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001272

001272-1g



Trifluoroacetic anhydride


CAS Number: 407-25-0
   
Molecular Formula: C4F6O3
   
Molecular Weight: 210.03
   
MDL Number: MFCD00000416

Special Handling and Safety: Hazardous for shipment

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001272-1g
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001272-5g
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001272-10g
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001272-25g
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001272-100g
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001272-1kg
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001272-2.5Kg
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Purity:99.5%
Bp:39.5-40°
Mp:-65°
Density:1.487
 
Pictograms:
Signal Word:Danger
Hazard Statements:H290, H314, H318, H332, H402, H412, EUH014
Precautionary Statements:P280, P310, P305 + P351 + P338
UN#:UN3265
Packing Group:I
Hazard Class:8
RTECS:AJ9800000
SDS: See MSDS
 
Excepted Quantities:Not Permitted as Excepted Quantity

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Abbreviated as TFAA. A reagent to introduce a trifluoromethyl group into an organic compounds. A trifluoroacetylating agent for protection of alcohols and amines, often used in trifluoacylation reactions like o-acylation, n-acylation or c-trifluoro-acylation.1 Applied as a catalyst in a smooth and efficient oxidation of isonitriles to isocyanates by sulfoxides,2 and for activating N,N'-di-Boc-substituted thiourea to thioacylate nucleophiles, such as amines, alcohols, thiols, sodium benzene­thiolate, and sodium malonates.3 Also used in synthesis of [1,2,4]Triazolo[1,5- a]pyridines,4 oxidation of alkyl aryl ketones to α-hydroxyalkyl aryl ketones in good yield 5 and catalyzing a highly enantioselective rearrangement of β-amino alcohols.6
References
1.        Tetrahedron 198743, 5583.
2.        Org. Lett. 201113, 2584.
3.        Synthesis 2010, 991.
4.        J. Org. Chem. 200570, 3761.
5.        Synthesis2008, 3205.
6.        J. Org. Chem.200772, 6556.

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