3-Methyl-1-phenyl-1H-pyrazol-5-amine
Names
[ CAS No. ]:
1131-18-6
[ Name ]:
3-Methyl-1-phenyl-1H-pyrazol-5-amine
[Synonym ]:
5-methyl-2-phenylpyrazol-3-amine
1H-Pyrazol-5-amine, 3-methyl-1-phenyl-
5-AMINO-3-METHYL-1-PHENYLPYRAZOLE
MFCD00020727
T5NNJ AR& C1 EZ
3-Methyl-1-phenyl-1H-pyrazol-5-amine
EINECS 214-463-3
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
333.0±22.0 °C at 760 mmHg
[ Melting Point ]:
114-117 °C(lit.)
[ Molecular Formula ]:
C10H11N3
[ Molecular Weight ]:
173.214
[ Flash Point ]:
155.2±22.3 °C
[ Exact Mass ]:
173.095291
[ PSA ]:
43.84000
[ LogP ]:
1.96
[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C
[ Index of Refraction ]:
1.625
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UQ4990000
- CHEMICAL NAME :
- 1H-Pyrazole-5-amine, 3-methyl-1-phenyl-
- CAS REGISTRY NUMBER :
- 1131-18-6
- BEILSTEIN REFERENCE NO. :
- 0140666
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 5
- MOLECULAR FORMULA :
- C10-H11-N3
- MOLECULAR WEIGHT :
- 173.24
- WISWESSER LINE NOTATION :
- T5NNJ AR& C1 EZ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2500 mg/kg
- TOXIC EFFECTS :
- Behavioral - changes in motor activity (specific assay)
- REFERENCE :
- LONZA# Personal Communication from LONZA Ltd., CH-4002, Basel, Switzerland Volume(issue)/page/year: 03FEB1981
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1300 mg/kg
- TOXIC EFFECTS :
- Behavioral - hallucinations, distorted perceptions Behavioral - changes in motor activity (specific assay)
- REFERENCE :
- LONZA# Personal Communication from LONZA Ltd., CH-4002, Basel, Switzerland Volume(issue)/page/year: 03FEB1981
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 800 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 27,295,1964
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1 gm/kg
- TOXIC EFFECTS :
- Behavioral - changes in motor activity (specific assay) Behavioral - muscle contraction or spasticity
- REFERENCE :
- LONZA# Personal Communication from LONZA Ltd., CH-4002, Basel, Switzerland Volume(issue)/page/year: 03FEB1981
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H315-H319-H335
[ Precautionary Statements ]:
P261-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26-S36
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3
[ RTECS ]:
UQ4990000
[ HS Code ]:
2933199090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2933199090
[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
Articles
J. Chin. Chem. Soc. 54(2) , 507-518, (2007)
An unexpected chemical behavior of 5-N-(benzotriazol-1-ylmethyl) amino-3-tert-butyl-1-phenylpyrazole. Abonia R, et al.
Tetrahedron Lett. 43(22) , 5617-5620, (2002)
The synthesis of fused and pendant pyrazole heterocyclic compounds from 5-amino-3-methyl-1-phenylpyrazole and their evaluation as fluorescent brightening agents. Tagdiwala PV and Rangnekar DW.
J. Chem. Technol. Biotechnol. 38(2) , 77-84, (1987)