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- Name Sulfaphenazole
- EINECSN/A
- CAS No. 526-08-9
- Density1.39g/cm3
- PSA98.39000
- LogP3.99030
- SolubilityN/A
- Melting Point179-183 °C
- FormulaC15H14 N4 O2 S
- Boiling Point541.9°Cat760mmHg
- Molecular Weight314.368
- Flash Point281.5°C
- Transport InformationN/A
- AppearanceN/A
- SafetyModerately 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.
- Risk CodesN/A
- Molecular Structure
- Hazard SymbolsN/A
- SynonymsN/A
- Article Data9
Sulfaphenazole Chemical Properties
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.
Sulfaphenazole Uses
3-(p-Aminobenzenesulfonamido)-2-phenylpyrazole (CAS NO.526-08-9) is a sulfonamide antibacterial.
Sulfaphenazole Production
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
Sulfaphenazole Toxicity Data With Reference
| 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. |
Sulfaphenazole Safety Profile
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
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