3-Methyl-1-phenyl-1H-pyrazol-5-amine

Modify Date: 2026-07-02 14:05:24

3-Methyl-1-phenyl-1H-pyrazol-5-amine structure	Common Name	3-Methyl-1-phenyl-1H-pyrazol-5-amine
	CAS Number	1131-18-6	Molecular Weight	173.214
	Density	1.2±0.1 g/cm3	Boiling Point	333.0±22.0 °C at 760 mmHg
	Molecular Formula	C₁₀H₁₁N₃	Melting Point	114-117 °C(lit.)
	MSDS	Chinese USA	Flash Point	155.2±22.3 °C
	Symbol	GHS07	Signal Word	Warning

Name	5-Amino-3-methyl-1-phenylpyrazole
Synonym	More Synonyms

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
InChIKey	FMKMKBLHMONXJM-UHFFFAOYSA-N
SMILES	Cc1cc(N)n(-c2ccccc2)n1

3-Methyl-1-phenyl-1H-pyrazol-5-amine MSDS(Chinese)

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

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

Precursor 8
CAS#:100-63-0 Phenylhydrazine CAS#:1118-60-1 3-iminobutyronitrile CAS#:2469-99-0 3-Oxobutanenitrile CAS#:1118-61-2 3-aminocrotonon...
CAS#:5346-56-5 1H-Pyrazole-4-c... CAS#:59-88-1 Phenylhydrazine... CAS#:42412-18-0 3-phenylhydrazo... CAS#:121716-27-6 ethyl 5-amino-3...
DownStream 10
CAS#:105438-50-4 3-methyl-1,5-di... CAS#:1103593-93-6 6-amino-3-methy... CAS#:19688-95-0 (5-amino-3-meth... CAS#:58668-41-0 N'-(4-formyl-5-...
CAS#:1016225-54-9 3-Methyl-1-phen... CAS#:1016225-56-1 4-Ethyl-3-methy... CAS#:1016225-51-6 4-(4-dimethylam... CAS#:1009630-24-3 4-(4-CHLORO-PHE...
CAS#:12239-15-5 Acid Yellow 49 CAS#:337975-77-6 1-(5-methyl-2-p...

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%

Synthesis of Newly Substituted Pyrazoles and Substituted Pyrazolo [3, 4-b] Pyridines Based on 5-Amino-3-Methyl-1-Phenylpyrazole. El-Emary TI.

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)

Name: Luminescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: mu-type opioid receptor isoform MOR-1 [Homo sapiens]
External Id: OPRM1-OPRD1_AG_LUMI_1536_1X%ACT PRUN

Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN

Name: Cytochrome P450 Family 1 Subfamily A Member 2 (CYP1A2) small molecule antagonists: lu...
Source: 824
External Id: CYP273

Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN

Name: Fluorescence polarization-based biochemical high throughput primary assay to identify...
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=Sialate O-acetylesterase; AltName: Full=H-Lse; AltName: Full=Sialic acid-specific 9-O-acetylesterase; Flags: Precursor [Homo sapiens]
External Id: SIAE_INH_FP_1536_1X%INH PRUN

Name: p53 small molecule agonists, cell-based qHTS assay: qHTS cell viability counter scree...
Source: 824
Target: N/A
External Id: P53600

Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: qHTS ce...
Source: 824
Target: N/A
External Id: P53MS958

Name: p53 small molecule agonists, cell-based qHTS assay with rat liver microsomes: Summary
Source: 824
External Id: P53MS482

Name: p53 small molecule agonists, cell-based qHTS assay
Source: 824
External Id: P53344

Name: p53 small molecule agonists, cell-based qHTS assay with human liver microsomes
Source: 824
Target: tumor suppressor p53 [Homo sapiens]
External Id: P53MS233

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5-methyl-2-phenylpyrazol-3-amine

5-AMINO-3-METHYL-1-PHENYLPYRAZOLE

MFCD00020727

T5NNJ AR& C1 EZ

3-Methyl-1-phenyl-1H-pyrazol-5-amine

EINECS 214-463-3

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Methyl-1-phenyl-1H-pyrazol-5-amine
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-Amino-3-methyl-1-phenylpyrazole
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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3-Methyl-1-phenyl-1H-pyrazol-5-amine

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Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

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3-Methyl-1-phenyl-1H-pyrazol-5-amineBioassay

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The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.