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CAS No.: | 15878-00-9 |
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Name: | 4-Chloropyrazole |
Molecular Structure: | |
Formula: | C3H3 Cl N2 |
Molecular Weight: | 102.523 |
Synonyms: | Pyrazole,4-chloro- (6CI,7CI,8CI);4-Chloro-1H-pyrazole;4-Chloropyrazole;4-chloro pyrazole;4-Chloro-1H-pyrazole; |
Density: | 1.405 |
Melting Point: | 75-76 ºC |
Boiling Point: | 220 °C at 760 mmHg |
Flash Point: | 99 ºC |
Appearance: | White to light yellow crystalline powder |
Hazard Symbols: | |
Risk Codes: | 36/37/38 |
Safety: | 26-36/37/39 |
PSA: | 28.68000 |
LogP: | 1.06310 |
IUPAC Name: 4-Chloro-1H-pyrazole
Synonyms of 1H-Pyrazole, 4-chloro- (CAS NO.15878-00-9): 4-Chloropyrazole ; 5-23-04-00164 (Beilstein Handbook Reference) ; BRN 0106355 ; L-21842 ; 1H-Pyrazole, 4-chloro- (9CI) ; Pyrazole, 4-chloro-
CAS NO: 15878-00-9
Classification Code: Drug / Therapeutic Agent
Molecular Formula of 1H-Pyrazole, 4-chloro- (CAS NO.15878-00-9): C3H3ClN2
Molecular Weight: 102.5223
Molecular Structure:
Melting point: 75-76 ºC
H bond acceptors: 2
H bond donors: 1
Polar Surface Area: 17.82 Å2
Index of Refraction: 1.562
Molar Refractivity: 23.67 cm3
Molar Volume: 72.9 cm3
Surface Tension: 53.1 dyne/cm
Density of 1H-Pyrazole, 4-chloro- (CAS NO.15878-00-9): 1.405 g/cm3
Flash Point: 98.8 °C
Enthalpy of Vaporization: 43.78 kJ/mol
Boiling Point: 220 °C at 760 mmHg
Vapour Pressure: 0.171 mmHg at 25°C
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
rat | LD50 | oral | 527mg/kg (527mg/kg) | BEHAVIORAL: ANTICONVULSANT BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 121, Pg. 443, 1959. |
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
HazardClass: IRRITANT