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8.08260

Trifluoroacetic acid

for synthesis

Synonym(s):

TFA

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About This Item

Linear Formula:
CF3COOH
CAS Number:
76-05-1
Molecular Weight:
114.02
UNSPSC Code:
12352106
NACRES:
NA.22
EC Index Number:
200-929-3
MDL number:
MFCD00004169
Beilstein/REAXYS Number:
742035
Assay:
≥99% (acidimetric)
Grade:
synthesis grade
Bp:
72.4 °C (lit.)
Vapor pressure:
97.5 mmHg ( 20 °C)
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grade

synthesis grade

Quality Level

200

vapor density

3.9 (vs air)

vapor pressure

97.5 mmHg ( 20 °C)

assay

≥99% (acidimetric)

form

liquid

dilution

(for synthesis)

refractive index

n20/D 1.3 (lit.)

pH

1 (10 g/L in H2O)

bp

72.4 °C (lit.)

mp

−15.4 °C (lit.)

solubility

soluble 10 g/mL

density

1.489 g/mL at 20 °C (lit.)

storage temp.

2-30°C

SMILES string

OC(C(F)(F)F)=O

InChI

1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)

InChI key

DTQVDTLACAAQTR-UHFFFAOYSA-N

General description

Trifluoroacetic acid is widely used in organic synthesis as a solvent, catalyst and reagent. It is a strong acid and low boiling point reagent. It can be used as a catalyst for a variety of reactions such as rearrangements, functional group deprotections, oxidations, reductions, condensations, hydroarylations and trifluoromethylations.

Application

Trifluoroacetic acid can be used as a catalyst

  • In the direct conversion of cyclohexanone to caprolactam using acetonitrile as the additive.
  • In the synthesis of 1,2,4,5-tetrasubstituted imidazoles by four-component condensation of benzil, aldehydes, amines, and ammonium acetate.
Trifluoroacetic acid can also be used
  • In the synthesis of d-α-Tterpineo from d-limonene by Markovnikov addition followed by hydrolysis.

Features and Benefits

Trifluoroacetic acid can be used as a catalyst due to its
  • High acidity
  • Easy elimination
  • Good solubility in organic solvent and in water.

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Density (d 20 °C/ 4 °C): 1.487 - 1.490
Identity (IR): passes test

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pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 2

Regulatory Information

危险化学品

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Protocols

Fmoc Resin Cleavage and Deprotection

Fmoc resin cleavage and deprotection are crucial steps for peptide synthesis, yielding the desired peptide after resin detachment.

Global Trade Item Number

SKUGTIN
808260002604027269250652
808260100104054839448881
808260902504027269147785
808260010104054839446597
808260050104054839451539
808260250104054839449628