Appearance?light?yellow?crystals?flake
Purity%?≥?99%
Cl??ppm?≤?30
Sulphur??ppm?≤?5
Fe??ppm?≤?3
Benzene?insolubles%?≤0.02
Melting?Point?≥107.3
Moisture?≤?0.1%
Acidity?≤0.2mg?KOH/g