4-Bromopyrazole

Modify Date: 2024-01-02 18:55:55

4-Bromopyrazole Structure
4-Bromopyrazole structure
 Common Name 4-Bromopyrazole
CAS Number 2075-45-8 Molecular Weight 146.97
Density 1.9±0.1 g/cm3 Boiling Point 255.0±0.0 °C at 760 mmHg
Molecular Formula C3H3BrN2 Melting Point 93-96 °C(lit.)
MSDS USA Flash Point 108.0±19.8 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Use of 4-Bromopyrazole


4-Bromopyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

 Names

Name 4-bromo-1H-pyrazole
Synonym More Synonyms

 4-Bromopyrazole Biological Activity

Description 4-Bromopyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog

 Chemical & Physical Properties

Density 1.9±0.1 g/cm3
Boiling Point 255.0±0.0 °C at 760 mmHg
Melting Point 93-96 °C(lit.)
Molecular Formula C3H3BrN2
Molecular Weight 146.97
Flash Point 108.0±19.8 °C
Exact Mass 145.947952
PSA 28.68000
LogP 1.44
Vapour Pressure 0.0±0.5 mmHg at 25°C
Index of Refraction 1.602

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ6200000
CHEMICAL NAME :
Pyrazole, 4-bromo-
CAS REGISTRY NUMBER :
2075-45-8
BEILSTEIN REFERENCE NO. :
0106510
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C3-H3-Br-N2
MOLECULAR WEIGHT :
146.99
WISWESSER LINE NOTATION :
T5MNJ DE

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 :
367 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
500 ug/plate
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 8,611,1986

 Safety Information

Symbol GHS07
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 UQ6200000
HS Code 2933199090

 Synthetic Route

Pyrazole structure

Pyrazole

CAS#:288-13-1

~99%

4-Bromopyrazole Structure

4-Bromopyrazole

CAS#:2075-45-8
Literature: BRISTOL-MYERS SQUIBB COMPANY; MOSLIN, Ryan M.; WEINSTEIN, David S.; WROBLESKI, Stephen T.; TOKARSKI, John S.; KUMAR, Amit Patent: WO2014/74661 A1, 2014 ; Location in patent: Paragraph 00249 ;
3,5-Pyrazoledicarboxylic acid monohydrate structure

3,5-Pyrazoledic...

CAS#:3112-31-0

~%

4-Bromopyrazole Structure

4-Bromopyrazole

CAS#:2075-45-8
Literature: Chemische Berichte, , vol. 28, p. 688 Journal fuer Praktische Chemie (Leipzig), , vol. <2> 53, p. 127
4-Bromo-1H-pyrazole-3-carboxylic acid structure

4-Bromo-1H-pyra...

CAS#:13745-17-0

~%

4-Bromopyrazole Structure

4-Bromopyrazole

CAS#:2075-45-8
Literature: Russian Journal of General Chemistry, , vol. 77, # 9 p. 1652 - 1653

 Customs

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%

 Articles8

More Articles
A general, practical palladium-catalyzed cyanation of (hetero)aryl chlorides and bromides.

Angew. Chem. Int. Ed. Engl. 52(38) , 10035-9, (2013)

Playing it safe: The nontoxic cyanide source K4 [Fe(CN)6]·3H2O can be used for the cyanation of (hetero)aryl halides. The application of palladacycle catalysts prevents poisoning during catalyst forma...
Structural Diversity in the Reaction of Mono- and Disubstituted Pyrazoles with Titanium Tetrachloride. Importance of Hydrogen Bonding and Trends in cis/trans Geometry of Binary Adducts with Unidentate Ligands.

Inorg. Chem. 36(20) , 4415-4420, (1997)

Treatment of titanium tetrachloride with 3,5-di-tert-butylpyrazole affords the complexes [3,5-(C(CH(3))(3))(2)C(3)H(3)N(2)](2)[TiCl(6)] and (3,5-(C(CH(3))(3))(2)C(3)HN(2))(2)TiCl(2) in 37 and 42% yiel...
Palladium(II) complexes of pyrazolated thio/selenoethers: syntheses, structures, single source precursors of Pd4Se and PdSe nano-particles and potential for catalyzing Suzuki-Miyaura coupling.

Dalton Trans. 42(11) , 3908-18, (2013)

The reactions of 4-bromo-1-(2-chloroethyl)-1H-pyrazole prepared from 4-bromopyrazole with the in situ generated PhSNa, PhSeNa, Na(2)S and Na(2)Se have resulted in thio/selenoether ligands L1-L4 respec...

 Synonyms

4-bromopyrazol
4-Bromopyrazole
T5MNJ DE
1H-Pyrazole,4-bromo
4-Bromo-1H-pyrazole
1H-Pyrazole, 4-bromo-
4-bromo-pyrazole
MFCD00075602
4-bromoimidazole
4,Br-pyrazole
4-Brompyrazole
PYRAZOLE,4-BROMO
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Chemsrc provides 4-Bromopyrazole(CAS#:2075-45-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 4-Bromopyrazole are included as well.>> amp version: 4-Bromopyrazole

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