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Merck
CN

00922

Supelco

二氟乙酸

for LC-MS LiChropur, ≥97.5% (GC)

别名:

DFA

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About This Item

线性分子式:
F2CHCO2H
CAS号:
分子量:
96.03
Beilstein:
1098588
MDL编号:
UNSPSC代码:
41116004
NACRES:
NB.21

检测方案

≥97.5% (GC)
97.5-102.5% (T)

技术

LC/MS: suitable

折射率

n20/D 1.344 (lit.)

bp

132-134 °C (lit.)

mp

−1 °C (lit.)

密度

1.526 g/mL at 25 °C (lit.)

痕量阳离子

Al: ≤5 ppm
Ca: ≤20 ppm
Cu: ≤5 ppm
Fe: ≤2 ppm
K: ≤50 ppm
Mg: ≤5 ppm
Na: ≤50 ppm

适用性

passes test for LC-MS

SMILES字符串

OC(=O)C(F)F

InChI

1S/C2H2F2O2/c3-1(4)2(5)6/h1H,(H,5,6)

InChI key

PBWZKZYHONABLN-UHFFFAOYSA-N

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相关类别

一般描述

与三氟乙酸(TFA)相比,二氟乙酸(DFA)在质谱检测(ESI)中表现出更高的灵敏度,因为它对反相液相色谱(RPLC-MS)中的离子抑制作用降低,同时保持其强大的色谱性能增强效果。

二氟乙酸用于液相色谱-质谱法。它是一种易挥发、低分子量有机酸,可提高许多分子的电离性和分辨率。

应用

二氟乙酸可用作:
  • 液相色谱(LC)实验中的酸化剂。
  • 完整药用糖蛋白HILIC-MS(亲水相互作用液相色谱-质谱法)分析中的离子对试剂。

推荐产品

Discover LiChropur 试剂最适于HPLCLC-MS分析

法律信息

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

象形图

CorrosionExclamation mark

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

WGK

WGK 3

闪点(°F)

closed cup

闪点(°C)

closed cup


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分析证书(COA)

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