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2075-45-8

2075-45-8 structure
2075-45-8 structure
  • Name: 4-Bromopyrazole
  • Chemical Name: 4-bromo-1H-pyrazole
  • CAS Number: 2075-45-8
  • Molecular Formula: C3H3BrN2
  • Molecular Weight: 146.97
  • Catalog: Pharmaceutical intermediate API intermediate
  • Create Date: 2018-09-13 16:23:24
  • Modify Date: 2025-08-25 17:40:01
  • 4-Bromopyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Name 4-bromo-1H-pyrazole
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
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
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

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
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
288-13-1 structure

288-13-1

~99%

2075-45-8 structure

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 ;
3112-31-0 structure

3112-31-0

~%

2075-45-8 structure

2075-45-8

Literature: Chemische Berichte, , vol. 28, p. 688 Journal fuer Praktische Chemie (Leipzig), , vol. <2> 53, p. 127
13745-17-0 structure

13745-17-0

~%

2075-45-8 structure

2075-45-8

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