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6305-43-7 - 1,4-Dibromo-2,3-butanedione, 98% - alpha,alpha'-Dibromobiacetyl - 1,4-Dibromodiacetyl - B25170 - Alfa Aesar

B25170 1,4-Dibromo-2,3-butanedione, 98%

CAS Number
6305-43-7
Synonyms
alpha,alpha'-Dibromobiacetyl
1,4-Dibromodiacetyl

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1,4-Dibromo-2,3-butanedione, 98%

MDL
MFCD00000205
EINECS
228-615-1

Chemical Properties

Formula
C4H4Br2O2
Formula Weight
243.89
Melting point
116-119°
Solubility
Insoluble in water.

Applications

1,4-Dibromo-2,3-butanedione is used in refluxing methanol yielded a new chiral pyridylthiazole ligand. It is also used as pharmaceutical intermediate.

Notes

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible materials are oxidizing agents and bases.

Literature References

Chui-Shan Tsang; Ho-Lun Yeung; Wing-Tak Wong; Hoi-Lun Kwong. Diastereoselective formation of a dicopper(i) helicate with a chiral tetradentate pyridylthiazole ligand. Chemical Communications.2009, (15), 1999-2001.

M.H.J. Wijnen. The liquid phase photolysis of 1,4-dibromo-2,3-butanedione. Journal of Photochemistry.1980, 12, 133-138.

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H314-H318

Toxic if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements: P260-P280-P301+P310-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. Do NOT induce vomiting. 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.

Other References

Beilstein
970154
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2914.70
TSCA
Yes
RTECS
EK2850000

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