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B24265 1-Bromo-2,3,5,6-tetrafluorobenzene, 98%

CAS Number
1559-88-2
Synonyms
3-Bromo-1,2,4,5-tetrafluorobenzene
2,3,5,6-Tetrafluorobromobenzene

1-Bromo-2,3,5,6-tetrafluorobenzene, 98%

MDL
MFCD00000308
EINECS
216-327-9

Chemical Properties

Formula
C6HBrF4
Formula Weight
228.98
Boiling Point
142-144°
Flash Point
53°(129°F)
Density
1.883
Refractive Index
1.4690
Storage & Sensitivity
Ambient temperatures.
Solubility
Not miscible or difficult to mix in water.

Applications

1-Bromo-2,3,5,6-tetrafluorobenzene is used to produce 1,2,4,5-tetrafluoro-3-hept-1-ynyl-benzene. It is also used as a pharmaceutical intermediate.

Notes

Store in a cool, dry place in tightly closed container. Incompatible with oxidizing agents.

Literature References

GB Deacon and DG Vince. Symmetrization of Bromobis(polyfluorophenyl)thallium(III) compounds with copper powder. Australian Journal of Chemistry. 1975, 28 (9), 1931 - 1941.

Zongjun Qiao; Hui Liu; Xiao Xiao; Yana Fu; Jianpeng Wei; Yuxue Li; and Xuefeng Jiang. Efficient Access to 1,4-Benzothiazine: Palladium-Catalyzed Double C-S Bond Formation Using Na2S2O3 as Sulfurating Reagent. Org. Lett. 2013, 15 (11), 2594-2597.

GHS Hazard and Precautionary Statements

Hazard Statements: H226-H302-H315-H319-H335

Flammable liquid and vapour. Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P261-P264b-P270-P271-P280-P301+P312-P303+P361+P353-P304+P340-P305+P351+P338-P312-P330-P332+P313-P337+P313-P363-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
3
Packing Group
III
Harmonized Tariff Code
2903.99
TSCA
No

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