AX1222

Ammonium Acetate

HPLC, Meets ACS Specifications

• Synonym(s): Ammonium Acetate, buffers
• Empirical Formula (Hill Notation): C₂H₇NO₂
• CAS Number: 631-61-8
• Molecular Weight: 77.08
• MDL number: MFCD00013066
• UNSPSC Code: 12352107
• EC Index Number: 211-162-9

Properties

• Quality Level: 200
• assay: ≥98.0%
• form: crystals
• technique(s): HPLC: suitable
• impurities: ≤0.005% Insoluble matter
• ign. residue: ≤0.01%
• pH: 6.7-7.3 (25 °C, 50 g/L in H₂O)
• mp: 114 °C
• solubility: 1480 g/L
• anion traces: chloride (Cl^-): ≤5 ppm; nitrate (NO₃^-): ≤0.001%; sulfate (SO₄^2-): ≤0.001%
• cation traces: 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
• shipped in: ambient
• storage temp.: 2-8°C
• InChI: 1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3
• InChI key: USFZMSVCRYTOJT-UHFFFAOYSA-N

Description

Application

HPLC, Meets ACS Specifications

Analysis Note

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

Safety Information

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