Merck
All Photos(4)

302031

Sigma-Aldrich

三氟乙酸

suitable for HPLC, ≥99.0%

Synonym(s):
TFA
Linear Formula:
CF3COOH
CAS Number:
Molecular Weight:
114.02
Beilstein:
742035
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

蒸汽密度

3.9 (vs air)

质量水平

100

蒸汽压

97.5 mmHg ( 20 °C)

测定

≥99.0%

形式

liquid

technique(s)

HPLC: suitable
UV/Vis spectroscopy: suitable

杂质

<0.050% water

蒸发残留物

<0.005%

折射率

n20/D 1.3 (lit.)

pH值(酸碱度)

1 (20 °C, 10 g/L)

bp

72.4 °C (lit.)

mp

−15.4 °C (lit.)

溶解性

water: soluble

密度

1.489 g/mL at 20 °C (lit.)

λ

H2O reference

紫外吸收

λ: 260 nm Amax: 0.9
λ: 270 nm Amax: 0.10
λ: 280 nm Amax: 0.05
λ: 290 nm Amax: 0.04
λ: 300 nm Amax: 0.03
λ: 320 nm Amax: 0.025

application(s)

food and beverages

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

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应用

Appropriate for trace environmental analysis.
Used as a:
  • Mobile phase component in the estimation of chlorogenic acid and rutin in Rosaceae extracts by HPLC
  • Solvent to extract rabbit plasma, followed by HPLC purification of plasma protein content
  • Mobile phase solvent for separation of amino acids extracted from sediments, prior to HPLC analysis

包装

10×1 mL in ampule
100, 4×100 mL in glass bottle
1 L in glass bottle

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象形图

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警示用语:

Danger

危险声明

危险分类

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

储存分类代码

8A - Combustible, corrosive hazardous materials

WGK

WGK 2

闪点(F)

212.0 °F - Pensky-Martens closed cup

闪点(C)

> 100 °C - Pensky-Martens closed cup

Certificate of Analysis

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Certificate of Origin

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

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