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27218 Sigma-Aldrich

Acetic acid

puriss., ≥80%

Synonym: Glacial acetic acid

  • CAS Number 64-19-7

  • Linear Formula CH3CO2H

  • Molecular Weight 60.05

  •  Beilstein Registry Number 506007

  •  MDL number MFCD00036152

  •  PubChem Substance ID 24856457

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Properties

Related Categories Acetic Acid, Acids, Acids & Bases, Chemical Synthesis, Essential Chemicals,
vapor density   2.07 (vs air)
InChI Key   QTBSBXVTEAMEQO-UHFFFAOYSA-N
grade   puriss.
assay   ≥80%
autoignition temp.   800 °F
expl. lim.   16 %, 92 °F
  4 %, 59 °F
refractive index   n20/D 1.371(lit.)
bp   117-118 °C(lit.)
mp   16.2 °C(lit.)
density   1.049 g/mL at 25 °C(lit.)

Description

Application

Acetic acid is widely employed as solvent for various oxidation reactions. It has been used in the analysis of synthetic peptides by electron transfer dissociation (ETD) tandem mass spectrometry (MS/MS). It may be used in the preparation of peroxyacetic acid (disinfectant), via reaction with perhydrol (30% hydrogen peroxide).

General description

Acetic acid is an organic carboxylic acid. It is a hygroscopic liquid having pungent odor. Its anhydrous form is commonly referred as glacial acetic acid. It forms dimers linked by hydrogen bonds in solution and gaseous phases. It is weakly acidic in nature.

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2790B 8 / PGII
WGK Germany 
1
Flash Point(F) 
104 °F
Flash Point(C) 
40 °C
Protocols & Articles

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