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Key Documents

8.08261

Sigma-Aldrich

Trifluoroacetic anhydride

for synthesis

Synonym(s):

Trifluoroacetic anhydride, Bis(trifluoroacetic) anhydride, TFAA

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About This Item

Linear Formula:
(CF3CO)2O
CAS Number:
Molecular Weight:
210.03
MDL number:
UNSPSC Code:
12352106
EC Index Number:
206-982-9
NACRES:
NA.22

vapor pressure

405 hPa ( 20 °C)

Quality Level

Assay

≥99.0% (GC)

form

liquid

bp

40 °C/1013 hPa

mp

-65 °C

density

1.51 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4F6O3/c5-3(6,7)1(11)13-2(12)4(8,9)10

InChI key

QAEDZJGFFMLHHQ-UHFFFAOYSA-N

Application


  • Cascade Rearrangement: Nitro Group-Participating Syntheses of 1,2,5-Thiadiazoles and 1,2,4-Thiadiazolones.: This study explores the role of trifluoroacetic anhydride in the synthesis of thiadiazoles and thiadiazolones via a nitro group-participating cascade rearrangement, highlighting its utility in organic synthesis (Li et al., 2024).

  • Copper Loading-Controlled Selective Synthesis of 2,5-Bis(trifluoromethyl) and Monotrifluoromethyl-Substituted Oxazoles.: This research demonstrates the selective synthesis of trifluoromethyl-substituted oxazoles using trifluoroacetic anhydride, showcasing its versatility in controlling copper loading during reactions (Wu et al., 2024).

  • Wood Esterification by Fatty Acids Using Trifluoroacetic Anhydride as an Impelling Agent and Its Application for the Synthesis of a New Bioplastic.: The study presents a novel method for wood esterification using trifluoroacetic anhydride, facilitating the development of new bioplastic materials (Sejati et al., 2023).

  • Synthesis of alpha-Seleno Boronates via Diboration of Carbonyl Compounds.: This paper details the synthesis of alpha-seleno boronates using trifluoroacetic anhydride in the diboration of carbonyl compounds, emphasizing its reactivity and selectivity in chemical transformations (Paul et al., 2023).

  • Regioselective Synthesis of 3-Nitroindoles Under Non-Acidic and Non-Metallic Conditions.: The research highlights the use of trifluoroacetic anhydride in the regioselective synthesis of 3-nitroindoles, demonstrating its efficiency under non-acidic and non-metallic conditions (Zhang et al., 2023).

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.509 - 1.512
Identity (IR): passes test

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1A

Supplementary Hazards

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 2


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