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蒸汽密度
3.9 (vs air)
品質等級
蒸汽壓力
97.5 mmHg ( 20 °C)
種類
for protein sequencing
化驗
≥99%
形狀
liquid
雜質
<0.05% water
蒸發殘留物
<0.005%
折射率
n20/D 1.3 (lit.)
pH值
1 (20 °C, 10 g/L)
bp
72.4 °C (lit.)
mp
−15.4 °C (lit.)
密度
1.489 g/mL at 20 °C (lit.)
SMILES 字串
OC(C(F)(F)F)=O
InChI
1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)
InChI 密鑰
DTQVDTLACAAQTR-UHFFFAOYSA-N
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一般說明
三氟乙酸是一种天然存在的有机溶剂，可通过微生物作用进行生物降解。它还可以用作各种有机转化的催化剂，包括溶剂溶解、重排、还原、氧化和三氟甲基化。
應用
三氟乙酸可作为溶剂用于：
- 质谱法，进行蛋白质鉴定。
- 微波辐照异恶唑和吡唑与 N-溴琥珀酰亚胺的溴化反应，以合成单溴异恶唑和吡唑。
- 2-(2-芳基乙基)杂芳酯的路易斯酸催化 6-内双环，以合成杂环内酯。
- 静电纺丝醋酸纤维素，以制备相应的纳米纤维膜。
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 2
閃點（°F）
No data available
閃點（°C）
No data available
其他客户在看
Andrew C Tolonen et al.
Journal of visualized experiments : JoVE, (89)(89), doi:10-doi:10 (2014-07-22)
Stable isotope labeling of peptides by reductive dimethylation (ReDi labeling) is a method to accurately quantify protein expression differences between samples using mass spectrometry. ReDi labeling is performed using either regular (light) or deuterated (heavy) forms of formaldehyde and sodium
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Direct trifluoromethylation of arenes using TFA as the trifluoromethylating reagent was achieved with Ag as the catalyst. This reaction not only provides a new protocol for aryl C-H trifluoromethylation, but the generation of CF3· from TFA may prove useful in
W C Mahoney et al.
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A method employing reverse phase high performance liquid chromatography has been developed for the purification of large denatured peptides. The cyanogen bromide fragments of hemoglobin alpha, beta, and gamma chains (13 to 91 residues in length) could be separated and
Continuous-flow synthesis of the anti-malaria drug artemisinin.
François Lévesque et al.
Angewandte Chemie (International ed. in English), 51(7), 1706-1709 (2012-01-18)
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Journal of chromatography. A, 1216(4), 685-699 (2008-09-19)
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
实验方案
BIOshell™ IgG 1000 Å C4 UHPLC Column for Improved Biomacromolecule Separations
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