Merck
All Photos(6)

1.09731

Supelco

四氢呋喃

for analysis EMSURE® ACS,Reag. Ph Eur

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

质量水平

300

等级

ACS reagent

Agency

reag. Ph. Eur.

蒸汽密度

2.5 (vs air)

蒸汽压

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

产品线

EMSURE®

测定

≥99.8% (GC)

形式

liquid

自燃温度

610 °F

expl. lim.

1.8-11.8 %

杂质

≤0.00005% Al (Aluminium)
≤0.0002 meq/g Alkalinity
≤0.0003 meq/g Acidity
≤0.005% Peroxide (as H2O2)
≤0.03% Water

蒸发残留物

≤0.0005%

颜色

clearAPHA: ≤10

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 -21.5 °C

密度

0.889 g/mL at 25 °C (lit.)

痕量阳离子

Al: ≤0.00005%
B: ≤0.000002%
Ba: ≤0.00001%
Ca: ≤0.00005%
Cd: ≤0.000005%
Co: ≤0.000002%
Cr: ≤0.000002%
Cu: ≤0.000002%
Fe: ≤0.00001%
Mg: ≤0.000002%
Mn: ≤0.000002%
Ni: ≤0.000002%
Pb: ≤0.00001%
Sn: ≤0.00001%
Zn: ≤0.00001%

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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Related Categories

一般描述

EMSURE 等级的溶剂适用于广泛的经典实验室应用,并且常用于受监管且要求很高的实验室应用。EMSURE 提供全球最佳和最广泛的产品规格。在此声明,我们的EMSURE 系列产品符合ACS、欧洲药典(Reag.Ph Eur)试剂部分以及ISO标准。

分析说明

纯度 (GC): ≥ 99.8%
同一性(IR):符合
外观:透明
颜色: ≤ 10
色度(d 20 °C/20 °C):0.885-0.895
酸度: ≤ 0.0003 meq/g
碱度: ≤ 0.0002 meq/g
过氧化物:符合
过氧化物(以 H₂O₂ 计): ≤ 0.005 %
Al(铝): ≤ 0.00005 %
B(硼): ≤ 0.000002%
Ba(钡): ≤ 0.00001 %
Ca(钙): ≤ 0.00005%
Cd(镉): ≤ 0.000005%
Co(钴): ≤ 0.000002%
Cr(铬): ≤ 0.000002 %
Cu(铜): ≤ 0.000002 %
Fe(铁): ≤ 0.00001%
Mg(镁): ≤ 0.000002 %
Mn(锰): ≤ 0.000002%
Ni(镍): ≤ 0.000002 %
Pb(铅): ≤ 0.00001%
Sn(锡): ≤ 0.00001 %
Zn(锌): ≤ 0.00001%
蒸发残留物: ≤ 0.0005 %
水: ≤ 0.03 %
用 2,6-二叔丁基-4-甲基苯酚(BHT)稳定。

法律信息

EMSURE 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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