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144584-66-7 - 4-Bromo-2,2-difluoro-1,3-benzodioxole, 97% - 1-Bromo-2,3-[(difluoromethylene)dioxy]benzene - 2,3-[(Difluoromethylene)dioxy]bromobenzene - B24389 - Alfa Aesar

B24389 4-Bromo-2,2-difluoro-1,3-benzodioxole, 97%

CAS Number
144584-66-7
Synonyms
1-Bromo-2,3-[(difluoromethylene)dioxy]benzene
2,3-[(Difluoromethylene)dioxy]bromobenzene

Size Price ($) Quantity Availability
1g 55.10
5g 202.00
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4-Bromo-2,2-difluoro-1,3-benzodioxole, 97%

MDL
MFCD01631385

Chemical Properties

Formula
C7H3BrF2O2
Formula Weight
237.00
Refractive Index
1.4968
Solubility
Slightly soluble in water.

Applications

4-Bromo-2,2-difluoro-1,3-benzodioxole is used as a pharmaceutical intermediate.

Notes

It is unstable under normal temperature. storage temperature is 2 - 4°C. Incompatible material is oxidizing agents.

Literature References

Joanna Gorecka; Frédéric Leroux and Manfred Schlosser. Deprotonation-Triggered Heavy-Halogen Migrations as a Key to the Structural Elaboration of 2,2-Difluoro-1,3-benzodioxole. European Journal of Organic Chemistry. 2004, 2004 (1), 64-68.

Joanna Gorecka-Kobylinska and Manfred Schlosser. Relative Basicities of ortho-, meta-, and para-Substituted Aryllithiums. J. Org. Chem. 2009, 74 (1), 222-229.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319

Causes skin irritation. Causes serious eye irritation.

Precautionary Statements: P280-P264-P305+P351+P338-P362-P321-P332+P313-P337+P313-P302+P352

Wear protective gloves/protective clothing/eye protection/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. Take off contaminated clothing and wash before reuse. Specific treatment (see label). If skin irritation occurs: Get medical advice/attention. If eye irritation persists: IF ON SKIN: Wash with plenty of soap and water.

Other References

Harmonized Tariff Code
2932.99
TSCA
No

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