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900636

Sigma-Aldrich

Tetrahydrofuran

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

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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/REAXYS Number:
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

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1 of 4

This Item
TX0278676764TX0279
vibrant-m

900636

Tetrahydrofuran

-
vibrant-m

TX0278

Tetrahydrofuran 99%

-
vibrant-m

676764

Tetrahydrofuran

Essential Grade
vibrant-m

TX0279

Tetrahydrofuran, No Stabilizer

-
grade

ZerO2®

grade

-

grade

ACS reagent

grade

-

assay

≥99.9%

assay

≥99% (GC)

assay

≥99.0%

assay

≥99.9% (GC)

form

liquid

form

liquid

form

liquid

form

liquid

pH

~7

pH

7-8 (20 °C, 200 g/L in H2O)

pH

~7

pH

7-8 (20 °C, 200 g/L in H2O)

vapor density

2.5 (vs air)

vapor density

2.5 (vs air)

vapor density

2.5 (vs air)

vapor density

2.5 (vs air)

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

signalword

Danger

Hazard Classifications

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

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

-6.2 °F - closed cup

flash_point_c

-21.2 °C - closed cup


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