Merck
All Photos(1)

900636

Sigma-Aldrich

Tetrahydrofuran

anhydrous, inhibitor-free, ZerO2®, ≥99.9%

Synonym(s):
Degassed and low oxygen tetrahydrofuran, Tetrahydrofuran ZerO2®, Butylene oxide, Oxolane, Tetramethylene oxide
Empirical Formula (Hill Notation):
C4H8O
CAS Number:
Molecular Weight:
72.11
Beilstein:
102391
EC Number:
MDL number:

grade

ZerO2®

Quality Level

vapor density

2.5 (vs air)

vapor pressure

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

assay

≥99.9%

form

liquid

autoignition temp.

610 °F

quality

anhydrous

expl. lim.

1.8-11.8 %

impurities

≤0.002% water
water

refractive index

n20/D 1.407 (lit.)

pH

~7

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

density

0.889 g/mL at 25 °C (lit.)

SMILES string

C1CCOC1

InChI

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

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content.

Other Notes

Greener alternatives are available for many THF applications, 2-Methyltetrahydrofuran (900520)

Legal Information

ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC

Signal Word

Danger

Hazard Classifications

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

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-4.0 °F

Flash Point(C)

-20 °C

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service