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Tetrahydrofuran

≥99.5%, ≥99.5% (GC), for ion-selective electrodes, contains 250 ppm BHT as inhibitor, Selectophore™

Synonym(s):

THF, Butylene oxide, Oxolane, Tetramethylene oxide

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About This Item

Empirical Formula (Hill Notation):
C4H8O
CAS Number:
109-99-9
Molecular Weight:
72.11
Beilstein:
102391
EC Number:
203-726-8
MDL number:
MFCD00005356
UNSPSC Code:
12191501
PubChem Substance ID:
329769581
NACRES:
NB.61

product name

Tetrahydrofuran, Selectophore™, ≥99.5%

grade

for ion-selective electrodes

Quality Level

200

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

contains

250 ppm BHT as inhibitor

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.
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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 Merck KGaA, Darmstadt, Germany

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Description
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Signal Word

Danger

Hazard Classifications

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

Target Organs

Central nervous system, Respiratory system

Supplementary Hazards

EUH019

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG9362
BCCG2906
BCCF9208
BCCD3002
BCCC8779

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Strategies of miniaturised reference electrodes integrated in a silicon based ?one chip? pH sensor.
Simonis, Anette, et al.
Sensors, 3.9, 330-339 (2003)
Luca Chiari et al.
The Journal of chemical physics, 138(7), 074301-074301 (2013-03-01)
We present total, elastic, and inelastic cross sections for positron and electron scattering from tetrahydrofuran (THF) in the energy range between 1 and 5000 eV. Total cross sections (TCS), positronium formation cross sections, the summed inelastic integral cross sections (ICS)
P T Clayton et al.
The Journal of clinical investigation, 79(4), 1031-1038 (1987-04-01)
Urinary bile acids from a 3-mo-old boy with cholestatic jaundice were analyzed by ion exchange chromatography and gas chromatography-mass spectrometry (GC-MS). This suggested the presence of labile sulfated cholenoic acids with an allylic hydroxyl group, a conclusion supported by analysis
C N Ong et al.
British journal of industrial medicine, 48(9), 616-621 (1991-09-01)
Occupational exposure to tetrahydrofuran (THF) was studied by analysis of environmental air, blood, alveolar air, and urine from 58 workers in a video tape manufacturing plant. Head space gas chromatography (GC) with an FID detector was used for determination of
Kenneth F Ilett et al.
Drug metabolism and disposition: the biological fate of chemicals, 30(9), 1005-1012 (2002-08-09)
The aim of this study was to elucidate the metabolic pathways for dihydroartemisinin (DHA), the active metabolite of the artemisinin derivative artesunate (ARTS). Urine was collected from 17 Vietnamese adults with falciparum malaria who had received 120 mg of ARTS
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