Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Bromo-3,5-dimethylpyrazole
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-Bromo-3,5-dimethylpyrazole
Price: ￥88.0/5g ￥138.0/25g ￥398.0/100g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Bromo-3,5-dimethylpyrazole
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3398-16-1

3398-16-1 structure

3398-16-1 structure

Name: 4-Bromo-3,5-dimethylpyrazole
Chemical Name: 4-bromo-3,5-dimethyl-1H-pyrazole
CAS Number: 3398-16-1
Molecular Formula: C₅H₇BrN₂
Molecular Weight: 175.03
Create Date: 2018-05-31 08:00:00
Modify Date: 2025-08-26 12:39:29
4-Bromo-3,5-dimethylpyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

Name	4-bromo-3,5-dimethyl-1H-pyrazole
Synonyms	MFCD00005242 3,5-Dimethyl-4-bromopyrazole 3,5-dimethyl-4-bromo-pyrazol Pyrazole,4-bromo-3,5-dimethyl 4-BroMo-3,5-diMethylpyrazole EINECS 222-263-2 GF 12 4-bromo-3,5-dimethyl-1H-prazole 1H-Pyrazole, 4-bromo-3,5-dimethyl- 4-Bromo-3,5-dimethyl-1H-pyrazole

Description	4-Bromo-3,5-dimethylpyrazole 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

Density	1.6±0.1 g/cm3
Boiling Point	269.1±35.0 °C at 760 mmHg
Melting Point	123-125 °C(lit.)
Molecular Formula	C₅H₇BrN₂
Molecular Weight	175.03
Flash Point	116.5±25.9 °C
Exact Mass	173.979248
PSA	28.68000
LogP	2.36
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.572

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ6210000

CHEMICAL NAME :: Pyrazole, 4-bromo-3,5-dimethyl-

CAS REGISTRY NUMBER :: 3398-16-1

BEILSTEIN REFERENCE NO. :: 0108534

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H7-Br-N2

MOLECULAR WEIGHT :: 175.05

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 580 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

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-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UQ6210000
HS Code	2933199090

Precursor 10
67-51-6 51108-53-3 130874-32-7 84691-20-3
30169-25-6 67940-38-9 64-17-5 32551-34-1
270588-85-7 934-48-5
DownStream 5
28188-06-9 844891-04-9 847818-62-6 130874-32-7
15801-69-1

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%

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