L-Pyroglutamic acid
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| Post Date: | Jul 14,2014 |
| Expiry Date: | Jul 14,2015 |
| Detailed Description: |
Cas No. :98-79-3
Quantity: 5Metric Tons Specs:Aji Price:10 USD Kilograms Payment Method: T/T, L/C, Western Union L-Pyroglutamic acid English Name: L-Pyroglutamic acid CAS No.: 98-79-3 The scientific name (structure) of L-Pyro glutamic acid is L-2-pyrrolidone-5-carboxylic acid. The optical rotation is [a]D=-11.50o. It is soluble in water, ethanol, acetone and glacial acetic acid. At 25 degree Celsius, solubility in water is more than 40 g. Standard: Aji92/USP24 Properties: it is colorless crystal with melting point 159-162 degree Celsius. It is soluble in water, alcohol, acetone and acetic acid. It is slightly soluble in ethyl acetate and insoluble in ether. Main Specification: It mainly contents 98.5%-101.0%. Specific rotation is -10.50 degree to -12.30 degree. Chloride cl- is equal or less than 0.02%. Sulphate SO42 is equal or less than 0.02%. Heavy metal is equal or less than 10 ppm. Residue is equal or less than 0.2%. Loss on drying is equal or less than 0.5%. Iron is equal or less than 10ppm. PH value is 2.0 to 2.5. Application: it has strong moisturizing function with strong skin permeability. As an additive with high nutritive and easily absorbed, it opsonizes skin and effects as moisturizer. Packing: 25 kg/barrel Storage: seal and store in dry location |
| CAS Registry Number: | 98-79-3 |
| Synonyms: | ;5-Oxo-L-proline;Pyroglutamicacid;pidolic acid;glutiminic acid;5-oxoproline;Pyr-OH;L-Pyroglutamic acid;H-Pyr-OH;L-2-Pyrrolidone-5-carboxylic acid;(S)-(-)-2-Pyrrolidinone-5-carboxylic acid;L-Pyrpglutamic Acid;5-Oxopyrrolidine-2-carboxylic acid;5-Pyrrolidone-2-carboxylic acid;L-5-Pyrrolidone-2-carboxylic acid;pyroglutamic acid;Pyrrolidonecarboxylic Acid;L-pyro glutamic acid;(2S)-5-oxopyrrolidine-2-carboxylate; |
| Molecular Formula: | C5H6NO3 |
| Molecular Weight: | 128.1066 |
| Molecular Structure: | 
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| Hazard Symbols: |  Xi:Irritant; |
| Risk Codes: | R36/37/38:; |
| Safety Description: | S26:; S36:; |
| Company: | Chongqing Jingkang Biotechnology Co., Ltd. [ China ] |
| Contact: | Morlyn |
| Tel: | +86-23-67456208 |
| Fax: | +86-23-60640228 |
| Email: | jingkang@jingkangsw.com |
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