Chinese wholesale 74844-91-0 - L-amino acids L-Prolinamide CAS No.: 7531-52-4 bulk stock – Tongsheng Amino Acid Detail:
Product Detail
| Appearance | White crystalline powder |
| Specific rotation(a)D20 (C=2,H2O) | -11.0º to –12.0º |
| Melting Point (ºC) | 158.0ºC to 163.0 ºC |
| Chloride (Cl) | Not more than 0.02% |
| Ammonium(NH4) | Not more than 0.02% |
| Sulfate (SO4) | Not more than 0.020% |
| Iron(Fe) | Not more than 10ppm |
| Heavy metal(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 0.2% |
| Assay | 98.5 to 101.0% |
| Validity period | 2 years |
| Package | 25kg/ drum |
| Transportation | by sea or by air or by land |
Synonyms
hydroxy-pyridin-3-yl-acetic acid;
L-Pyroglutamicacid;
L-oxoproline;
L-Proline, 5-oxo-;
5-oxo-L-proline
Application
L-pyroglutamic acid has strong moisturizing function and strong penetration in skin. As a highly nutritious and easily absorbed additive, it can regulate the skin and act as a moisturizer.
L-pyroglutamic acid also inhibits the activity of tyrosine oxidase, so as to prevent the deposition of “melanoid” substances in the skin and whiten the skin. It can soften cutin and can be used in nail cosmetics.
L-pyroglutamic acid can also form derivatives with other organic compounds. It has special effects in surface activity, transparency and brightness. It can also be used as surfactant for detergent; Chemical reagent for the resolution of racemic amine; Organic intermediates;Medical intermediates, body supplements.
Superiority
1. We usually have ton level in stock, and we can delivery the material quickly after we receive the order.
2. High quality & competitive price could be provided.
3.Quality analysis report (COA) of the shipment batch would be provided before the shipment.
4. Supplier questionnaire and technical documents could be provided if request after meeting a certain amount.
5. Great after-sales service or guarantee : Any of your question would be solved as soon as possible.
6. Export competitive products and export them abroad in large quantities every year.
Product detail pictures:
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We'll make every effort and hard work being outstanding and excellent, and speed up our techniques for standing during the rank of global top-grade and high-tech enterprises for Chinese wholesale 74844-91-0 - L-amino acids L-Prolinamide CAS No.: 7531-52-4 bulk stock – Tongsheng Amino Acid , The product will supply to all over the world, such as: Angola, Greek, Cyprus, All styles appear on our website are for customizing. We meet up to personal requirements with all products of your very own styles. Our concept is to help presenting the confidence of each buyers with the offering of our most sincere service, and the right product.
By Lydia from Swansea - 2017.03.28 16:34
We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
By Nicola from Lithuania - 2018.11.22 12:28
