4-Chloro-3-methyl-1H-pyrazole
Names
[ CAS No. ]:
15878-08-7
[ Name ]:
4-Chloro-3-methyl-1H-pyrazole
[Synonym ]:
4-Chloro-5-methyl-1H-pyrazole
Chemical & Physical Properties
[ Density]:
1.306g/cm3
[ Boiling Point ]:
218.1ºC at 760mmHg
[ Molecular Formula ]:
C4H5ClN2
[ Molecular Weight ]:
116.54900
[ Flash Point ]:
106.4ºC
[ Exact Mass ]:
116.01400
[ PSA ]:
28.68000
[ LogP ]:
1.37150
[ Vapour Pressure ]:
0.189mmHg at 25°C
[ Index of Refraction ]:
1.551
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UQ6456000
- CHEMICAL NAME :
- Pyrazole, 4-chloro-3-methyl-
- CAS REGISTRY NUMBER :
- 15878-08-7
- BEILSTEIN REFERENCE NO. :
- 0001849
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C4-H5-Cl-N2
- MOLECULAR WEIGHT :
- 116.56
- WISWESSER LINE NOTATION :
- T5MNJ C1 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 :
- 375 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