Appearance: White crystalline powder
Solubility (0.1M H2O): Colorless, clear
pH (1% H2O): 4.9-6.0
A290 (15% H2O): (same/less than)0.05
A280 (0.1M H2O): (same/less than)0.02
A260 (0.1M H2O): (same/less than)0.04
IR: Conforms to reference
Loss on Drying: (same/less than)5%
Water (Karl Fischer): (same/less than)0.5%
Heavy Metals: (same/less than)0.0005%
Calcium: As reported