All Photos(2)

1.08114

Supelco

Tetrahydrofuran

EMPLURA®

Synonym(s):
Tetramethylene oxide, Oxolane, THF, Tetramethylene oxide, Oxolane, Butylene oxide, Butylene oxide
Empirical Formula (Hill Notation):
C4H8O
CAS Number:
Molecular Weight:
72.11
Beilstein:
102391
MDL number:
EC Index Number:
203-726-8

Quality Level

vapor density

2.5 (vs air)

vapor pressure

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

610 °F

expl. lim.

1.8-11.8 %

impurities

≤0.002% Free acid (as CH3COOH)
≤0.01% Peroxide (as H2O2)
≤0.1% Water

refractive index

n20/D 1.407 (lit.)

pH

7-8 (20 °C, 200 g/L in H2O)

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

transition temp

flash point -21.5 °C

density

0.889 g/mL at 25 °C (lit.)

storage temp.

2-30°C

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

EMPLURA® is our low-cost alternative to high-purity qualities. With EMPLURA we offer a range of solvents for a plurality of basic applications in non-regulated industries and for less demanding applications, preparative laboratory work and cleaning purposes. EMPLURA solvents provide adequate specifications with the most important parameters.

Analysis Note

Purity (GC): ≥ 99.0 %
Identity (IR): conforms
Free acid (as CH₃COOH): ≤ 0.002 %
Density (d 20 °C/ 4 °C): 0.887 - 0.889
Peroxide (as H₂O₂): ≤ 0.01 %
Water: ≤ 0.1 %
Stabilized with 2,6-Di-tert-butyl-4-methylphenol (BHT)

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

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

Certificate of Analysis

Certificate of Origin

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