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The details of Factory supply Cosmetic Grade DL- Mandelic Acid Powder CAS 90-64-2 Mandelic Acid
Product Name: DL-Mandelic acid
Synonyms: (n)-mandelic acid;DL-MANDELIC ACID611-72-3;MANDELICACIDANDITSCOMMONSALTS;alpha-Hydroxy-benzeneacetic acid;alpha-Hydroxyphenylacetic acid;Kyselina 2-fenyl-2-hydroxyethanova;Kyselina mandlova;kyselina2-fenyl-2-hydroxyethanova
CAS: 90-64-2
MF: C8H8O3
MW: 152.15
EINECS: 202-007-6
Melting point 119-121 °C (lit.)
alpha [α]D20 -0.5~+0.5° (c=2, H2O)
Boiling point 214.6°C (rough estimate)
density 1.30
vapor pressure 0.01 Pa (50 °C)
refractive index 1.4810 (estimate)
storage temp. Store below +30°C.
solubility 139g/l
pka 3.85(at 25ºC)
form Crystals or Crystalline Powder
color White
PH 2.3 (10g/l, H2O)
Odor faint odor
| Item | Specifications | Results |
| Appearance | White crystal | White crystal |
| Solubility | Soluble in water and ether | Soluble in water and ether |
| Cyanide | Should be absent | No detected |
| Assay (Benzene) | 50 ppm max | No detected |
| Assay (on dry basis) | 99% min | 99.78% |
| Melting point | 117ºC~121ºC | 118.6ºC~119.2ºC |
| [a]D20 | ±0.25° | 0° |
| Transmittance (10% w/v water) | Not less than 90% | 99.5% |
| Residue on ignition | 0.5% max | 0.12% |
| Turbidity | <20NTU | 1.02NTU |
| Moisture | 0.5% max | 0.06% |
| Conclusion | The results conforms with enterprise standards | |
Application
DL-Mandelic acid may be used as an analytical reference standard for the determination of DL-mandelic acid in:
Human urine samples by high performance liquid chromatography (HPLC) equipped with ultraviolet (UV) detector.
Rat urine samples by gas chromatography-mass spectrometry (GC-MS) with selected ion monitoring (SIM) detection.
Packing
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Contact
Sales Manager: Joyce Chen
