Oxidized proline CAS 98-79-3, also known as L-pyroglutamic acid. Relative molecular weight 129.12. Melting point 162~163 ℃. Insoluble in ether, slightly soluble in ethyl acetate, soluble in water (40 at 25 ℃), ethanol, acetone, and glacial acetic acid. Specific rotation -11.9 ° (c=2, H2O). Its sodium salt can be used as a moisturizing agent in cosmetics, and its moisturizing effect is superior to glycerol and sorbitol. It is non-toxic and non irritating, and is used in skincare and hair care cosmetics; This product has an inhibitory effect on tyrosine oxidase, can prevent the deposition of melanin, and has a whitening effect on the skin; It has a softening effect on keratin and can be used in nail cosmetics; It can also be used as a surfactant for detergents; Chemical reagents for the resolution of racemic amines; Organic intermediates.

Chinese name: oxidized proline

Foreign name: L-Pyroglutamic acid

Nickname: L-pyroglutamic acid

Chemical formula: C5H7NO3

Molecular weight: 129.12

CAS login number: 98-79-3

Melting point: 162~163 ℃

Water solubility: soluble in water (40 at 25 ℃)

Purpose

Its sodium salt can be used as a moisturizing agent in cosmetics, and its moisturizing effect is superior to glycerol and sorbitol. It is non-toxic and non irritating, and is used in skincare and hair care cosmetics; This product has an inhibitory effect on tyrosine oxidase, can prevent the deposition of melanin, and has a whitening effect on the skin; It has a softening effect on keratin and can be used in nail cosmetics; It can also be used as a surfactant for detergents; Chemical reagents for the resolution of racemic amines; Organic intermediates.

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