2,6-Dibromopyrazine

Modify Date: 2024-01-02 11:29:28

2,6-Dibromopyrazine Structure
2,6-Dibromopyrazine structure
Common Name 2,6-Dibromopyrazine
CAS Number 23229-25-6 Molecular Weight 237.880
Density 2.2±0.1 g/cm3 Boiling Point 233.6±35.0 °C at 760 mmHg
Molecular Formula C4H2Br2N2 Melting Point 51.0 to 55.0 °C
MSDS N/A Flash Point 95.1±25.9 °C

 Names

Name 2,6-Dibromopyrazine
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.2±0.1 g/cm3
Boiling Point 233.6±35.0 °C at 760 mmHg
Melting Point 51.0 to 55.0 °C
Molecular Formula C4H2Br2N2
Molecular Weight 237.880
Flash Point 95.1±25.9 °C
Exact Mass 235.858459
PSA 25.78000
LogP 1.79
Appearance of Characters Crystalline Solid | Off-white to pale brown
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.616
Water Solubility Slightly soluble in water.

 MSDS

Material Safety Data Sheet

Section1. Identification of the substance
2,6-Dibromopyrazine
Product Name:
Synonyms:

Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
H315:Causes skin irritation
H319:Causes serious eye irritation
H335:May cause respiratory irritation
P261:Avoid breathing dust/fume/gas/mist/vapours/spray
Wear protective gloves/protective clothing/eye protection/face protection
P280:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
and easy to do – continue rinsing
P304+P340:IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P405:Store locked up

Section3. Composition/information on ingredients.
2,6-Dibromopyrazine
Ingredient name:
CAS number:23229-25-6

Section4. First aid measures
Immediately wash skin with copious amounts of water for at least 15 minutes while removing
Skin contact:
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.
Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
Ingestion:

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.
Storage:Store in closed vessels.

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
Not specified
Appearance:
Boiling point:No data
Melting point:No data
Flash point:No data
Density:No data
Molecular formula:C4H2Br2N2
Molecular weight:237.9

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

 Safety Information

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

~%

2,6-Dibromopyrazine Structure

2,6-Dibromopyrazine

CAS#:23229-25-6

Literature: WO2005/28444 A1, ; Page/Page column 66 ; WO 2005/028444 A1

~%

2,6-Dibromopyrazine Structure

2,6-Dibromopyrazine

CAS#:23229-25-6

Literature: Journal of the American Chemical Society, , vol. 68, p. 400

~%

2,6-Dibromopyrazine Structure

2,6-Dibromopyrazine

CAS#:23229-25-6

Literature: US2524431 , ; US2540476 , ;

~%

2,6-Dibromopyrazine Structure

2,6-Dibromopyrazine

CAS#:23229-25-6

Literature: US2573268 , ;

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2,6-Dibrom-pyrazin
Pyrazine, 2,6-dibromo-
2,5-DI(2-AMINOPHENYL)THIOPHENE
2,6-dibromo-pyrazine
2,6-Dibromopyrazine
pyrazine,2,6-dibromo
2,5-Dibromopyrazine
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