L-mandelate

Details:

Wuhan ZeShanCheng Biomedical Technology Co., Ltd. is located in Wuhan, the economic and geographical center of China and known as the "thoroughfare of nine provinces". It is a technology-based enterprise integrating R & D and sales. The company adheres to the concept of "technology first, customer first". We always provide customers with good products, technical support and perfect after-sales service.

Main products: cosmetic raw materials (whitening series, preservatives, sunscreens, rheological modifiers, surfactants, etc.), chemical raw materials (catalysts, additives, starting materials, etc.).

(s) - (+) - mandelic acid

CAS No.: 17199-29-0

Molecular formula: C8H8O3

Molecular weight: 152.15

Melting point 131-134 ° C (lit.)

Specific rotation 155 º (C = 2, H2O)

Boiling point 234.6 ° C (rough estimate)

Density 1.3410

Refractive index 153.5 ° (C = 1, H2O)

Flash point > 190 ° C

Storelow + 30 ° C storage condition

Acidity coefficient (PKA) 3.41 ± 0.25 (predicted)

Morphology: crystallinepowder

Color whitetobeige Brown

PH value 2.1 (60g / L, H2O, 20 ℃)

Optical activity[ α] 20/D+153±5°,c=5%inH2O

Properties mandelic acid is white shiny crystalline powder, crystal or flake; Solubility in water: 100g / L (25 ℃). Soluble in alcohol and ether. Melting point: 134 ° C, specific rotation: 155 º (C = 2, H2O), refractive index: 153.5 ° (C = 1, H2O).

Mandelic acid is mainly used in organic synthesis and pharmaceutical industry, and is mainly used for the resolution of chiral substances.

Mandelic acid is prepared from acetophenone, a by-product of phenol from cumene.

It is mainly used in organic synthesis and pharmaceutical industry, mainly for the resolution of chiral substances

Use: a multi-purpose reagent, which is used for the resolution of racemate and the preparation of amide

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