Other grades of this product :
| (S)-(+)-Mandelic acid Basic information |
| (S)-(+)-Mandelic acid Chemical Properties |
| Melting point | 131-134 °C(lit.) | | alpha | 155 º (c=2 , H2O) | | Boiling point | 234.6°C (rough estimate) | | density | 1.3410 | | refractive index | 153.5 ° (C=1, H2O) | | Fp | >190°C | | storage temp. | Store below +30°C. | | solubility | Methanol (Slightly), Water (Sparingly, Heated) | | form | Crystalline Powder | | pka | 3.41±0.25(Predicted) | | color | White to beige-brown | | PH | 2.1 (60g/l, H2O, 20℃) | | optical activity | [α]20/D +153±5°, c = 5% in H2O | | Water Solubility | 100 g/L (25 ºC) | | Sensitive | Light Sensitive | | BRN | 2208678 | | Stability: | Stable, but light sensitive. Combustible. Incompatible with strong bases, strong oxidizing agents, strong reducing agents. | | CAS DataBase Reference | 17199-29-0(CAS DataBase Reference) | | NIST Chemistry Reference | Benzeneacetic acid, «alpha»-hydroxy-, (s)-(17199-29-0) | | EPA Substance Registry System | Benzeneacetic acid, .alpha.-hydroxy-, (.alpha.S)- (17199-29-0) |
| (S)-(+)-Mandelic acid Usage And Synthesis |
| Chemical Properties | white to light yellow crystal powde | | Uses | Antiseptic (urinary). | | Uses | (S)-(+)-Mandelic acid is a versatile reagent used in the resolution of racemates and the preparation of amides, Pharmaceutical Intermediates. | | Uses | A versatile reagent used in the resolution of racemates and the preparation of amides. | | Flammability and Explosibility | Notclassified | | Purification Methods | Purify the mandelic acids by recrystallisation from H2O, *C6H6 or CHCl3. [Roger J Chem Soc 2168 1932,Jamison & Turner J Chem Soc 611 1942.] They have solubilities in H2O of ca 11% at 25o. [Banks & Davies J Chem Soc 73 1938.] The S-benzylisothiuronium salts has m 180o (from H2O) and [] D 25 (+) and (-) 57o (c20, EtOH) [El Masri et al. Biochem J 68 199 1958]. [Beilstein 10 IV 564.] |
| (S)-(+)-Mandelic acid Preparation Products And Raw materials |
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