Introduction：Basic information about CAS 15878-00-9|4-Chloro-1H-pyrazole, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4-Chloro-1H-pyrazole |
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| CAS Number | 15878-00-9 | Molecular Weight | 102.522 |
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| Density | 1.4±0.1 g/cm3 | Boiling Point | 220.0±0.0 °C at 760 mmHg |
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| Molecular Formula | C3H3ClN2 | Melting Point | 75-76ºC |
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| MSDS | ChineseUSA | Flash Point | 98.8±5.4 °C |
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Names
| Name | 4-Chloro-1H-pyrazole |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.4±0.1 g/cm3 |
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| Boiling Point | 220.0±0.0 °C at 760 mmHg |
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| Melting Point | 75-76ºC |
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| Molecular Formula | C3H3ClN2 |
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| Molecular Weight | 102.522 |
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| Flash Point | 98.8±5.4 °C |
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| Exact Mass | 101.998474 |
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| PSA | 28.68000 |
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| LogP | 1.26 |
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| Vapour Pressure | 0.2±0.4 mmHg at 25°C |
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| Index of Refraction | 1.563 |
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| InChIKey | BADSZRMNXWLUKO-UHFFFAOYSA-N |
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| SMILES | Clc1cn[nH]c1 |
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| Storage condition | 2~8 ℃ |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- UQ6445000
- CHEMICAL NAME :
- Pyrazole, 4-chloro-
- CAS REGISTRY NUMBER :
- 15878-00-9
- BEILSTEIN REFERENCE NO. :
- 0106355
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C3-H3-Cl-N2
- MOLECULAR WEIGHT :
- 102.53
- WISWESSER LINE NOTATION :
- T5MNJ EG
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 527 mg/kg
- TOXIC EFFECTS :
- Behavioral - anticonvulsant Behavioral - somnolence (general depressed activity)
- REFERENCE :
- AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 121,443,1959
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Safety Information
| Hazard Codes | Xi |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | S26 |
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| HS Code | 2933199090 |
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Customs
| HS Code | 2933199090 |
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| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| 4-Chloropyrazole |
| MFCD00159634 |
| 1H-Pyrazole, 4-chloro- |
| 4-Chloro-1H-pyrazole |
