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27225 SAFC

Acetic acid

glacial, puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.8-100.5%

Synonym: Glacial acetic acid

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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   99.8-100.5%
autoignition temp.   800 °F
quality   meets analytical specification of Ph. Eur., BP, USP, FCC
expl. lim.   16 %, 92 °F
  4 %, 59 °F
impurities   K2Cr2O7 red. substances, complies
  residual solvents, complies
  ≤0.0002% heavy metals (as Pb)
  ≤0.005% non-volatile matter
  ≤0.01% KMnO4 red. matter (as HCOOH)
refractive index   n20/D 1.371 (lit.)
bp   117-118 °C (lit.)
mp   16.2 °C (lit.)
transition temp   freezing point ≥15.6 °C
density   1.049 g/mL at 25 °C (lit.)
anion traces   chloride (Cl-): ≤2 mg/kg
  sulfate (SO42-): ≤5 mg/kg
cation traces   Al: ≤0.5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤2 mg/kg
  Pb: ≤0.5 mg/kg
  Zn: ≤5 mg/kg
suitability   corresponds for appearance
  corresponds for identity (USP)

Description

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.

Application

Acetic acid is widely employed as solvent for various oxidation reactions. It may be 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).

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2789PSN1 3(8) / PGII
WGK Germany 
1
RTECS 
AF1225000
Flash Point(F) 
104 °F
Flash Point(C) 
40 °C

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Protocols & Articles

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