Description
SPECIFICATIONS
CAS: 56-84-8
Assay: > 99 %
Mol formula: C4H7NO4
Mol weight: 133.11
Specific rotation (D20): +24.8 – +26.7 °
Transmittance (430 nm): > 95 %
pH (0.5%, H2O): 2.5 – 3.5
Chlorides (Cl): ≤ 200 mg/Kg
Sulphates (SO4): ≤ 300 mg/Kg
Ammonium (NH4): ≤ 200 mg/Kg
Iron (Fe): ≤ 10 mg/Kg
Heavy metal (as Pb): ≤ 10 mg/Kg
Arsenic (As): ≤ 0.75 mg/Kg
Loss on drying: ≤ 0.2 %
Residue on ignition: ≤ 0.1 %
Storage: Room temperature
Stability: At least 2 years.