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Merck
CN

302031

Sigma-Aldrich

三氟乙酸

suitable for HPLC, ≥99.0%

别名:

TFA

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线性分子式:
CF3COOH
化学文摘社编号:
76-05-1
分子量:
114.02
Beilstein:
742035
EC 号:
200-929-3
MDL编号:
MFCD00004169
UNSPSC代码:
12352106
PubChem化学物质编号:
329753348
NACRES:
NA.21

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蒸汽密度

3.9 (vs air)

质量水平

200

蒸汽压

97.5 mmHg ( 20 °C)

方案

≥99.0%

表单

liquid

技术

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)

沸点

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: 1.0
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

应用

food and beverages

SMILES字符串

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

用作：
  • 通过HPLC测定蔷薇科提取物中绿原酸和芦丁的流动相组分
  • 提取兔血浆的溶剂，然后用HPLC纯化血浆蛋白
  • 流动相溶剂，用于分离从沉积物中提取的氨基酸，然后进行HPLC分析

适用于环境痕量分析。

象形图

CorrosionExclamation mark
GHS05,GHS07

警示用语：

Danger

危险声明

H314,H332,H412

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

法规信息

危险化学品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCZ3475
MKCX6012
MKCX4843
STBL3253
STBL1439

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The most widely used ionization techniques in liquid chromatography-mass spectrometry (LC-MS) are electrospray ionization (ESI), atmospheric pressure chemical ionization (APCI) and atmospheric pressure photoionization (APPI). All three provide user friendly coupling of LC to MS. Achieving optimal LC-MS conditions is
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