High Quality China Cheap price 31972-52-8 - L-amino acids L-Pyroglutamic acid CAS No.: 98-79-3 bulk stock – Tongsheng Amino Acid Manufacturer and Supplier

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China Cheap price 31972-52-8 - L-amino acids L-Pyroglutamic acid CAS No.: 98-79-3 bulk stock – Tongsheng Amino Acid Detail:

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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.

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So as to provide you with ease and enlarge our business, we even have inspectors in QC Crew and guarantee you our best company and solution for China Cheap price 31972-52-8 - L-amino acids L-Pyroglutamic acid CAS No.: 98-79-3 bulk stock – Tongsheng Amino Acid , The product will supply to all over the world, such as: Miami, Russia, Paris, Now, we professionally supplies customers with our main products And our business is not only the "buy" and "sell", but also focus on more. We target to be your loyal supplier and long-term cooperator in China. Now, We hope to be the friends with you.

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