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15878-00-9

15878-00-9 structure
15878-00-9 structure
  • Name: 4-Chloro-1H-pyrazole
  • Chemical Name: 4-Chloro-1H-pyrazole
  • CAS Number: 15878-00-9
  • Molecular Formula: C3H3ClN2
  • Molecular Weight: 102.522
  • Create Date: 2018-08-17 12:53:26
  • Modify Date: 2024-01-02 15:55:42

Name 4-Chloro-1H-pyrazole
Synonyms 4-Chloropyrazole
MFCD00159634
1H-Pyrazole, 4-chloro-
4-Chloro-1H-pyrazole
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 ℃

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
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26
HS Code 2933199090
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%