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B20276 1,2-Dibromotetrachloroethane, 97%

CAS Number
630-25-1
Synonyms
1,2-Dibromo-1,1,2,2-tetrachloroethane
sym-Dibromotetrachloroethane

Stock No. Size Price ($) Quantity Availability
B20276-14 25g 33.60
B20276-22 100g 92.40
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1,2-Dibromotetrachloroethane, 97%

MDL
MFCD00000780
EINECS
211-136-7

Chemical Properties

Formula
BrCCl2CCl2Br
Formula Weight
325.65
Melting point
ca 220°(dec.)
Density
2.71
Storage & Sensitivity
Ambient temperatures.
Solubility
Insoluble in water.

Applications

1,2-dibromotetrachloroethane is used as a fire-proofing agent. It is actively involved in the conversion of sulfones to alkenes by Ramberg-Backlund rearrangement. It is an effective replacement for ozone depleting solvents like dibromodifluoromethane and tetrabromodifluoroethane. It is also utilized as a brominating reagent. In analytical chemistry, it is used in quantitative determination of perhalogenated compounds by high-performance liquid chromatography (HPLC).

Notes

Keep container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents.

Literature References

Reagent for the free-radical initiated allylic bromination of alkenes: Chem. Ind. (London), 1954 (1963).

Source of bromine, for example in reactions of aryllithiums to give the regiospecifically bromo substituted derivatives: Tetrahedron Lett., 36, 881 (1995).

/n

Jung, H. S.; Hwang, G. S.; Lee, S. I.; Ryu, D. H. Total Synthsis of (+)-Ambuic Acid: alpha-Bromination with 1, 2-Dibromotetrachloroethane. J. Org. Chem. 2012, 77 (5), 2513-2518.

Söderman, S. C.; Schwan, A. L. 1,2-Dibromotetrachloroethane: An Ozone-Friendly Reagent for the in Situ Ramberg-Bäcklund Rearrangement and Its Use in the Formal Synthesis of E-Resveratrol. J. Org. Chem. 2012, 77 (23), 10978-10984.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H315-H319-H335

Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P337+P313-P362-P501c

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: Wash with plenty of soap and water. 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: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
1699471
Harmonized Tariff Code
2903.78
TSCA
No
RTECS
KH9366000

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