4-Bromoimidazole

Modify Date: 2025-08-24 19:44:58

4-Bromoimidazole Structure
4-Bromoimidazole structure
 Common Name 4-Bromoimidazole
CAS Number 2302-25-2 Molecular Weight 146.97
Density 1.9±0.1 g/cm3 Boiling Point 324.7±15.0 °C at 760 mmHg
Molecular Formula C3H3BrN2 Melting Point 131-135 °C(lit.)
MSDS Chinese USA Flash Point 150.2±20.4 °C
Symbol GHS06
GHS06		 Signal Word Danger

 Use of 4-Bromoimidazole


4-Bromo-1H-imidazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

 Names

Name 5-bromo-1H-imidazole
Synonym More Synonyms

 4-Bromoimidazole Biological Activity

Description 4-Bromo-1H-imidazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog
In Vitro 用作有机合成、农药、医药、染料等领域的重要原料中间体

 Chemical & Physical Properties

Density 1.9±0.1 g/cm3
Boiling Point 324.7±15.0 °C at 760 mmHg
Melting Point 131-135 °C(lit.)
Molecular Formula C3H3BrN2
Molecular Weight 146.97
Flash Point 150.2±20.4 °C
Exact Mass 145.947952
PSA 28.68000
LogP 0.97
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.602

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NI3517450
CHEMICAL NAME :
1H-Imidazole, 4-bromo-
CAS REGISTRY NUMBER :
2302-25-2
LAST UPDATED :
199609
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C3-H3-Br-N2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Gastrointestinal - other changes Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 89,175,1987

 Safety Information

Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H301-H315-H319-H335
Precautionary Statements P261-P301 + P310-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes T:Toxic;
Risk Phrases R25;R36/37/38
Safety Phrases S26-S36-S45-S37/39-S28A
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
RTECS NI3517450
Hazard Class 6.1
HS Code 2933290090

 Synthetic Route

Imidazole structure

Imidazole

CAS#:288-32-4

~40%

4,5-Dibromo-1H-imidazole structure

4,5-Dibromo-1H-...

CAS#:2302-30-9

2,4,5-Tribromoimidazole structure

2,4,5-Tribromoi...

CAS#:2034-22-2

4-Bromoimidazole Structure

4-Bromoimidazole

CAS#:2302-25-2

Literature: Palmer, Brian D.; Denny, William A. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1989 , p. 95 - 99
2,4,5-Tribromoimidazole structure

2,4,5-Tribromoi...

CAS#:2034-22-2

~%

4-Bromoimidazole Structure

4-Bromoimidazole

CAS#:2302-25-2

Literature: Journal of the Chemical Society, , vol. 121, p. 952
Imidazole structure

Imidazole

CAS#:288-32-4

1,3-Dibromo-5,5-dimethylhydantoin structure

1,3-Dibromo-5,5...

CAS#:77-48-5

~20%

4-Bromoimidazole Structure

4-Bromoimidazole

CAS#:2302-25-2

5,5-Dimethylimidazolidine-2,4-dione structure

5,5-Dimethylimi...

CAS#:77-71-4

Literature: Advanced Synthesis and Catalysis, , vol. 355, # 2-3 p. 499 - 507
4,5-Dibromo-1H-imidazole structure

4,5-Dibromo-1H-...

CAS#:2302-30-9

~%

4-Bromoimidazole Structure

4-Bromoimidazole

CAS#:2302-25-2

Literature: Journal of the Chemical Society, , vol. 121, p. 952
2,4-Dibromo-1H-imidazole structure

2,4-Dibromo-1H-...

CAS#:64591-03-3

~%

4-Bromoimidazole Structure

4-Bromoimidazole

CAS#:2302-25-2

Literature: Journal of the Chemical Society, , vol. 121, p. 952
5-bromo-1(3)H-imidazole-4-carboxylic acid-(4-bromo-anilide) structure

5-bromo-1(3)H-i...

CAS#:861362-49-4

~%

4-Bromoimidazole Structure

4-Bromoimidazole

CAS#:2302-25-2

Literature: Journal of the Chemical Society, , vol. 123, p. 627,628
Hydrochloric acid structure

Hydrochloric acid

CAS#:7647-01-0

5-bromo-1(3)H-imidazole-4-sulfonic acid structure

5-bromo-1(3)H-i...

CAS#:116081-72-2

~%

4-Bromoimidazole Structure

4-Bromoimidazole

CAS#:2302-25-2

Sulfuric acid structure

Sulfuric acid

CAS#:7664-93-9

Literature: Journal of the Chemical Society, , vol. 121, p. 952
4,5-Dibromo-1H-imidazole structure

4,5-Dibromo-1H-...

CAS#:2302-30-9

Water structure

Water

CAS#:7732-18-5

~%

4-Bromoimidazole Structure

4-Bromoimidazole

CAS#:2302-25-2

Literature: Journal of the Chemical Society, , vol. 121, p. 952
2,4,5-Tribromoimidazole structure

2,4,5-Tribromoi...

CAS#:2034-22-2

Water structure

Water

CAS#:7732-18-5

~%

Imidazole structure

Imidazole

CAS#:288-32-4

4,5-Dibromo-1H-imidazole structure

4,5-Dibromo-1H-...

CAS#:2302-30-9

Detail
Literature: Journal of the Chemical Society, , vol. 121, p. 952

 Customs

HS Code 2933290090
Summary 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles3

More Articles
Crystal structure of 4-bromo-1H-imidazole, at 200 K, C3H3BrN2. Hosten EC and Betz R.

Zeitsch. für Kristall. 230(1) , 27-28, (2015)

Efficient synthesis of DNA containing the guanine oxidation-nitration product 5-guanidino-4-nitroimidazole: Generation by a postsynthetic substitution reaction. Neeley WL, et al.

Org. Lett. 6(2) , 245-248, (2004)

Palladium-catalyzed amination of unprotected five-membered heterocyclic bromides. Su M, et al.

Org. Lett. 16(3) , 832-835, (2014)

 Synonyms

Imidazole,4-bromo
1H-Imidazole,4-bromo
4-Bromoimidazole
4-Bromo-1H-imidazol
MFCD00047021
1H-Imidazole, 5-bromo-
3kqm
4-Bromo-1H-imidazole
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