

Description

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.

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H302,H314
• Precautionary Statements: P270 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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