5-Phenyl-1H-pyrazole

Modify Date: 2025-08-21 17:15:57

5-Phenyl-1H-pyrazole structure	Common Name	5-Phenyl-1H-pyrazole
	CAS Number	2458-26-6	Molecular Weight	144.17
	Density	1.1±0.1 g/cm3	Boiling Point	339.1±11.0 °C at 760 mmHg
	Molecular Formula	C₉H₈N₂	Melting Point	75-77 °C
	MSDS	Chinese USA	Flash Point	163.8±12.2 °C

Use of 5-Phenyl-1H-pyrazole

3-Phenyl-1H-pyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

Name	5-phenyl-1H-pyrazole
Synonym	More Synonyms

Description	3-Phenyl-1H-pyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others

Density	1.1±0.1 g/cm3
Boiling Point	339.1±11.0 °C at 760 mmHg
Melting Point	75-77 °C
Molecular Formula	C₉H₈N₂
Molecular Weight	144.17
Flash Point	163.8±12.2 °C
Exact Mass	144.068741
PSA	28.68000
LogP	2.22
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.603

5-Phenyl-1H-pyrazole MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ7950000

CHEMICAL NAME :: Pyrazole, 3-phenyl-

CAS REGISTRY NUMBER :: 2458-26-6

LAST UPDATED :: 199109

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C9-H8-N2

MOLECULAR WEIGHT :: 144.19

WISWESSER LINE NOTATION :: T5MNJ CR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: DANKAS Doklady Akademii Nauk SSSR. Proceedings of the Academy of Sciences of the USSR. For English translation, see DBIOAM and DKBSAS. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1933- Volume(issue)/page/year: 123,200,1958

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 193 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity)

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: 28,670,1965

Hazard Codes	Xn:Harmful;
Risk Phrases	R22;R36/37/38
Safety Phrases	S37/39-S26
RTECS	UQ7950000
HS Code	2933199090

Precursor 10
CAS#:1131-80-2 (E)-3-(Dimethyl... CAS#:104-55-2 Cinnamaldehyde CAS#:288-13-1 Pyrazole CAS#:591-50-4 Iodobenzene
CAS#:1072-63-5 Vinylimidazole CAS#:100-52-7 Benzaldehyde CAS#:126335-03-3 3-[(4-amino-1,2... CAS#:19459-97-3 3-phenyl-(E)-2-...
CAS#:197093-33-7 3-phenyl-1-(tol... CAS#:536-74-3 Phenylacetylene
DownStream 7
CAS#:105994-55-6 4-Bromo-1-methy... CAS#:20583-31-7 3-(4-Nitropheny... CAS#:3463-27-2 1-METHYL-5-PHEN... CAS#:3463-26-1 1-Methyl-3-phen...
CAS#:175442-52-1 1-[bis(3-phenyl... CAS#:99214-46-7 4-phenyltriazine CAS#:65-85-0 benzoic acid

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%

5-Phenyl-1H-pyrazole

3-phenyl-pyrazole

1H-Pyrazole,3-phenyl

1H-Pyrazole, 5-phenyl-

3-Phenylpyrazol

3-Phenyl-1H-Pyrazole

3-benzylpyrazole

3(5)-Phenyl-1H-pyrazole

EINECS 222-099-1

5-phenylpyrazole

PYRAZOLE,3-PHENYL

3-Phenylpyrazole

MFCD00159654

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

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 5-Phenyl-1H-pyrazole
Price: ￥88.0/1g ￥158.0/5g ￥538.0/25g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Phenyl-1H-pyrazole
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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MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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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.