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900636

Tetrahydrofuran

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

Synonym(s):

Tetramethylene oxide, Degassed and low oxygen tetrahydrofuran, THF, Tetrahydrofuran ZerO2®, Butylene oxide, Oxolane

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About This Item

Linear Formula:
(CH2)3CH2O
CAS Number:
109-99-9
Molecular Weight:
72.11
UNSPSC Code:
12352005
NACRES:
NA.07
EC Number:
203-726-8
Beilstein/REAXYS Number:
102391
MDL number:
MFCD00005356
Assay:
≥99.9%
Grade:
ZerO2®
Bp:
65-67 °C (lit.)
Vapor pressure:
114 mmHg ( 15 °C), 143 mmHg ( 20 °C)
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Product Name

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

grade

ZerO2®

Quality Segment

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 %

dilution

(for analytical testing)

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

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

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Signal Word

Danger

Target Organs

Central nervous system, Respiratory system

supp_hazards

EUH019

Storage Class

3 - Flammable liquids

Flash Point (°F)

-6.2 °F - closed cup

Flash Point (°C)

-21.2 °C - closed cup

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - STOT SE 3

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