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CAS No.: | 2075-45-8 |
---|---|
Name: | 4-Bromopyrazole |
Article Data: | 35 |
Molecular Structure: | |
Formula: | C3H3BrN2 |
Molecular Weight: | 146.974 |
Synonyms: | Pyrazole,4-bromo- (6CI,7CI,8CI);4-Bromo-1H-pyrazole;NSC 522023; |
Density: | 1.905 g/cm3 |
Melting Point: | 93-96 °C(lit.) |
Boiling Point: | 254.999 °C at 760 mmHg |
Flash Point: | 108.038 °C |
Solubility: | Slightly soluble in water. |
Appearance: | White to cream crystalline powder |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 26-37/39 |
PSA: | 28.68000 |
LogP: | 1.17220 |
Conditions | Yield |
---|---|
With bromine In dichloromethane at 0℃; | 100% |
With N-Bromosuccinimide In water at 20 - 25℃; | 100% |
With N-Bromosuccinimide In water at 20℃; | 100% |
Conditions | Yield |
---|---|
With bromine |
Methyl 4-pyridazinyl ketone
A
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 24.9℃; Equilibrium constant; |
4-bromo-1H-pyrazole-3-carboxylic acid
4-bromo-1H-pyrazole
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
A
4-bromo-1H-pyrazole
B
(S)-(+)-flurbiprofen
Conditions | Yield |
---|---|
With water; sodium hydroxide at 4℃; for 24h; |
IUPAC Name: 4-Bromo-1H-pyrazole
Synonyms of 1H-Pyrazole, 4-bromo- (CAS NO.2075-45-8): 4-Bromopyrazole ; 4-Brompyrazole ; 5-23-04-00172 (Beilstein Handbook Reference) ; BRN 0106510 ; NSC 522023 ; 1H-Pyrazole, 4-bromo- (9CI) ; Pyrazole, 4-bromo-
CAS NO: 2075-45-8
Classification Code: Drug / Therapeutic Agent ; Mutation data
Molecular Formula of 1H-Pyrazole, 4-bromo- (CAS NO.2075-45-8): C3H3BrN2
Molecular Weight: 146.9733
Molecular Structure:
Melting point: 93-96 °C
H bond acceptors: 2
H bond donors: 1
Polar Surface Area: 17.82 Å2
Index of Refraction: 1.601
Molar Refractivity: 26.46 cm3
Molar Volume: 77.1 cm3
Surface Tension: 56.4 dyne/cm
Density of 1H-Pyrazole, 4-bromo- (CAS NO.2075-45-8): 1.904 g/cm3
Flash Point: 108 °C
Enthalpy of Vaporization: 47.26 kJ/mol
Boiling Point: 255 °C at 760 mmHg
Vapour Pressure: 0.0268 mmHg at 25°C
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intraperitoneal | 367mg/kg (367mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 178, Pg. 199, 1971. |
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39: Wear suitable gloves and eye/face protection.
WGK Germany: 3
RTECS: UQ6200000
Hazard Note: Irritant
HazardClass: IRRITANT