Introduction：Basic information about CAS 20724-56-5|3-Chloro-5-isoxazolecarboxylic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3-Chloro-5-isoxazolecarboxylic acid |
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| CAS Number | 20724-56-5 | Molecular Weight | 147.51700 |
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| Density | 1.64g/cm3 | Boiling Point | 342.6ºC at 760 mmHg |
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| Molecular Formula | C4H2ClNO3 | Melting Point | / |
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| MSDS | / | Flash Point | 161ºC |
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Names
| Name | 3-chloro-1,2-oxazole-5-carboxylic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.64g/cm3 |
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| Boiling Point | 342.6ºC at 760 mmHg |
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| Molecular Formula | C4H2ClNO3 |
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| Molecular Weight | 147.51700 |
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| Flash Point | 161ºC |
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| Exact Mass | 146.97200 |
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| PSA | 63.33000 |
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| LogP | 1.02620 |
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| Vapour Pressure | 2.87E-05mmHg at 25°C |
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| Index of Refraction | 1.545 |
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| InChIKey | IDKGQUZZCFRJHC-UHFFFAOYSA-N |
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| SMILES | O=C(O)c1cc(Cl)no1 |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- NY2375000
- CHEMICAL NAME :
- 5-Isoxazolecarboxylic acid, 3-chloro-
- CAS REGISTRY NUMBER :
- 20724-56-5
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C4-H2-Cl-N-O3
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1860 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 18,569,1969
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Safety Information
Customs
| HS Code | 2934999090 |
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| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 3-chloro-5-isoxazolecarboxylic acid |
| 3-chloroisoxazol-5-carboxylic acid |
| 3-Chlor-isoxazol-carbonsaeure-(5) |
| 3-Chlorisoxazol-5-carbonsaeure |
| 5-ISOXAZOLECARBOXYLIC ACID,3-CHLORO |
| 3-Chloroisoxazole-5-carboxylic acid |
