四氢呋喃，Tetrahydrofuran [THF]；inhibitor-free, suitable for HPLC, ≥99.9%

蒸汽密度

2.5 (vs air)

质量水平

100

蒸汽压

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

检测方案

≥99.9%

形式

liquid

自燃温度

610 °F

expl. lim.

1.8-11.8 %

technique(s)

HPLC: suitable

杂质

≤0.0005% non-volatile matter
≤0.002% free acid (as CH₃COOH)
≤0.05% peroxides (as H₂O₂)
≤0.05% water (Karl Fischer)

蒸发残留物

≤0.0005%

颜色

APHA: ≤10

折射率

n20/D 1.407 (lit.)

pH值（酸碱度）

~7

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

密度

0.889 g/mL at 25 °C (lit.)

吸光度

≤0.0044 at 315 nm
≤0.005 at 350 nm
≤0.005 at 400 nm
≤0.02 at 300 nm
≤0.046 at 275 nm
≤0.18 at 250 nm
≤0.26 at 245 nm
≤1.0 at 212 nm

紫外吸收

λ: 245 nm A_max: ≤0.26
λ: 275 nm A_max: ≤0.046
λ: 315 μm A_max: ≤0.0044

适用性

complies for IR spectroscopy

application(s)

food and beverages

SMILES string

C1CCOC1

InChI

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

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N

象形图

GHS02,GHS07,GHS08

警示用语：

Danger

危险声明

H225 - H302 - H319 - H335 - H336 - H351

预防措施声明

P202 - P210 - P233 - P301 + P312 - P305 + P351 + P338 - P308 + P313

危险分类

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

补充剂危害

EUH019

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

个人防护装备

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter