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33070-32-5 - 5-Bromo-2,2-difluoro-1,3-benzodioxole, 97% - 4-Bromo-1,2-[(difluoromethylene)dioxy]benzene - 3,4-[(Difluoromethylene)dioxy]bromobenzene - B23661 - Alfa Aesar

B23661 5-Bromo-2,2-difluoro-1,3-benzodioxole, 97%

CAS Number
33070-32-5
Synonyms
4-Bromo-1,2-[(difluoromethylene)dioxy]benzene
3,4-[(Difluoromethylene)dioxy]bromobenzene

Size Price ($) Quantity Availability
1g 35.10
5g 98.20
25g 382.00
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5-Bromo-2,2-difluoro-1,3-benzodioxole, 97%

MDL
MFCD00236212

Chemical Properties

Formula
C7H3BrF2O2
Formula Weight
237.00
Boiling Point
78-79°/20mm
Density
1.740
Refractive Index
1.4967
Solubility
Miscible with hexane.

Applications

5-Bromo-2,2-difluoro-1,3- benzodioxole is used as a precursor in organic synthesis. It is used to prepare 5-bromo-2,2-difluoro-1,3-benzodioxole-4-carboxylic acid. It serves as an intermediate in active pharmaceutical ingredients, agrochemicals and in dyestuff field.

Notes

Light sensitive. Incompatible with strong oxidizing agents and strong acids.

Literature References

Genet, J. P.; Ayad, T.; Ratovelomanana-Vidal, V. Electron-Deficient Diphosphines: The Impact of DIFLUORPHOS in Asymmetric Catalysis. Chem. Rev. 2014, 114 (5), 2824-2880.

Leroux, F. R.; Simon, R.; Nicod, N. A Highly Efficient Low Temperature Modification of the Classical Ullmann Reaction. Lett. Org. Chem. 2006, 3 (12), 948-954.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319

Causes skin irritation. Causes serious eye irritation.

Precautionary Statements: P280a-P264-P305+P351+P338-P321-P332+P313-P337+P313

Wear protective gloves and eye/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment (see label). If skin irritation occurs: Get medical advice/attention. If eye irritation persists:

Other References

Beilstein
1425209
Harmonized Tariff Code
2932.99
TSCA
No

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