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Merck

1.09731

Tetrahydrofuran

≥99.8% (GC), ACS reagent, reag. Ph. Eur., EMSURE®

Synonym(s):

THF, Tetramethylene oxide, Oxolane, Butylene oxide, 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
NACRES:
NB.21
EC Index Number:
203-726-8
UNSPSC Code:
12191504
MDL number:
MFCD00005356
Beilstein/REAXYS Number:
102391
grade:
ACS reagent
assay:
≥99.8% (GC)
bp:
65-67 °C (lit.)
vapor pressure:
114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

Product Name

Tetrahydrofuran, for analysis EMSURE® ACS,Reag. Ph Eur

InChI key

WYURNTSHIVDZCO-UHFFFAOYSA-N

InChI

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

SMILES string

C1CCOC1

grade

ACS reagent

agency

reag. Ph. Eur.

vapor density

2.5 (vs air)

vapor pressure

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

product line

EMSURE®

assay

≥99.8% (GC)

form

liquid

autoignition temp.

610 °F

expl. lim.

1.8-11.8 %

dilution

(for analytical testing)

impurities

≤0.00005% Al (Aluminium)
≤0.0002 meq/g Alkalinity
≤0.0003 meq/g Acidity
≤0.005% Peroxide (as H2O2)
≤0.03% Water

evapn. residue

≤0.0005%

color

clearAPHA: ≤10

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.)

cation traces

Al: ≤0.00005%
B: ≤0.000002%
Ba: ≤0.00001%
Ca: ≤0.00005%
Cd: ≤0.000005%
Co: ≤0.000002%
Cr: ≤0.000002%
Cu: ≤0.000002%
Fe: ≤0.00001%
Mg: ≤0.000002%
Mn: ≤0.000002%
Ni: ≤0.000002%
Pb: ≤0.00001%
Sn: ≤0.00001%
Zn: ≤0.00001%

storage temp.

2-30°C

Quality Level

300

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Related Categories

Application


  • Construction of Polycarbonates with Pendant Multifunctional Groups via a One-Step CO2/Diepoxide Copolymerization Approach.: This study employs tetrahydrofuran (THF) as a solvent in the synthesis of multifunctional polycarbonates through CO2 copolymerization, demonstrating its utility in creating advanced materials with potential applications in environmental sustainability and polymer chemistry (Wu et al., 2024).

General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Other Notes

Discover EMSURE - to be more than sure!
Explore various lab safety accessories and equipment for safe handling of solvents to increase your safety level from the first usage.

Legal Information

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

signalword

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

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)

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