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L-Pyroglutamic Acid, D-Pyroglutamic Acid
 L-Pyroglutamic Acid, D-Pyroglutamic Acid |
Product Description
L-Pyroglutamic acid
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 159-162C. Soluble in water, alcohol, acetone and acetic acid, slightly soluble in ethyl acetate, insoluble in ether.
Product Standard: AJI/USP/FCC/EP;
Packing: 25KG fiber drum
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) -11.0 ~ -12.0
Melting Point (C) 159C to 162 C
Chlorids (C1) 0.02%
Amonnium salt (NH4) 0.02%
Sulphur salts (SO4) 0.02%
Heavy Metal (Pb) 10ppm
Iron (Fe) 10ppm
Arsenic salt (As2O3) 1 PPM
Drying Loss 0.50%
Burning residues 0.2%
Content 99.0-101.0%
D-Pyroglutamic acid
CAS#: 4042-36-8
Molecular Formula: C5H7NO3
Molecular Weight: 129
Specification:
Item Standard
Appearance White crystals
Specific rotation[α ]D/20(C=2 in H2O) +10.8to +12.3
Melting Point (C) 159 to 161 C
Chloride(C1) Not more than 0.02%
Sulfate(SO4) Not more than 0.02%
Iron(Fe) Not more than 10ppm
Heavy metals(Pb) Not more than 10ppm
Arsenic(As2O3) Not more than 1ppm
Loss on drying Not more than 0.50%
Residue on ignition Not more than 0.10%
Assay 98.0%-101.0%
| Unit Price: | Negotiable |
|---|---|
| Shipment Terms: | CFR |
| Payment Terms: | T/T |
| Minimum Order: | 1 Tons |
| Price Valid Time: | From Jan 02,2012 To Jan 01,2015 |
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
| Company: | Mutual Fine Chemical Co., Ltd. |
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