Tetrahydrofuran

Name: Tetrahydrofuran
Brand: MM

≥99.9% (GC), suitable for HPLC, LiChrosolv^®

Synonym(s):

THF, Tetramethylene oxide, Oxolane, Butylene oxide, Butylene oxide, Oxolane, Tetramethylene oxide

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All Photos(2)

About This Item

Empirical Formula (Hill Notation):

C₄H₈O

CAS Number:

109-99-9

Molecular Weight:

72.11

NACRES:

NA.03

EC Index Number:

203-726-8

UNSPSC Code:

12191504

MDL number:

MFCD00005356

Beilstein/REAXYS Number:

102391

assay:

≥99.9% (GC)

technique(s):

HPLC: suitable

bp:

65-67 °C (lit.)

vapor pressure:

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

Product Name

Tetrahydrofuran, for liquid chromatography LiChrosolv^®

description

isocratic

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N

SMILES string

C1CCOC1

InChI

1S/C4H8O/c1-2-4-5-3-1/h1-4H2

vapor density

2.5 (vs air)

vapor pressure

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

product line

LiChrosolv^®

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

Quality Level

100

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Related Categories

Analytical Chemistry

Analytical Chromatography

HPLC Solvents

Lab Chemicals

Solvents

Preparation Note

Product filtered through a 0.2 μm filter

Legal Information

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

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

Application

Used as a solvent in chromatography applications.
Also featured in USP monograph methods for regulated pharmaceutical instrumental analysis.

Features and Benefits

packaged in glass bottles
offers high resolution, sensitivity and optimized peak baseline separation

General description

LiChrosolv^® solvents have high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level. This makes them ideal for reproducible separations.

Other Notes

Explore various lab safety accessories and equipment for safe handling of solvents to increase your safety level from the first usage.

pictograms

GHS02,GHS08,GHS07

signalword

Danger

hcodes

H225,H302,H319,H335,H336,H351

pcodes

P202 - P210 - P233 - P301 + P312 - P305 + P351 + P338 - P308 + P313

Hazard Classifications

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

target_organs

Central nervous system, Respiratory system

supp_hazards

EUH019

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-6.2 °F - closed cup

flash_point_c

-21.2 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Ageing properties of polyamide-12 pipes exposed to fuels with and without ethanol

Kallio KJ and Hedenqvist MS

Polymer Degradation and Stability, 93(10), 1846-1854 (2008)

Adsorption of water from aqueous acetonitrile on silica-based stationary phases in aqueous normal-phase liquid chromatography.

Jan Soukup et al.

Journal of chromatography. A, 1374, 102-111 (2014-12-30)

Excess adsorption of water from aqueous acetonitrile mobile phases was investigated on 16 stationary phases using the frontal analysis method and coulometric Karl-Fischer titration. The stationary phases include silica gel and silica-bonded phases with different polarities, octadecyl and cholesterol, phenyl

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