Basic information
- Name:
3H-Pyrazol-3-one,4-amino-1,2-dihydro-1,5-dimethyl-2-phenyl-
- Superlist Name:
- 4-Aminoantipyrine
- CAS No.:
83-07-8
- Molecular Structure:
- Formula:
- C11H13N3O
- Molecular Weight:
- 203.24
- Synonyms:
- Antipyrine,4-amino- (8CI);1,2-Dihydro-1,5-dimethyl-2-phenyl-4-amino-3H-pyrazol-3-one;4-AAP;4-Amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one;4-Amino-1,5-dimethyl-2-phenylpyrazolin-3-one;4-Amino-2,3-dimethyl-1-phenyl-5-pyrazolone;Aminoantipyrine;Ampyrone;NSC 60242;1-Phenyl-2,3-dimethyl-4-aminopyrazol-5-one;
- EINECS:
- 201-452-3
- Density:
- 1.207 g/cm3
- Melting Point:
- 105-110 °C(lit.)
- Boiling Point:
- 309 °C at 760 mmHg
- Flash Point:
- 140.7 °C
- Solubility:
- water: 0.1 g/mL, clear
- Appearance:
- Amber crystalline powder
- Hazard Symbols:
Xn- Risk Codes:
- 22-36/37/38-20/21/22
- Safety Description:
- 26-36-36/37/39 Details
- particular:
- particular
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Chemistry
IUPAC Name: 4-Aminoantipyrine
The MF of 4-Aminoantipyrine (83-07-8) is C11H13N3O.
The MW of 4-Aminoantipyrine (83-07-8) is 203.24.
Synonyms of 4-Aminoantipyrine (83-07-8): 4-Amino-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one ; 4-Amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one ; 4-Amino-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
Product Categories: Drug bulk;Pyridines, Pyrimidines, Purines and Pteredines
Form: amber crystalline powder
Index of Refraction: 1.606
EINECS: 201-452-3
Density: 1.207 g/ml
Flash Point: 140.7 °C
Boiling Point: 309 °C
Melting Point: 107-109 °C
Storage temp: Store at RT
Water Solubility: 500 g/L (20 ºC)
Merck: 14,591
BRN: 181635
Stability: Stable
Uses
4-Aminoantipyrine (83-07-8) is pharmaceutical intermediates analgin used to test alcohol and amines, phenols measured air and water.
Toxicity Data With Reference
| 1. | mmo-sat 5 µmol/plate | MUREAV Mutation Research. 206 (1988),317. | ||
| 2. | dnr-esc 312 µg/well | MUREAV Mutation Research. 133 (1984),161. | ||
| 3. | orl-rat LD50:1700 mg/kg | BCFAAI Bollettino Chimico Farmaceutico. 117 (1978),638. | ||
| 4. | ipr-rat LD50:1200 mg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 99 (1950),171. | ||
| 5. | orl-mus LD50:800 mg/kg | CCCCAK Collection of Czechoslovak Chemical Communications. 47 (1982),636. | ||
| 6. | ipr-mus LD50:270 mg/kg | ARZNAD Arzneimittel-Forschung. Drug Research. 10 (1960),820. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by intraperitoneal route. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Safety information of 4-Aminoantipyrine (83-07-8):
Hazard Codes 
Xn
Risk Statements
36/37/38 Irritating to eyes, respiratory system and skin
20/21/22 Harmful by inhalation, in contact with skin and if swallowed
Safety Statements
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39 Wear suitable protective clothing, gloves and eye/face protection
WGK Germany 3
RTECS CD2480000
F 8-9-23
Hazard Note Harmful
HS Code 29331190
