3,5-Dimethylpyrazole

Modify Date: 2025-08-20 18:52:20

3,5-Dimethylpyrazole structure	Common Name	3,5-Dimethylpyrazole
	CAS Number	67-51-6	Molecular Weight	96.130
	Density	1.0±0.1 g/cm3	Boiling Point	218.0±0.0 °C at 760 mmHg
	Molecular Formula	C₅H₈N₂	Melting Point	105-108 °C(lit.)
	MSDS	Chinese USA	Flash Point	90.5±11.7 °C
	Symbol	GHS07	Signal Word	Warning

Name	3,5-Dimethylpyrazole
Synonym	More Synonyms

Density	1.0±0.1 g/cm3
Boiling Point	218.0±0.0 °C at 760 mmHg
Melting Point	105-108 °C(lit.)
Molecular Formula	C₅H₈N₂
Molecular Weight	96.130
Flash Point	90.5±11.7 °C
Exact Mass	96.068748
PSA	28.68000
LogP	1.24
Vapour Pressure	0.2±0.4 mmHg at 25°C
Index of Refraction	1.520
Water Solubility	methanol: 0.1 g/mL, clear

3,5-Dimethylpyrazole MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ6477600

CHEMICAL NAME :: Pyrazole, 3,5-dimethyl-

CAS REGISTRY NUMBER :: 67-51-6

BEILSTEIN REFERENCE NO. :: 0106325

LAST UPDATED :: 199709

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C5-H8-N2

MOLECULAR WEIGHT :: 96.15

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >500 mg/kg

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

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,23,1953

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1060 mg/kg

TOXIC EFFECTS :: Behavioral - general anesthetic Behavioral - ataxia

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 25(10),56,1981

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 570 mg/kg

TOXIC EFFECTS :: Behavioral - changes in motor activity (specific assay)

REFERENCE :: DPHFAK Dissertationes Pharmaceuticae et Pharmacologicae. (Warsaw, Poland) V.18-24, 1966-72. For publisher information, see PJPPAA. Volume(issue)/page/year: 18,19,1966 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1620 No. of Facilities: 89 (estimated) No. of Industries: 5 No. of Occupations: 7 No. of Employees: 315 (estimated) No. of Female Employees: 109 (estimated)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful
Risk Phrases	R22;R36/37/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UQ6477600
HS Code	2933199090

Precursor 9
CAS#:123-54-6 2,4-Pentandione CAS#:13369-74-9 1-Allyl-3,5-Dim... CAS#:7727-37-9 Nitrogen CAS#:511513-24-9 N-(2-p-toluenes...
CAS#:600-14-6 2,3-Pentanedione CAS#:30169-25-6 3,6-Bis(3,5-dim... CAS#:300-87-8 3,5-Dimethyliso... CAS#:106-47-8 4-Chloroaniline
CAS#:934-48-5 3,5-dimethylpyr...
DownStream 10
CAS#:104599-37-3 3,4-DIBROMO-5-N... CAS#:4077-76-3 Dimethyl 1H-pyr... CAS#:3398-16-1 4-Bromo-3,5-dim... CAS#:5589-97-9 3-(3,5-DIMETHYL...
CAS#:36140-83-7 1H-Pyrazole-1-p... CAS#:40027-64-3 3,5-dimethylpyr... CAS#:3112-31-0 3,5-Pyrazoledic... CAS#:37687-24-4 3,5-Pyrazoledic...
CAS#:142179-08-6 (1H-pyrazole-3,... CAS#:94230-83-8 (4-bromo-3,5-di...

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%

Stimulation of autophagy by antilipolytic drugs may rescue rodents from age-associated hypercholesterolemia.

Rejuvenation Res. 12(2) , 77-84, (2009)

Aging is characterized by several metabolic changes responsible for the decline of certain functions and the appearance of age-related diseases, including hypercholesterolemia, which is the main risk ...

Vibrational spectra of 3,5-dimethylpyrazole and deuterated derivatives.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 56A(8) , 1469-98, (2000)

The infrared (IR) and Raman spectra of 3,5-dimethylpyrazole have been recorded in the vapor, liquid (melt and solution) and solid states. Two deuterated derivatives, C5H7N-ND and C5D7N-NH, were also s...

Effects of antilipolytic agents on peroxisomal beta-oxidation of fatty acids in rat liver.

Biochem. Pharmacol. 32(11) , 1807-9, (1983)

MFCD00005243

EINECS 200-657-5

3,5-Dimethyl-1H-pyrazole

1H-Pyrazole, 3,5-dimethyl-

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,5-Dimethylpyrazole
Price: Check
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3,5-Dimethylpyrazole
Price: ￥248.0/500g ￥88.0/100g
Purity: 95.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,5-Dimethylpyrazole
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 3,5-Dimethylpyrazole
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
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Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 3,5-Dimethylpyrazole
Price: ￥Inquiry/25kg ￥Inquiry/200kg ￥Inquiry/1000kg ￥Inquiry/10000kg
Purity: 99.9%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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3,5-Dimethylpyrazole

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