33209-M

Acetic acid

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

• 동의어(들): Glacial acetic acid
• Linear Formula: CH₃CO₂H
• CAS Number: 64-19-7
• Molecular Weight: 60.05
• Beilstein: 506007
• EC Number: 200-580-7
• MDL number: MFCD00036152
• UNSPSC 코드: 12352106
• PubChem Substance ID: 329754470
• NACRES: NA.21

속성

• Grade: ACS reagent
• Quality Level: 100
• Agency: USP/NF; reag. ISO; reag. Ph. Eur.
• vapor density: 2.07 (vs air)
• grade: puriss. p.a.
• 분석: ≥99.8%
• 양식: liquid
• autoignition temp.: 800 °F
• expl. lim.: 16 %, 92 °F; 4 %, 59 °F
• 기술: mass spectrometry (MS): suitable
• 불순물: ≤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)
• 색상: APHA: ≤10
• refractive index: n20/D 1.371 (lit.)
• pH: 2.4 (60.05 g/L)
• bp: 117-118 °C (lit.)
• mp: 16.2 °C (lit.)
• 전이 온도: freezing point ≥16.3 °C
• density: 1.04 g/mL at 25 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤0.5 mg/kg; phosphate (PO₄^3-): ≤0.5 mg/kg; sulfate (SO₄^2-): ≤0.5 mg/kg
• 양이온 미량물: 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
• 적합성: passes test for indifference to chromic acid
• InChI: 1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
• InChI key: QTBSBXVTEAMEQO-UHFFFAOYSA-N

설명

일반 설명

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.[1]

애플리케이션

Acetic acid has been used in the analysis of synthetic peptides by electron transfer dissociation (ETD) tandem mass spectrometry (MS/MS).[2] It may be used in the preparation of peroxyacetic acid (disinfectant), via reaction with perhydrol (30% hydrogen peroxide).[1]

for use as solvent for perchloric acid titration

포장

In PE-bottles; also available Glass-bottles (Material no. ending with *-GL)

안전성 정보

• 픽토그램: GHS02,GHS05
• 신호어: Danger
• 유해 및 위험 성명서: H226,H314
• 예방조치 성명서: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point (°F): 104.0 °F - closed cup
• Flash Point (°C): 40 °C - closed cup