1.08178
三氟乙酸
for protein sequence analysis
别名:
TFA
登录 查看组织和合同定价。
选择尺寸
变更视图
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
EC Index Number:
200-929-3
MDL number:
Beilstein/REAXYS Number:
742035
Assay:
≥99.7% (acidimetric)
Form:
liquid
vapor density
3.9 (vs air)
Quality Level
vapor pressure
97.5 mmHg ( 20 °C)
assay
≥99.7% (acidimetric)
form
liquid
impurities
≤0.02% Water (Karl Fischer)
refractive index
n20/D 1.3 (lit.)
pH
1 (10 g/L in H2O)
bp
72.4 °C (lit.)
mp
−15.4 °C (lit.)
solubility
soluble 10 g/mL
density
1.489 g/mL at 20 °C (lit.)
storage temp.
2-30°C
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
Application
Trifluoroacetic acid (TFA) can be used as an ion-pairing agent in a reverse-phase HPLC system to separate peptides because it enhances peak resolution. It also has low absorption detection wavelengths and is relatively volatile and can be easily removed. For the majority of peptide separations, TFA has been used at concentrations ranging from 0.05 to 0.1%(6.5-13 mM).
Analysis Note
Assay (acidimetric): ≥ 99.7 %
Identity (IR-spectrum): passes test
Density (d 20 °C/20 °C): about 1.53
Boiling point: about 72 °C
Water (according to Karl Fischer): ≤ 0.02 %
Identity (IR-spectrum): passes test
Density (d 20 °C/20 °C): about 1.53
Boiling point: about 72 °C
Water (according to Karl Fischer): ≤ 0.02 %
Still not finding the right product?
Explore all of our products under 三氟乙酸
hcodes
存储类别
8A - Combustible corrosive hazardous materials
signalword
Danger
Hazard Classifications
Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1A
wgk
WGK 2
法规信息
监管及禁止进口产品
此项目有
Y Chen et al.
Journal of chromatography. A, 1043(1), 9-18 (2004-08-20)
Trifluoroacetic acid (TFA) remains the dominant mobile phase additive for reversed-phase high-performance liquid chromatography (RP-HPLC) of peptides after more than two decades since its introduction to this field. Generally, TFA has been employed in a concentration range of 0.05-0.1% (6.5-13
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 1081780050 | 04022536101309 |