AIP is white small lump or powder, semi- transparent,and soluble in alcohol, isopropyl alcohol, benzene, toluene, chloroform andcarbon tetrachloride. Its density is 1.035g/cm3. Tends to absorb moisture andreacts with water into aluminium hydroxide and isopropanol.
Certification ofAnalysis
Item | Specification |
Specific rotation | +39.5 to +41.5° |
State of solution(transmittance) | Clear 98.0% min. |
Chloride[cl] | 0.020% max. |
Ammonium [NH4] | 0.02% max. |
Sulfate[SO4] | 0.020% max |
Iron[Fe] | 10ppm max. |
Heavy metals [Pb] | 10ppm max |
Arsenic[As2O3] | 1ppm max |
Other amino acids | Chromatographically not detectable |
Loss on drying | 0.20% max. |
Residue on ignition[sulfated] | 0.10% max. |
Assay | 99.0% min |
