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96-63-9

Trifluoroacetic anhydride (TFAA) is a colorless, crystalline solid with the chemical formula C4F6O3. It is a derivative of trifluoroacetic acid, where two molecules of the acid are joined together through an anhydride linkage. TFAA is a highly reactive and potent reagent, widely used in organic synthesis, particularly for the acylation of various substrates, including amines, alcohols, and carboxylic acids. It is also employed in the preparation of pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its strong reactivity, TFAA requires careful handling and storage, as it can cause severe irritation or burns to the skin, eyes, and respiratory system.

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  • 96-63-9 Structure

  • Basic information

    1. Product Name: trifluoroacetic anhydride
    2. Synonyms: trifluoroacetic anhydride
    3. CAS NO:96-63-9
    4. Molecular Formula:
    5. Molecular Weight: 156.061
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 96-63-9.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: trifluoroacetic anhydride(CAS DataBase Reference)
    10. NIST Chemistry Reference: trifluoroacetic anhydride(96-63-9)
    11. EPA Substance Registry System: trifluoroacetic anhydride(96-63-9)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 96-63-9(Hazardous Substances Data)

96-63-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 96-63-9 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 96-63:
(4*9)+(3*6)+(2*6)+(1*3)=69
69 % 10 = 9
So 96-63-9 is a valid CAS Registry Number.

96-63-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name Essigsaeure-trifluoressigsaeure-anhydrid

1.2 Other means of identification

Product number -
Other names AcOCOCF3

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:96-63-9 SDS

96-63-9Relevant articles and documents

High-yield, radical-initiated oxidative functionalization of ethane by perfluorocarboxylic acid anhydrides. Role of metal ions in catalytic alkane oxidations in the presence of perfluorocarboxylic acid anhydrides

Hogan, Terrence,Sen, Ayusman

, p. 2642 - 2646 (2007/10/03)

Hydrogen peroxide and a trace of either ethene or propene initiated the conversion of ethane to propionic acid and its mixed anhydride (CH3CH2CO2H + CH3CH2COOCOCF3) and trifluoromethyl ethyl ketone, CH3CH2COCF3, by trifluoroacetic anhydride at 80 °C. For a fixed amount of H2O2, the amount of products formed increased with increasing amount of trifluoroacetic anhydride employed and was always higher than the amount of H2O2 added. These products were also obtained when H2O2 was replaced by other radical initiators: m-chloroperbenzoic acid, azobisisobutyronitrile, and PbEt4. With PbEt4, ethene or propene was not required for product formation and close to 500 equiv of products was formed for every equivalent of PbEt4 employed! Longer chain perfluorocarboxylic acid anhydrides reacted analogously; however, as the R(f) group increased in length, a corresponding increase in mixed anhydride to ketone selectivity was observed. Methane gave very little product under the reaction conditions whereas propane underwent simple stoichiometric oxidation to 2-propanol and acetone by H2O2. The addition of (CF3CO2)2Pd to the ethane reaction resulted in simple oxidation to ethanol and acetaldehyde in amounts lower than that corresponding to the H2O2 present. In complete contrast to the ethane reaction, the yield of products from methane increased significantly (although less than the H2O2 added) upon the addition of (CF3CO2)2Pd, with methanol being the principal product.

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