Merck
All Photos(2)

1.08101

Supelco

四氢呋喃

for liquid chromatography LiChrosolv®

Synonym(s):
THF, 四氢呋喃, 环氧丁烷, 环氧丙烷
Empirical Formula (Hill Notation):
C4H8O
CAS Number:
Molecular Weight:
72.11
Beilstein:
102391
MDL编号:
EC索引号:
203-726-8

蒸汽密度

2.5 (vs air)

质量水平

100

蒸汽压

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

产品线

LiChrosolv®

等级

isocratic

测定

≥99.9% (GC)

形式

liquid

自燃温度

610 °F

expl. lim.

1.8-11.8 %

technique(s)

HPLC: suitable

杂质

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.02% Peroxide
≤0.02% Water

蒸发残留物

≤1.0 mg/L

透射比

218 nm, ≥30%
230 nm, ≥35%
250 nm, ≥65%
280 nm, ≥95%

折射率

n20/D 1.407 (lit.)

pH值(酸碱度)

7-8 (20 °C, 200 g/L in H2O)

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

转变温度

flash point -20 °C

密度

0.889 g/mL at 25 °C (lit.)

储存温度

2-30°C

SMILES string

C1CCOC1

InChI

1S/C4H8O/c1-2-4-5-3-1/h1-4H2

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N

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一般描述

LiChrosolv® solvents have high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level. This makes them ideal for reproducible separations.

应用

Used as a solvent in chromatography applications.
Also featured in USP monograph methods for regulated pharmaceutical instrumental analysis.

特点和优势

  • packaged in glass bottles
  • offers high resolution, sensitivity and optimized peak baseline separation

制备说明

产品已经过0.2 μm滤器过滤

分析说明

纯度 (GC): ≥ 99.9 %
一致性(IR):符合
蒸发残留物: ≤ 1.0 mg/l
水: ≤ 0.02 %
酸度: ≤ 0.0002 meq/g
碱度: ≤ 0.0002 meq/g
过氧化物: ≤ 0.02 %
透射率(218 nm): ≥ 30 %
透射率(230 nm): ≥ 35 %
透射率(250 nm): ≥ 65 %
透射率(280 nm): ≥ 95 %
经0.2 µm过滤器过滤

法律信息

LICHROSOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

警示用语:

Danger

危险分类

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2

补充剂危害

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(F)

-6.2 °F - closed cup

闪点(C)

-21.2 °C - closed cup

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