4-Chloro-1H-pyrazole
Names
[ CAS No. ]:
15878-00-9
[ Name ]:
4-Chloro-1H-pyrazole
[Synonym ]:
4-Chloropyrazole
MFCD00159634
1H-Pyrazole, 4-chloro-
4-Chloro-1H-pyrazole
Chemical & Physical Properties
[ Density]:
1.4±0.1 g/cm3
[ Boiling Point ]:
220.0±0.0 °C at 760 mmHg
[ Melting Point ]:
75-76ºC
[ Molecular Formula ]:
C3H3ClN2
[ Molecular Weight ]:
102.522
[ Flash Point ]:
98.8±5.4 °C
[ Exact Mass ]:
101.998474
[ PSA ]:
28.68000
[ LogP ]:
1.26
[ Vapour Pressure ]:
0.2±0.4 mmHg at 25°C
[ Index of Refraction ]:
1.563
[ Storage condition ]:
2~8 ℃
MSDS
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 DATA
ACUTE 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
Safety Information
[ Hazard Codes ]:
Xi
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26
[ HS Code ]:
2933199090
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2933199090
[ 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%