Glycine

EP6

AJI92

USP40

Description

White or almost white，crystalline powder

White crystals or crystalline powder

/

Solubility

Freely soluble in water,very slightly soluble in ethanol(96 percent)

/

/

Identification

Conforms

Conforms

Conforms

Appearance of solution

Clarity of solution:10% water solution should be clear

/

/

Colour of solution:10% water solution should be not more intensively coloured than reference solution Y7

Assay

98.5%-101.0%

98.5%-101.5%

98.5%-101.5%

pH

5.9 ～ 6.4

5.9-6.4

/

Transmittance

/

≥98.0%

/

Loss on drying

≤0.5%

≤0.2%

≤0.2%

Residue on ignition

≤0.1%

≤0.1%

≤0.1%

Ninhydrin-positive substances  (TLC)

Conforms

/

/

Chloride

≤75ppm

≤0.007%

≤0.007%

Heavy Metals

≤10ppm

≤0.001%

≤0.002%

Iron

/

≤0.001%

/

Sulfate

/

≤0.006%

≤0.0065%

Arsenic

/

≤0.0001%

/

Ammonium

/

≤0.02%

/

Other amino acids

/

Conforms

/

Pyrogen

/

Conforms

/

Hydrolyzable substances

/

/

/

Clarity of solution

/

/

/

Color

/

/

/