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Merck

8.08260

Trifluoroacetic acid

for synthesis

동의어(들):

TFA

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
CF3COOH
CAS 번호:
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
Grade:
synthesis grade
Assay:
≥99% (acidimetric)
Bp:
72.4 °C (lit.)
Vapor pressure:
97.5 mmHg ( 20 °C)

주요 문서

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제품 이름

Trifluoroacetic acid, for synthesis

InChI

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

SMILES string

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

InChI key

DTQVDTLACAAQTR-UHFFFAOYSA-N

grade

synthesis grade

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

Quality Level

200

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관련 카테고리

Analysis Note

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

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.

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.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

저장 등급

8A - Combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

>212.0 °F - Pensky-Martens closed cup

flash_point_c

> 100 °C - Pensky-Martens closed cup

시험 성적서(COA)

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문서 라이브러리 방문

A Practical Synthesis of?d-?-Terpineol via Markovnikov Addition of?d-Limonene Using Trifluoroacetic Acid
Yuasa Y, et al.
Organic Process Research & Development, 10(6), 1231-1232 (2006)
Trifluoroacetic acid: Uses and recent applications in organic synthesis
Lopez SE, et al.
Journal of Fluorine Chemistry, 156, 73-100 (2013)
Trifluoroacetic acid as an efficient catalyst for one-pot, four-component synthesis of 1, 2, 4, 5-tetrasubstituted imidazoles under microwave-assisted, solvent-free conditions
Mohammadizadeh MR, et al.
Synthetic Communications, 39(18), 3232-3242 (2009)

프로토콜

Fmoc Resin Cleavage and Deprotection

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

국제 무역 품목 번호

SKUGTIN
8.08260.002604027269250652
8.08260.100104054839448881
8.08260.050104054839451539
8.08260.250104054839449628
8.08260.010104054839446597

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