27225

Essigsäure

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

• Synonym(e): Glacial acetic acid
• Lineare Formel: CH₃CO₂H
• CAS-Nummer: 64-19-7
• Molekulargewicht: 60.05
• Beilstein: 506007
• EG-Nummer: 200-580-7
• MDL-Nummer: MFCD00036152
• UNSPSC-Code: 12352106
• PubChem Substanz-ID: 329752986
• NACRES: NA.21

Eigenschaften

• Agentur: meets purity specifications of USP (identity)
• Qualitätsniveau: 200
• Dampfdichte: 2.07 (vs air)
• Qualität: puriss.; meets analytical specification of Ph. Eur., BP, USP, FCC
• Assay: 99.8-100.5%
• Form: liquid
• Selbstzündungstemp.: 800 °F
• Expl.-Gr.: 16 %, 92 °F; 4 %, 59 °F
• Methode(n): mass spectrometry (MS): suitable
• Verunreinigungen: 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)
• Brechungsindex: n20/D 1.371 (lit.)
• pH-Wert: 2.5 (20 °C, 50 g/L)
• bp: 117-118 °C (lit.)
• mp (Schmelzpunkt): 16.2 °C (lit.)
• Übergangstemp.: freezing point ≥15.6 °C
• Dichte: 1.04 g/mL at 25 °C (lit.)
• Anionenspuren: chloride (Cl^-): ≤2 mg/kg; sulfate (SO₄^2-): ≤5 mg/kg
• Kationenspuren: Al: ≤0.5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤2 mg/kg; Pb: ≤0.5 mg/kg; Zn: ≤5 mg/kg
• Eignung: corresponds for appearance
• SMILES String: [F2C(F2C)13F3C]C(O)=O
• InChI: 1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
• InChIKey: QTBSBXVTEAMEQO-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

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.

Anwendung

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).

Sonstige Hinweise

The article number 27225-4X2.5L-M will be discontinued. Please order the single bottle 27225-2.5L-M which is physically identical with the same exact specifications.
The article number 27225-4X2.5L-R will be discontinued. Please order the single bottle 27225-2.5L-R which is physically identical with the same exact specifications.
The article number 27225-6X1L-M will be discontinued. Please order the single bottle 27225-1L-M which is physically identical with the same exact specifications.
The article number 27225-6X1L-R will be discontinued. Please order the single bottle 27225-1L-R which is physically identical with the same exact specifications.

Sicherheitshinweise

• Piktogramme: GHS02,GHS05
• Signalwort: Danger
• H-Sätze: H226,H314
• P-Sätze: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 1
• Flammpunkt (°F): 102.2 °F - closed cup
• Flammpunkt (°C): 39 °C - closed cup