27225-M

Acide acétique

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

• Synonyme(s) : Acide acétique glacial
• Formule linéaire : CH₃CO₂H
• Numéro CAS: 64-19-7
• Poids moléculaire : 60.05
• Numéro Beilstein : 506007
• Numéro CE : 200-580-7
• Numéro MDL: MFCD00036152
• Code UNSPSC : 12352106
• ID de substance PubChem : 329752986
• Nomenclature NACRES : NA.21

Propriétés

• Agence: meets purity specifications of USP (identity)
• Niveau de qualité: 100
• Densité de vapeur: 2.07 (vs air)
• Qualité: puriss.; meets analytical specification of Ph. Eur., BP, USP, FCC
• Pureté: 99.8-100.5%
• Température d'inflammation spontanée: 800 °F
• Limite d'explosivité: 16 %, 92 °F; 4 %, 59 °F
• Technique(s): mass spectrometry (MS): suitable
• Impuretés: K₂Cr₂O₇ red. substances, complies; residual solvents, complies; ≤0.0002% heavy metals (as Pb); ≤0.01% KMnO₄ red. matter (as HCOOH)
• Résidus d'évap.: ≤0.005%
• Indice de réfraction: n20/D 1.371 (lit.)
• Point d'ébullition: 117-118 °C (lit.)
• Pf: 16.2 °C (lit.)
• Température de transition: freezing point ≥15.6 °C
• Densité: 1.04 g/mL at 25 °C (lit.)
• Traces d'anions: chloride (Cl^-): ≤0.0002%; sulfate (SO₄^2-): ≤0.0005%
• Traces de cations: Al: ≤0.00005%; Cu: ≤0.0005%; Fe: ≤0.0002%; Pb: ≤0.00005%; Zn: ≤0.0005%
• Adéquation: corresponds for appearance
• Chaîne SMILES: [F2C(F2C)13F3C]C(O)=O
• InChI: 1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
• Clé InChI: QTBSBXVTEAMEQO-UHFFFAOYSA-N

Description

Description générale

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).

Informations sur la sécurité

• Pictogrammes: GHS02,GHS05
• Mention d'avertissement: Danger
• Mentions de danger: H226,H314
• Conseils de prudence: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Classification des risques: Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
• Code de la classe de stockage: 3 - Flammable liquids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): 104.0 °F - closed cup
• Point d'éclair (°C): 40 °C - closed cup