AX1222

Ammonium Acetate

HPLC, Meets ACS Specifications

• Synonym(e): buffers
• Empirische Formel (Hill-System): C₂H₇NO₂
• CAS-Nummer: 631-61-8
• Molekulargewicht: 77.08
• MDL-Nummer: MFCD00013066
• UNSPSC-Code: 12352107
• EG-Index-Nummer: 211-162-9

Eigenschaften

• Qualitätsniveau: 200
• Assay: ≥98.0%
• Form: crystals
• Methode(n): HPLC: suitable
• Verunreinigungen: ≤0.005% Insoluble matter
• Glührückstand: ≤0.01%
• pH-Wert: 6.7-7.3 (25 °C, 50 g/L in H₂O)
• mp (Schmelzpunkt): 114 °C
• Löslichkeit: 1480 g/L
• Anionenspuren: chloride (Cl^-): ≤5 ppm; nitrate (NO₃^-): ≤0.001%; sulfate (SO₄^2-): ≤0.001%
• Kationenspuren: Fe: ≤5 ppm; heavy metals (as Pb): ≤5 ppm
• UV-Absorption: λ: 254 nm A_max: ≤0.02; λ: 280 nm A_max: ≤0.01; λ: 350 nm A_max: ≤0.01
• Versandbedingung: ambient
• Lagertemp.: 2-8°C
• InChI: 1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3
• InChIKey: USFZMSVCRYTOJT-UHFFFAOYSA-N

Beschreibung

Anwendung

HPLC, Meets ACS Specifications

Hinweis zur Analyse

Assay98.0% minChloride (Cl)5ppm maxFormWhite crystalsHeavy metals (as Pb)5ppm maxInsoluble matter0.005% maxIron (Fe)5ppm maxNitrate (NO3)0.001% maxResidue after ignition0.01% maxSulfate (SO4)0.001% maxUV Absorbance (1 M, water, 254 nm)0.02AU maxUV Absorbance (1 M, water, 280 nm)0.01AU maxUV Absorbance (1 M, water, 350 nm)0.01AU maxpH of a 5% solution at 25°C6.7-7.3

Sicherheitshinweise

• Lagerklassenschlüssel: 10-13 - German Storage Class 10 to 13