Items

Specification

Appearance:

White crystalline powder

Smell:

Characteristic

Identification (IR):

Complies

Loss on drying:

Not more than 1%

Residue on ignition:

Not more than 0.1%

Heavy metals (Pb):

Not more than 10ppm

Arsenic( As):

Not more than 2ppm

Specific rotation:

+20.0 to +22.0

Melting point:

250-265 Celsius degree

PH value:

7.5-8.5 (in 2% water)

L-histidine (TLC):

Not more than 1.0%

Beta-alanine (TLC):

Not more than 0.1%

Assay:

99.0-101.0%

Mold and yeast:

E. Coli:

Salmonella:

Hydrazine Content:

Not more than 300/g

Negative

Negative

Not detected

Particle size:

100% pass 100mesh sieve