Contact:Xian Jun
Tel:+86-28-37496355
Mobile:+86-13378369793
+86-13378369793
Fax:+86-28-37496355
Add:Group Ten, Qianjin Village, Jiangjun Town, HOngya County, Sichuan, China
E-mail:yaxing@yx-aminoacid.com
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: 202-700-3;
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 |
-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% |
.jpg){kind=small}