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Cas Database |
| Name |
5-Amino-3-methyl-1-phenylpyrazole |
EINECS | 214-463-3 |
| CAS No. | 1131-18-6 | Density | 1.17 g/cm3 |
| PSA | 43.84000 | LogP | 2.34410 |
| Solubility | 6.051g/L at 25℃ | Melting Point |
114-117 °C(lit.) |
| Formula | C10H11N3 | Boiling Point | 333 °C at 760 mmHg |
| Molecular Weight | 173.217 | Flash Point | 155.2 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | 26-36 | Risk Codes | 36/37/38-20/21/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xn,  Xi
|
| Synonyms |
Pyrazole,5-amino-3-methyl-1-phenyl- (6CI,7CI,8CI);1-Phenyl-3-methyl-5-aminopyrazole;3-Amino-5-methyl-2-phenyl-2H-pyrazole;3-Methyl-1-phenyl-1H-pyrazol-5-amine;3-Methyl-1-phenyl-5-pyrazolamine;3-Methyl-1-phenylpyrazol-5-amine;5-Methyl-2-phenyl-2H-pyrazol-3-ylamine; |
Article Data | 59 |
5-Amino-3-methyl-1-phenylpyrazole Chemical Properties
Empirical Formula: C10H11N3
Molecular Weight: 173.2144 g/mol
EINECS: 214-463-3
Index of Refraction: 1.624
Density: 1.17 g/cm3
Flash Point: 155.2 °C
Enthalpy of Vaporization: 57.58 kJ/mol
Boiling Point: 333 °C at 760 mmHg
Vapour Pressure: 0.000141 mmHg at 25 °C
Structure of 1-Phenyl-3-methyl-5-aminopyrazole (CAS NO.1131-18-6):
IUPAC Name of 1-Phenyl-3-methyl-5-aminopyrazole (CAS NO.1131-18-6): 5-Methyl-2-phenylpyrazol-3-amine
Product Categories: Intermediates of Dyes and Pigments;Pyrazole series;Heterocyclic Compounds;Heterocyclic Building Blocks
5-Amino-3-methyl-1-phenylpyrazole Uses
1-Phenyl-3-methyl-5-aminopyrazole (CAS NO.1131-18-6) can be used as a dye and pharmaceutical intermediate.
5-Amino-3-methyl-1-phenylpyrazole Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 1300mg/kg (1300mg/kg) | BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS" BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) | Personal Communication from LONZA Ltd., CH-4002, Basel, SwitzerlandVol. 03FEB1981, |
| mouse | LDLo | intraperitoneal | 800mg/kg (800mg/kg) | Farmakologiya i Toksikologiya Vol. 27, Pg. 295, 1964. | |
| rabbit | LD50 | oral | 1gm/kg (1000mg/kg) | BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) | Personal Communication from LONZA Ltd., CH-4002, Basel, SwitzerlandVol. 03FEB1981, |
| rat | LD50 | oral | 2500mg/kg (2500mg/kg) | BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) | Personal Communication from LONZA Ltd., CH-4002, Basel, SwitzerlandVol. 03FEB1981, |
5-Amino-3-methyl-1-phenylpyrazole Consensus Reports
Reported in EPA TSCA Inventory.
5-Amino-3-methyl-1-phenylpyrazole Safety Profile
Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes of 1-Phenyl-3-methyl-5-aminopyrazole (CAS NO.1131-18-6): 
Xi,
Xn
Risk Statements: 36/37/38-20/21/22
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
5-Amino-3-methyl-1-phenylpyrazole Specification
1-Phenyl-3-methyl-5-aminopyrazole ,its cas register number is 1131-18-6. It also can be called 3-Methyl-1-phenyl-1H-pyrazol-5-amine ; and 1H-Pyrazol-5-amine, 3-methyl-1-phenyl- .
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