All Photos(2)

1.08101

Supelco

Tetrahydrofuran

for liquid chromatography LiChrosolv®

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)

product line

LiChrosolv®

grade

isocratic

assay

≥99.9% (GC)

form

liquid

autoignition temp.

610 °F

expl. lim.

1.8-11.8 %

technique(s)

HPLC: suitable

impurities

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.02% Peroxide
≤0.02% Water

evapn. residue

≤1.0 mg/L

transmittance

218 nm, ≥30%
230 nm, ≥35%
250 nm, ≥65%
280 nm, ≥95%

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 -20 °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

With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Evaporation residue: ≤ 1.0 mg/l
Water: ≤ 0.02 %
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Peroxide: ≤ 0.02 %
Transmission (at 218 nm): ≥ 30 %
Transmission (at 230 nm): ≥ 35 %
Transmission (at 250 nm): ≥ 65 %
Transmission (at 280 nm): ≥ 95 %
Filtred by 0.2µm filter

Legal Information

LICHROSOLV 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)

-4.0 °F

Flash Point(C)

-20 °C

Certificate of Analysis

Certificate of Origin

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