4,5-Dibromo-1H-imidazole

Modify Date: 2024-01-15 02:30:57

4,5-Dibromo-1H-imidazole Structure
4,5-Dibromo-1H-imidazole structure
Common Name 4,5-Dibromo-1H-imidazole
CAS Number 2302-30-9 Molecular Weight 225.86900
Density 2.419 Boiling Point 388.6ºC at 760mmHg
Molecular Formula C3H2Br2N2 Melting Point 214-216ºC
MSDS N/A Flash Point 188.8ºC

 Names

Name 4,5-Dibromo-1H-imidazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.419
Boiling Point 388.6ºC at 760mmHg
Melting Point 214-216ºC
Molecular Formula C3H2Br2N2
Molecular Weight 225.86900
Flash Point 188.8ºC
Exact Mass 223.85800
PSA 28.68000
LogP 1.93470
Vapour Pressure 0.001mmHg at 25°C
Index of Refraction 1.607

 MSDS

Material Safety Data Sheet

Section1. Identification of the substance
Product Name: 4,5-Dibromo-1H-imidazole
Synonyms:

Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.

Section3. Composition/information on ingredients.
Ingredient name:4,5-Dibromo-1H-imidazole
CAS number:2302-30-9

Section4. First aid measures
Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

Section5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Store in closed vessels.
Storage:

Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section9. Physical and chemical properties
Appearance:Not specified
Boiling point:No data
No data
Melting point:
Flash point:No data
Density:No data
Molecular formula:C3H2Br2N2
Molecular weight:225.9

Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides, hydrogen bromide.

Section11. Toxicological information
No data.

Section12. Ecological information
No data.

Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

Section14. Transportation information
Non-harzardous for air and ground transportation.

Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NI4740000
CHEMICAL NAME :
1H-Imidazole, 4,5-dibromo-
CAS REGISTRY NUMBER :
2302-30-9
BEILSTEIN REFERENCE NO. :
0108688
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C3-H2-Br2-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 :
>500 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

Hazard Codes Xi: Irritant;
Risk Phrases R20/21/22
Safety Phrases 26-36/37/39
HS Code 2933290090

 Synthetic Route

~87%

4,5-Dibromo-1H-imidazole Structure

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

CAS#:2302-30-9

Literature: Hartley, David J.; Iddon, Brian Tetrahedron Letters, 1997 , vol. 38, # 26 p. 4647 - 4650

~96%

4,5-Dibromo-1H-imidazole Structure

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

CAS#:2302-30-9

Literature: Sandtorv, Alexander H.; Bjorsvik, Hans-Rene Advanced Synthesis and Catalysis, 2013 , vol. 355, # 2-3 p. 499 - 507

~68%

4,5-Dibromo-1H-imidazole Structure

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

CAS#:2302-30-9

Literature: Iddon, Brian; Khan, Nazir; Lim, Bee Lan Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 1437 - 1444

~0%

4,5-Dibromo-1H-imidazole Structure

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

CAS#:2302-30-9

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

~77%

4,5-Dibromo-1H-imidazole Structure

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

CAS#:2302-30-9

Literature: Iddon, Brian; Khan, Nazir; Lim, Bee Lan Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 1437 - 1444

~%

4,5-Dibromo-1H-imidazole Structure

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

CAS#:2302-30-9

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

~%

4,5-Dibromo-1H-imidazole Structure

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

CAS#:2302-30-9

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

~%

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%

 Synonyms

4,5-Dibrom-1H-imidazol
4,5-dibromoimidazole
4,5-DIBROMOIMIDAZOLE
4,5-dibromo-1h-imidazol
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