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001230 - 1,1-Dibromo-3,3,3-trifluoroacetone

CAS Number 431-67-4 MDL Number MFCD00041362
Boiling Point 111-113° Melting Point
Density 1.98 Purity 98%
Molecular Formula C3HBr2F3O Molecular Weight 269.843
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1g £ 10.00 > 10
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25g £ 27.00 > 10
100g £ 103.00 > 10
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Hazards and Precautions


Hazard Statements

H314: Causes severe skin burns and eye damage.

Precautionary Statements

P260: Do not breathe .
P264: Wash hands thoroughly after handling.
P280: Wear .
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303 + P361 + P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P310: Immediately call a POISON CENTER or doctor/physician.
P321: Specific treatment (see . on this label).
P363: Wash contaminated clothing before reuse.
P405: Store locked up.
P501: Dispose of contents/container to local regulations.

Transport Hazards

UN Number 3265
Packing Group II
Shipping Name corrosive liquid, acidic, organic, n.o.s.
Sub Class
Limited Qty 0.5 L
Excepted Qty Inner(30g/mL)  Outer(500g/mL)
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Technical Information

A reagent for synthesis of trifluoromethyl heterocycles.1 Used in synthesis of CF3-substituted triarylethenes by stereoselective threefold cross-coupling reactions with aryl boronic acids,2 formation of trifluoropyruvaldehyde hydrate as a useful intermediate for the synthesis of a fused pyrazine derivative,3 and intramolecular Diels-Alder cycloaddition to S-methylthiosemicarbazide for preparing 3-methylthio-6-trifluoromethyl-1,2,4-triazine.4 Also employed in preparation of imidazolylpyrazolylvinylpyridines as inhibitors of ATP-protein kinase interactions,5 preparation of pyridazinone derivatives as herbicide intermediates,6 and  synthesis of 3,4-disubstituted pyrazole analogues as anti-tumor CDK inhibitors.7


1.        Indian J. Chem. Sect. B 198827B, 1051.
2.        Angew. Chem. Int. Ed. 200746, 8659.
3.        J. Org. Chem. 199358, 4033.
4.        Arch. Pharm.  1992325, 349.
5.        WO 2008048503 A2 200804242008
6.        EP 1371638 A1 20031217,  2003.
7.        Cancer Ther. 20043, 1427.