Formula: HOC(COOH)(CH2COOH)2
Formula Weight: 192.12
CAS No.: 77-92-9
Purity: 99.5-100.5% (based on anhydrous substance)
Anion Traces: oxalate (as oxalic acid): ≤100 mg/kg
Assay: 99.5-100.5% (based on anhydrous substance)
Cation Traces: Ca: ≤200 mg/kg
Expl. Lim.: 8 %, 65°F
Form: grit
Gene Information: human ... SRC
Ign. Residue: ≤0.05% (as SO4)
Impurities: ≤0.5% water (Karl Fischer)
MP: 153-159°C(lit.)
pKa: (1) 3.13, (2) 4.76, (3) 6.4
Quality: anhydrous
Suitability: complies for appearance of solution