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Hebei Huaheng Biological Technology Co., Ltd
Address: No.777 Xinghua South Street,Jizhou City,Hebei Pro.,China Postal Code: 053200
Postal Code: 053200
TEL:0318-8628255
FAX:0318-8628286
E-mail:jizhouhuaheng@163.com
Web site:www.tongshuovalve.com/en

Current position： Products > Amino Acid > L-Proline

L-Proline

Amino Acid

L-Proline

Chemical Name：	H-Pro-OH~(S)-Pyrrolidine-2-carboxylic acid
Structure Formula：
Molecular Formula：	C5H9NO2
Molecular Weight：	115.13
Cas No：	[147-85-3]
Characteristics：	White crystalline powder
Quality Standards：	AJI97

Item	Specification (AJI97)
Appearance	White crystals or crystalline powder
Assay,%	99.0~101.0
Specific Rotation	-84.5°~-86.0°
pH value	5.9~6.9
Loss on drying,%	≤0.3
Heavy Metals (as Pb),%	≤0.001
Residue on Iginition,%	≤0.1
Arsenic (as As),%	≤0.0001
Chloride,%	≤0.02
Amonium(NH4),%	≤0.02
Sulfate(SO4),%	≤0.02
Iron (Fe),%	≤0.001
Other amino acids	Not detd.

Package and Transport：	With round paperboard drum 25kgs per drum.
Storage：	Kept in a light-proof, well-closed, dry and cool place. The expiry date is for two years.

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