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Merck
CN

00922

二氟乙酸

for LC-MS LiChropur, ≥97.5% (GC)

别名:

DFA

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关于此项目

线性分子式:
F2CHCO2H
化学文摘社编号:
分子量:
96.03
UNSPSC Code:
41116004
NACRES:
NB.21
MDL number:
Beilstein/REAXYS Number:
1098588
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assay

≥97.5% (GC), 97.5-102.5% (T)

technique(s)

LC/MS: suitable

refractive index

n20/D 1.344 (lit.)

bp

132-134 °C (lit.)

mp

−1 °C (lit.)

density

1.526 g/mL at 25 °C (lit.)

cation traces

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

suitability

passes test for LC-MS

SMILES string

OC(=O)C(F)F

InChI

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

InChI key

PBWZKZYHONABLN-UHFFFAOYSA-N

General description

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。

Application

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。

Other Notes

Discover LiChropur 试剂最适于HPLCLC-MS分析

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany


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pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

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

存储类别

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

172.4 °F - closed cup

flash_point_c

78 °C - closed cup



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全球贸易项目编号

货号GTIN
136344-5G04061837864872
00922-10X1ML04022536000589
00922-1ML04022536000749