695092

Acetic acid

glacial, ACS reagent, ≥99.7%

• Synonym(s): Glacial acetic acid
• Linear Formula: CH₃CO₂H
• CAS Number: 64-19-7
• Molecular Weight: 60.05
• Beilstein/REAXYS Number: 506007
• EC Number: 200-580-7
• MDL number: MFCD00036152
• UNSPSC Code: 12352106
• PubChem Substance ID: 329761715
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 200
• vapor density: 2.07 (vs air)
• vapor pressure: 11.4 mmHg ( 20 °C)
• assay: ≥99.7%
• form: liquid
• autoignition temp.: 800 °F
• expl. lim.: 16 %, 92 °F; 4 %, 59 °F
• technique(s): mass spectrometry (MS): suitable
• impurities: Cr₂O₇^2- reducers, passes test; MnO₄^- reducers, passes test; ≤0.0004 meq/g Titr. base; ≤0.01% acetic anhydride
• evapn. residue: ≤0.001%
• color: APHA: ≤10
• refractive index: n20/D 1.371 (lit.)
• pH: 2.5 (20 °C, 50 g/L)
• bp: 117-118 °C (lit.)
• mp: 16.2 °C (lit.)
• density: 1.04 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤1 ppm; sulfate (SO₄^2-): ≤1 ppm
• cation traces: Fe: ≤0.2 ppm; heavy metals: ≤0.5 ppm (by ICP)
• SMILES string: [F2C(F2C)13F3C]C(O)=O
• InChI: 1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
• InChI key: QTBSBXVTEAMEQO-UHFFFAOYSA-N

Description

General description

Acetic acid is an organic carboxylic acid. It is a pungent smelling hygroscopic liquid. Glacial acetic acid is the anhydrous acetic acid. It forms dimers linked by hydrogen bonds in solution and gaseous commonly referred as 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).

Other Notes

4L and 4X4L are packaged in poly bottles

Safety Information

• pictograms: GHS02,GHS05
• signalword: Danger
• hcodes: H226,H314
• pcodes: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 102.2 °F - closed cup
• flash_point_c: 39 °C - closed cup