Glycine

CAS No.:56-40-6

Molecular Formula: ZnO

Molecular Weight: 81.38

CAS Number: 1314-13-2

Properties: This product is white or very yellowish-white sand-free fine powder; Odorless; It can slowly absorb carbon dioxide in the air. This product is insoluble in water or ethanol; Dissolve in dilute acid or sodium hydroxide solution.

Specifications

glycine	CP2020	EP11	USP2023
content	≥ 99.0%	98.5-101.0%	98.5-101.5%
acidity	5.6-6.6	5.9-6.4	/
Specific rotation [a]D²⁰	/	/	/
Specific rotation [a]D²⁵	/	/	/
Light	clear & colorless ≥ 98.0%	/	/
Solution appearance	/	clear & not more intensely coloured than reference solution Y₇	/
chloride	≤0.007%	≤ 75 ppm	≤0.007%
Ammonium salt	≤ 0.02%	≤0.02%
sulfate	≤0.006%	/	≤0.0065%
Iron salts	≤0.001%	/	/
heavy metal	≤10PPM	/	/
Arsenic salts	≤1PPM	/	/
Other amino acids	conform	Impurities B,H,I≤ 0.1% Unspecified impurities≤ 0.1% Total impurities ≤ 0.2%	Glycine anhydride ≤ 0.1% Iminodiacetic acid≤ 0.1% Diglycine≤ 0.1% Triglycine≤ 0.1% Hexamethylenetramine≤ 0.1% Total impurities≤ 1.0%
Ninhydrin active substance	/	Each impurities≤ 0.1% Total impurities≤ 1.0%	/
Loss on drying	≤0.20%	≤0.50%	≤0.20%
Residue of ignition	≤0.10%	≤0.10%	≤0.10%
Total bacteria	≤ 1000 CFU/g	≤ 1000 CFU/g	≤ 1000 CFU/g
Mold & yeast	≤ 100 CFU/g	≤ 100 CFU/g	≤ 100 CFU/g

glycine	USP32	AJI92	FCC5
content	98.5-101.5%	98.5-101.0%	98.5-101.5%
acidity	/	5.9-6.4	/
Specific rotation [a]D²⁰	/	/	/
Specific rotation [a]D²⁵	/	/	/
Light	/	≥98.0%	/
Solution appearance	/	/	/
chloride	≤0.007%	≤0.007%	/
Ammonium salt	≤0.0065%	≤0.006%	/
sulfate	/	≤0.02%	/
Iron salts	/	≤10PPM	/
heavy metal	≤20PPM	≤10PPM	≤5PPM
Arsenic salts	/	≤1PPM	/
Other amino acids	conform	conform	/
Ninhydrin active substance	/	/	/
Loss on drying	≤0.20%	≤0.20%	≤0.20%
Residue of ignition	≤0.10%	≤0.10%	≤0.10%
Total bacteria	≤ 1000 CFU/g	≤ 1000 CFU/g	≤ 1000 CFU/g
Mold & yeast	≤ 100 CFU/g	≤ 100 CFU/g	≤ 100 CFU/g