品質等級
化驗
≥97.5% (GC)
97.5-102.5% (T)
技術
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.)
正離子痕跡
Al: ≤5 ppm
Ca: ≤20 ppm
Cu: ≤5 ppm
Fe: ≤2 ppm
K: ≤50 ppm
Mg: ≤5 ppm
Na: ≤50 ppm
適合性
passes test for LC-MS
SMILES 字串
OC(=O)C(F)F
OC(=O)C(F)F
InChI
1S/C2H2F2O2/c3-1(4)2(5)6/h1H,(H,5,6)
InChI 密鑰
PBWZKZYHONABLN-UHFFFAOYSA-N
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一般說明
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。
應用
- 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。
法律資訊
訊號詞
Danger
危險聲明
危險分類
Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1A
儲存類別代碼
8A - Combustible corrosive hazardous materials
水污染物質分類(WGK)
WGK 3
閃點(°F)
172.4 °F - closed cup
閃點(°C)
78 °C - closed cup
商品
The article describes the use of difluoroacetic acid (DFA) as an effective alternative to acid modifiers, formic acid (FA) and trifluoroacetic acid (TFA) in the LC-UV/MS analysis of proteins.
Ultra-high performance liquid chromatographic (UHPLC) separation of ephedrine and its three structural analogs based on polar retention effect on graphite (PREG) mechanism using Supel™ Carbon LC column.
Discover an innovative LC-MS/MS method for amino acid analysis using the Supel™ Carbon LC column with excellent retention and fast run times.
Polar graphitic carbon enables UHPLC separation of highly polar pesticides, herbicides, and Vitamin D metabolites, advancing liquid chromatography capabilities.
实验方案
BIOshell™ IgG 1000 Å C4 UHPLC Column for Improved Biomacromolecule Separations
Chromatographic technique identifies insulin variants efficiently, aiding in pharmacokinetics.
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