91707
三氟乙酸
puriss. p.a., suitable for HPLC, ≥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
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
EC Number:
200-929-3
Beilstein/REAXYS Number:
742035
MDL number:
Assay:
≥99.0% (GC)
Form:
liquid
vapor density
3.9 (vs air)
Quality Level
vapor pressure
97.5 mmHg ( 20 °C)
grade
puriss. p.a.
assay
≥99.0% (GC)
form
liquid
technique(s)
HPLC: suitable, LC/MS: suitable
impurities
≤0.05% water
refractive index
n20/D 1.3 (lit.)
pH
1 (20 °C, 1 g/L)
bp
72.4 °C (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: 0.08, λ: 290 nm Amax: 0.07, λ: 300 nm Amax: 0.06, λ: 320 nm Amax: 0.05
suitability
corresponds to standard for RP gradient test
SMILES string
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
General description
三氟乙酸（TFA）是一种氟化乙酸。它被广泛用作三氟甲基化试剂，用于芳族化合物的三氟甲基化。
Application
三氟乙酸（TFA）可用于以下研究：
- 制备用于估算血清维生素A的TFA试剂。
- 组成二元溶剂系统，用于通过反相高效液相色谱法分离大型变性多肽。
- 用作液相色谱-质谱（LC-MS）分析的流动相添加剂。
- 用于在优化的反应条件下制备青蒿素。
Packaging
采用10x1mL包装
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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
法规信息
危险化学品
此项目有
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Angewandte Chemie (International ed. in English), 51(7), 1706-1709 (2012-01-18)
Macro- and micromethods for the determination of serum vitamin A using trifluoroacetic acid.
J B Neeld et al.
The Journal of nutrition, 79, 454-462 (1963-04-01)
Risto Kostiainen et al.
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
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 91707-250ML | 04061837765544 |
| 91707-1ML | 04061837765537 |
| 91707-10X1ML | 04061837765513 |