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87369

Supelco

Tetrahydrofuran

Selectophore, ≥99.5%

Synonym(s):
THF, Butylene oxide, Oxolane, Tetramethylene oxide
Empirical Formula (Hill Notation):
C4H8O
CAS Number:
Molecular Weight:
72.11
Beilstein:
102391
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.61

grade

for ion-selective electrodes

Quality Level

vapor density

2.5 (vs air)

vapor pressure

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

description

solvent for preparation of membranes

product line

Selectophore

assay

≥99.5% (GC)
≥99.5%

form

liquid

autoignition temp.

610 °F

expl. lim.

1.8-11.8 %

impurities

≤0.01% water

refractive index

n20/D 1.407 (lit.)

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

solubility

H2O: soluble

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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General description

Tetrahydrofuran (THF), an organic compound which belongs to saturated cyclic ether group. It is mainly used as solvent for PVC and organoalkali compounds. It is also used in lithium batteries.
Visit our Sensor Applications portal to learn more.

Application

THF has been used to realise PVC membrane from electrode, during a study to design, fabricate and electrochemically characterize miniaturised thin- and thick-film Ag/AgCl reference electrodes.

Legal Information

Selectophore is a trademark of Sigma-Aldrich Chemie GmbH

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)

-6.2 °F - closed cup

Flash Point(C)

-21.2 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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

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