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Alfa Aesar™ 2,4,4,6-Tetrabromo-2,5-cyclohexadienone, 90+%

$52.34 - $180.09

Chemical Identifiers

Chemical Name or Material 2,4,4,6-Tetrabromo-2,5-cyclohexadienone
CAS 20244-61-5
Molecular Formula C6H2Br4O
Formula Weight 409.7
MDL Number MFCD00001589
Beilstein 2048028
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL0015206

  SDS
alfa aesar™
L0015206
5g Each for $52.34

AAL0015214

  SDS
alfa aesar™
L0015214
25g Each for $180.09
Description & Specifications

Specifications

Formula Weight 409.7
Chemical Name or Material 2,4,4,6-Tetrabromo-2,5-cyclohexadienone
Assay ≥90%
Molecular Formula C6H2Br4O
CAS 20244-61-5
Health Hazard 1 Warning
Health Hazard 2 GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
MDL Number MFCD00001589
Beilstein 2048028
Health Hazard 3 GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Melting Point ≈125°C
Quantity 5g
Recommended Storage 2° to 8°C

Applications
In combination with PPh3, can be used to convert alcohols and THP ethers to bromides with inversion of configuration. It is a versatile catalyst for acetalization and transacetalization of carbonyl compounds, preparation of acetonides from epoxides, and acylals from aldehydes. It is employed for selective monobromination of imidazoles and indoles

Solubility
Insoluble in water.

Notes
Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

Safety and Handling

Warning

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

2° to 8°C