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L-Alanine

CAS No. : 56-41-7
Molecular formular: C3H7NO2
Molecular weight: 89.09
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Product description
Parameters

L-Alanine

AJI92

USP40

EP6.0

Description

White crystals or crystalline powder

/

White or almost white,crystalline powder or colourless crystals

Solubility

/

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Freely soluble in water,very slightly soluble in alcohol.

Identification

Conforms

Conforms

Conforms

Appearance of solution

/

/

Clarity of solution:5% water solution should be clear

Colour of solution:5% water solution should be not more intensively coloured than reference solution BY6

Assay

99.0%~101.0%

98.5%~101.5%

98.5%~101.5%

pH

5.7~6.7

5.5~7.0

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Transmittance

≥98.0%

/

/

Loss on drying

≤0.20%

≤0.2%

≤0.5%

Residue on ignition

≤0.10%

≤0. 15%

≤0.1%

Chloride

≤0.020%

≤0.05%

≤200ppm

Heavy Metals

≤10ppm

≤15ppm

≤10ppm

Iron

≤10ppm

≤0.003%

≤10ppm

Sulfate

≤0.020%

≤0.03%

≤300ppm

Arsenic

≤1ppm

/

/

Ammonium

≤0.02%

/

≤200ppm

Other amino acids

Conforms

Conforms

/

Pyrogen

Conforms

/

/

Specific Rotation

+14.3°~+15.2°

﹢13.7°~﹢15.1°

+13.5°~+15.5°

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Shijiazhuang Jirong Pharmaceutical Co., Ltd.

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The No.8 of north of Huagong road,Circulation Chemical Industrial Zone,Shijiazhuang,Hebei,China

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