L-Mandelic Acid

English: L-(+)-Mandelic acid

Alias: {S-(+)-Mandelic acid, S-Mandelic acid, L-(+)-Mandelic acid}

CAS: 17199-29-0

Purity: ≥99%

Molecular formula: C8H8O3

Melting point: 131-135℃

[α]_D²⁰: +153～+157.5

Moisture: ≤0.5%

Residue on ignition: ≤0.2%

Properties: White flaky crystals, discoloration and decomposition upon exposure to light. Melting point 119℃. Relative density 1.30. Easily soluble in isopropanol, soluble in ethanol and water. R-form melting point is 133℃, [α] -159.73° (ethanol), gradually racemizes at 160℃. S-form melting point is 133.8℃, [α] +156.57° (water).

Packaging: 25kg/cardboard drum

Applications: In the pharmaceutical industry, it can be used as an intermediate for cefamandole, vasodilator cyclandelate, eye drop hydrobenzole, etc., and can also serve as a preservative.