Merck
All Photos(1)

900666

Sigma-Aldrich

Bruker 标准溶剂

suitable for MALDI-MS, 50% ACN + 47.5% H2O + 2.5% TFA

Synonym(s):
三氟乙酸 溶液, H2O/ACN 中的 TFA, TFA
Linear Formula:
CF3COOH
CAS Number:
Molecular Weight:
114.02
Beilstein:
5446934
MDL编号:

蒸汽密度

3.9 (vs air)

质量水平

100

蒸汽压

97.5 mmHg

形式

liquid

包含

2.5% trifluoroacetic acid
47.5% H2O
50% acetonitrile

technique(s)

MALDI-MS: suitable

bp

72.4 °C (lit.)

mp

-15 °C (lit.)

密度

0.921 at 25 °C

痕量阳离子

Ba: ≤5 ppm
Ca: ≤20 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤20 ppm
K: ≤20 ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Na: ≤20 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Zn: ≤5 ppm

SMILES string

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

InChI

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

InChI key

DTQVDTLACAAQTR-UHFFFAOYSA-N

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Related Categories

一般描述

三氟乙酸(TFA)是非水溶剂。在室温下,TFA 有能力液化天然纤维素和液化再生纤维素。[1]

包装

100, 250 mL in glass bottle

生化/生理作用

三氟乙酸(TFA)是19F NMR内部化学位移参照剂的首选。[2]

象形图

FlameExclamation mark

警示用语:

Danger

危险分类

Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(F)

44.6 °F

闪点(C)

7 °C

Certificate of Analysis

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Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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