91703
三氟乙酸
suitable for UV/Vis spectroscopy, ≥99.0% (GC)
别名:
TFA
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关于此项目
线性分子式:
CF3COOH
化学文摘社编号:
分子量:
114.02
EC Number:
200-929-3
UNSPSC Code:
12352106
MDL number:
Beilstein/REAXYS Number:
742035
InChI
1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)
InChI key
DTQVDTLACAAQTR-UHFFFAOYSA-N
SMILES string
OC(C(F)(F)F)=O
vapor density
3.9 (vs air)
vapor pressure
97.5 mmHg ( 20 °C)
assay
≥99.0% (GC)
technique(s)
UV/Vis spectroscopy: suitable
impurities
≤0.05% water
refractive index
n20/D 1.3 (lit.)
mp
−15.4 °C (lit.)
solubility
water: soluble
density
1.489 g/mL at 20 °C (lit.)
λ
1 cm path, H2O reference
UV absorption
λ: 260 nm Amax: 0.9, λ: 270 nm Amax: 0.1, λ: 280 nm Amax: 0.05, λ: 290 nm Amax: 0.04, λ: 300 nm Amax: 0.03, λ: 320 nm Amax: 0.025
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signalword
Danger
hcodes
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 2
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
新产品
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Macro- and micromethods for the determination of serum vitamin A using trifluoroacetic acid.
J B Neeld et al.
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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
Guangfa Shi et al.
Organic letters, 17(1), 38-41 (2014-12-18)
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.
The Journal of biological chemistry, 255(23), 11199-11203 (1980-12-10)
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
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