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等级
analytical standard
质量水平
蒸汽密度
3.9 (vs air)
蒸汽压
97.5 mmHg ( 20 °C)
方案
≥99.0% (GC)
保质期
limited shelf life, expiry date on the label
技术
HPLC: suitable
gas chromatography (GC): suitable
杂质
≤0.05% water
折射率
n20/D 1.3 (lit.)
沸点
72.4 °C (lit.)
mp
−15.4 °C (lit.)
溶解性
H2O: soluble
密度
1.489 g/mL at 20 °C (lit.)
应用
environmental
包装形式
neat
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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一般描述
三氟乙酸是一种植物性毒素化合物，属于全氟酸类(PFA)。它是一种环境污染物，会造成地表水和地下水中的有机氟的负担。
应用
三氟乙酸由于属性色谱选择性、高挥发性和低紫外截留量等特点，可作为高效液相色谱流动相的改性剂用于蛋白质和多肽的分离。
基于其色谱选择性、强挥发性和低紫外截断等特点，三氟乙酸可作为高效液相色谱流动相的改性剂用于蛋白质和多肽的分离。
三氟乙酸作为分析参考标准品，通过高效液相色谱结合串联质谱测定水基质中的分析物。
三氟乙酸作为分析参考标准品，通过高效液相色谱结合串联质谱测定水基质中的分析物。
有关合适仪器技术的更多信息，请参考产品的分析证书。如需进一步支持，请联系技术服务。
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
个人防护装备
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
危险化学品
Enhanced sensitivity for peptide mapping with electrospray liquid chromatography-mass spectrometry in the presence of signal suppression due to trifluoroacetic acid-containing mobile phases
Apffel A, et al.
Journal of Chromatography A, 712(1), 177-190 (1995)
Analysis of trifluoroacetic acid and other short-chain perfluorinated acids (C2--C4) in precipitation by liquid chromatography-tandem mass spectrometry: Comparison to patterns of long-chain perfluorinated acids (C5--C18)
Taniyasu S, et al.
Analytica Chimica Acta, 619(2), 221-230 (2008)
Yukiko Enomoto-Rogers et al.
Carbohydrate polymers, 92(2), 1827-1834 (2013-02-13)
Fully substituted glucomannan triacetate (GMTAc) (degree of substitution (DS)=3.0) was prepared from konjac glucomannan (KGM) treated with acetic acid and trifluoroacetic anhydride (TFAA). The peaks in the (1)H- and (13)C NMR spectra of GMTAc were assigned in detail based on
Caroline Le Maréchal et al.
Veterinary research, 42, 35-35 (2011-02-18)
Staphylococcus aureus is a major cause of mastitis in ruminants. In ewe mastitis, symptoms range from subclinical to gangrenous mastitis. S. aureus factors or host-factors contributing to the different outcomes are not completely elucidated. In this study, experimental mastitis was
Christian D Kelstrup et al.
Journal of proteome research, 13(12), 6187-6195 (2014-10-29)
Shotgun proteomics is a powerful technology for global analysis of proteins and their post-translational modifications. Here, we investigate the faster sequencing speed of the latest Q Exactive HF mass spectrometer, which features an ultra-high-field Orbitrap mass analyzer. Proteome coverage is
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