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

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3-Methyl-1-phenyl-1H-pyrazol-5-amine
Price: ￥88.0/5g
Purity: 95.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.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%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1131-18-6

1131-18-6 structure

1131-18-6 structure

Name: 3-Methyl-1-phenyl-1H-pyrazol-5-amine
Chemical Name: 5-Amino-3-methyl-1-phenylpyrazole
CAS Number: 1131-18-6
Molecular Formula: C₁₀H₁₁N₃
Molecular Weight: 173.214
Create Date: 2018-11-29 00:12:26
Modify Date: 2025-08-20 18:23:15

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

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

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
100-63-0 1118-60-1 2469-99-0 1118-61-2
5346-56-5 59-88-1 42412-18-0 121716-27-6
DownStream 10
105438-50-4 1103593-93-6 19688-95-0 58668-41-0
1016225-54-9 1016225-56-1 1016225-51-6 1009630-24-3
12239-15-5 337975-77-6

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%

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.