(1R)-(-)-10-Camphorsulfonic acid Basic information
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Product Name: |
(1R)-(-)-10-Camphorsulfonic acid |
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Synonyms: |
(-)-CAMPHOR-10-SULPHONIC ACID;(-)-CAMPHOR-10-SULFONIC ACID;L-10-(-)-CAMPHOR SULFONIC ACID;L-(-)-CAMPHORSULFONIC ACID;L-(+)-CAMPHOR SULFONIC ACID;L(+)-CAMPHORSULPHONIC ACID;L-CAMPHORSULPHONIC ACID;L-(-)-CAMPHOR-10-SULFONIC ACID |
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CAS: |
35963-20-3 |
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MF: |
C10H16O4S |
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MW: |
232.3 |
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EINECS: |
252-817-9 |
(1R)-(-)-10-Camphorsulfonic acid Chemical Properties
| Melting point | 198 °C (dec.)(lit.) |
| alpha | -22 º (c=20,H2O) |
| Boiling point | 344.46°C (rough estimate) |
| density | 1.2981 (rough estimate) |
| refractive index | -21.5 ° (C=5, H2O) |
| storage temp. | Store below +30°C. |
| solubility | DMSO (Slightly), Methanol (Slightly), Water (Sparingly) |
| pka | 1.17±0.50(Predicted) |
| form | Crystalline Powder |
| color | White to slightly beige |
| PH | 1.2-1.4 (20g/l, H2O) |
| optical activity | [α]20/D 21°, c = 2 in H2O |
| Water Solubility | soluble |
(1R)-(-)-10-Camphorsulfonic acid Usage And Synthesis
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Chemical properties |
It is a kind of prismatic crystals and its melting point is 193-195 ° C (decompose). It is Insoluble in ether and slightly soluble in glacial acetic acid and ethyl acetate. And it is and moisture in wet air. |
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Uses |
1R)-(-)-10-Camphorsulfonic acid is a chiral derivative of Camphor.It has the following uses: (1) It is also used for the racemization of optical isomers. |
(1R)-(-)-10-Camphorsulfonic acid Specification
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Appearance |
White or almost white |
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Assay(%) |
≥99.0 |
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Melting point(℃) |
192-200 |
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Specific Rotation(°) |
-21﹣-23 |
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Loss on drying(%) |
≤2.0 |
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Iron(mg/kg) |
≤20 |
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