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Merck
CN

80457

三氟乙酸

eluent additive for LC-MS, LiChropur, ≥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:
41116105
NACRES:
NB.21
Beilstein/REAXYS Number:
742035
MDL number:
Assay:
≥99.0% (GC)
Form:
liquid
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vapor density

3.9 (vs air)

Quality Level

vapor pressure

97.5 mmHg ( 20 °C)

product line

LiChropur

assay

≥99.0% (GC)

form

liquid

technique(s)

LC/MS: suitable

impurities

≤0.05% water, ≤50 mg/kg total sulfur (as SO4)

refractive index

n20/D 1.3 (lit.)

bp

72.4 °C (lit.)

mp

−15.4 °C (lit.)

solubility

water: soluble 10,000 g/L

density

1.489 g/mL at 20 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg, sulfite (SO32-): ≤10 mg/kg

cation traces

Ag: ≤0.05 mg/kg, Al: ≤0.1 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.5 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.1 mg/kg, Co: ≤0.05 mg/kg, Cr: ≤0.1 mg/kg, Cu: ≤0.05 mg/kg, Fe: ≤1.0 mg/kg, K: ≤1.0 mg/kg, Li: ≤0.1 mg/kg, Mg: ≤1.0 mg/kg, Mn: ≤0.1 mg/kg, Mo: ≤0.05 mg/kg, NH4+: ≤10 mg/kg, Na: ≤1.0 mg/kg, Ni: ≤0.1 mg/kg, Pb: ≤0.05 mg/kg, Sr: ≤0.05 mg/kg, Tl: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg

SMILES string

OC(C(F)(F)F)=O

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

passes test for LC-MS

InChI

1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)

InChI key

DTQVDTLACAAQTR-UHFFFAOYSA-N

General description

三氟乙酸通常用作液相色谱-质谱法(LC-MS)中的流动相添加剂。
特点:
  • 全面的质量控制测试确保最高规格。        
  • 经过优化以提高电离和分辨率。        
  • 无机和有机杂质含量极低。       
  • 为精确、快速的LC-MS专门制造。

Application

三氟乙酸可用作流动相添加剂,用于通过亲水相互作用液相色谱-电喷雾电离耦合串联质谱法(HILIC-ESI / MS / MS)和反相液相色谱-串联质谱法(RP-LC-MS / MS)分析生物样品中的碱性化合物。

Packaging

透明的硼硅酸盐玻璃,高耐水解性(I 型)

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany


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pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1A

存储类别

8B - Non-combustible corrosive hazardous materials

wgk

WGK 2

法规信息

危险化学品

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全球贸易项目编号

货号GTIN
80457-10ML04065269358688
80457-10X1ML04065269358695
80457-1ML-KC04065269350422
80457-50ML-B04065269350439