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Contact:Xian Jun
Tel:+187137631
Mobile:+187137631
      +187137631
Fax:+187137631
Add:Group Ten, Qianjin Village, Jiangjun Town, HOngya County, Sichuan, China
E-mail:gqjvrsdx@163.com-aminoacid.com

Products
L-Pyroglutamic acid

English Name: L-Pyroglutamic acid;5-Oxoproline; 5-Oxopyrrolidine-2-carboxylic acid; L-5-pyrrolidone-2-carboxylic acid; (S)-(-)-2-Pyrrolidone-5-carboxylic acid;
Chemical Name:L-Pyroglutamic acid;5-Oxoproline; 5-Oxopyrrolidine-2-carboxylic acid; L-5-pyrrolidone-2-carboxylic acid; (S)-(-)-2-Pyrrolidone-5-carboxylic Molecular Formula:C5H7NO3;
Molecular Weight:129.11;
CAS:98-79-3;
EINECS: 187137631;
Products Content:99.3%;
Chemical Property: Colorless crystal. Melting Point 159-162°C. Soluble in water, alcohol, acetone and acetic acid, slightly soluble in ethyl acetate, insoluble in ether.
Product Standard:AJI/USP/FCC/EP;
Specification:25KG/barrel;
Main Use: 1.Pharmaceutical intermediates, medical supplements.
2. Has a strong moisturizing capabilities, strong penetration in the skin. As a high-nutrient in nature, easily absorbing additives, the skin conditioning of Use, as a moisturizing agent.

Property

Standard

Appearance

White crystal

Rotary rate (a)D20
(C=5H2O)

-11.0º ~ -12.0º

Melting Point (ºC)

159ºC to 162 ºC

Chlorids (C1)

£¼0.02%

Amonnium salt (NH4)

£¼0.02%

Sulphur salts (SO4)

£¼0.02%

Heavy Metal (Pb)

£¼10ppm

Iron (Fe)

£¼10ppm

Arsenic salt (As2O3)

£¼1 PPM

Drying Loss

£¼0.50%

Burning residues

£¼0.2%

Content

 99.0-101.0%

 
 
 
 
 

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