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IUPAC Name: 4-Amino-N-(2-phenylpyrazol-3-yl)benzenesulfonamide
Synonyms of 3-(p-Aminobenzenesulfonamido)-2-phenylpyrazole (CAS NO: 526-08-9) : 4-Amino-N-(1-phenyl-1H-pyrazol-5-yl)benzenesulfonamide ; Benzenesulfonamide, 4-amino-N-(1-phenyl-1H-pyrazol-5-yl)- ; 1-Phenyl-5-sulfanilamidopyrazole
CAS NO: 526-08-9
Molecular Formula :C15H14N4O2S
Molecular Weight :314.3623
Molecular Structure :
EINECS: 208-384-3
Index of Refraction: 1.684
Surface Tension: 60.9 dyne/cm
Density: 1.39 g/cm3
Flash Point: 281.5 °C
Enthalpy of Vaporization: 81.99 kJ/mol
Boiling Point: 541.9 °C at 760 mmHg
Vapour Pressure: 8.34E-12 mmHg at 25°C
Melting point: 179-183 °C
Storage temp: 2-8°C
Color: 3-(p-Aminobenzenesulfonamido)-2-phenylpyrazole (CAS NO.526-08-9) is white to light yellow.
3-(p-Aminobenzenesulfonamido)-2-phenylpyrazole (CAS NO.526-08-9) is a sulfonamide antibacterial.
Raw materials :Etanol-->Sodium hydroxide-->Hydrochloric acid-->Ethyl acetate-->Thionyl chloride-->PETROLEUM ETHER-->Triethyl orthoformate-->Ethyl cyanoacetate-->Chlorosulfonic acid-->Sodium dithionite-->Phenylhydrazine-->5-AMINO-1-PHENYLPYRAZOLE-->4-NITROBENZENESULFONIC ACID-->PHENYLURETHANE
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | intravenous | 470mg/kg (470mg/kg) | Drugs in Japan Vol. 6, Pg. 387, 1982. | |
mouse | LD50 | oral | 3016mg/kg (3016mg/kg) | Minerva Medica. Vol. 52, Pg. 1789, 1961. | |
mouse | LD50 | subcutaneous | 660mg/kg (660mg/kg) | Drugs in Japan Vol. 6, Pg. 387, 1982. | |
rabbit | LD50 | intravenous | 440mg/kg (440mg/kg) | Drugs in Japan Vol. 6, Pg. 387, 1982. | |
rabbit | LD50 | subcutaneous | 950mg/kg (950mg/kg) | Drugs in Japan Vol. 6, Pg. 387, 1982. | |
rat | LD50 | intravenous | 525mg/kg (525mg/kg) | Drugs in Japan Vol. 6, Pg. 387, 1982. | |
rat | LD50 | subcutaneous | 900mg/kg (900mg/kg) | Drugs in Japan Vol. 6, Pg. 387, 1982. |
Moderately toxic by subcutaneous and intravenous routes. Mildly toxic by ingestion. See also SULFONATES. When heated to decomposition it emits very toxic fumes of SOx and NOx.
WGK Germany 2
RTECS DA9520000