33209

Essigsäure

glacial, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.8%

• 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: 329754470
• NACRES: NA.21

Eigenschaften

• Qualität: ACS reagent; puriss. p.a.
• Qualitätsniveau: 200
• Agentur: USP/NF; reag. ISO; reag. Ph. Eur.
• Dampfdichte: 2.07 (vs air)
• Assay: ≥99.8%
• Form: liquid
• Selbstzündungstemp.: 800 °F
• Expl.-Gr.: 16 %, 92 °F; 4 %, 59 °F
• Methode(n): mass spectrometry (MS): suitable
• Verunreinigungen: ≤0.0002% acetaldehyde; ≤0.0005% non-volatile matter; ≤0.002% KMnO₄ red. matter (as HCOOH); ≤0.01% acetic anhydride (GC); ≤0.2% water (Karl Fischer)
• Farbe: APHA: ≤10
• 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 ≥16.3 °C
• Dichte: 1.04 g/mL at 25 °C (lit.)
• Anionenspuren: chloride (Cl^-): ≤0.5 mg/kg; phosphate (PO₄^3-): ≤0.5 mg/kg; sulfate (SO₄^2-): ≤0.5 mg/kg
• Kationenspuren: Ag: ≤0.01 mg/kg; Al: ≤0.05 mg/kg; As: ≤0.01 mg/kg; Ba: ≤0.01 mg/kg; Be: ≤0.01 mg/kg; Bi: ≤0.1 mg/kg; Ca: ≤0.2 mg/kg; Cd: ≤0.02 mg/kg; Co: ≤0.01 mg/kg; Cr: ≤0.05 mg/kg; Cu: ≤0.01 mg/kg; Fe: ≤0.2 mg/kg; Ge: ≤0.05 mg/kg; K: ≤0.1 mg/kg; Li: ≤0.01 mg/kg; Mg: ≤0.1 mg/kg; Mn: ≤0.01 mg/kg; Mo: ≤0.02 mg/kg; Na: ≤0.5 mg/kg; Ni: ≤0.05 mg/kg; Pb: ≤0.02 mg/kg; Sr: ≤0.01 mg/kg; Ti: ≤0.01 mg/kg; Tl: ≤0.05 mg/kg; V: ≤0.01 mg/kg; Zn: ≤0.05 mg/kg; Zr: ≤0.1 mg/kg
• SMILES String: [F2C(F2C)13F3C]C(O)=O
• Eignung: passes test for indifference to chromic acid
• Lagertemp.: room temp
• 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 a 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

Wird als Lösungsmittel für Titrationen mit Perchlorsäure verwendet.

Acetic acid 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).

Verpackung

Dieses Produkt ist auch in Glasflaschen erhältlich.

Sonstige Hinweise

The article number 33209-4X2.5L will be discontinued. Please order the single bottle 33209-2.5L which is physically identical with the same exact specifications.
The article number 33209-4X2.5L-M will be discontinued. Please order the single bottle 33209-2.5L-M which is physically identical with the same exact specifications.
The article number 33209-6X1L-M will be discontinued. Please order the single bottle 33209-1L-M 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