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87368

Sigma-Aldrich

Tetrahydrofuran

contains 250 ppm BHT as inhibitor, puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.9%

Synonym(s):
Butylene oxide, Oxolane, Tetramethylene oxide
Empirical Formula (Hill Notation):
C4H8O
CAS Number:
Molecular Weight:
72.11
Beilstein:
102391
EC Number:
MDL number:
PubChem Substance ID:

grade

ACS reagent
puriss. p.a.

Quality Level

Agency

reag. Ph. Eur.

vapor density

2.5 (vs air)

vapor pressure

114 mmHg ( 15 °C)
143 mmHg ( 20 °C)

assay

≥99.9%

form

liquid

autoignition temp.

610 °F

contains

250 ppm BHT as inhibitor
~0.025% 2,6-di-tert-butyl-4-methylphenol as stabilizer

expl. lim.

1.8-11.8 %

technique(s)

solid phase extraction (SPE): suitable

impurities

≤0.001% free acid (as CH3COOH)
≤0.005% peroxides (as H2O2)
≤0.05% water

evapn. residue

≤0.001%

refractive index

n20/D 1.407 (lit.)
n20/D 1.407

pH

~7

bp

65-67 °C (lit.)

mp

−108 °C (lit.)

density

0.887 g/mL at 20 °C
0.889 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

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

The product is tetrahydrofuran (THF) and it contains 250ppm BHT (Butylated hydroxytoluene) as an inhibitor. THF is widely employed as a solvent. It constitutes the key fragment of various natural products (polyether antibiotics). THF forms double hydrate with hydrogen sulfide. Crystal structure of this double hydrate has been investigated by three-dimensional single-crystal studies. Butane-1,4-diol is formed as an intermediate during the synthesis of THF. Hot THF is useful for the dissolution of polyvinylidene chloride (PVDV).

Application

Tetrahydrofuran has been used as a solvent for the preparation of sol-gel solution for coating solid phase microextraction (SPME) fibers in a study.

It may be used for the dissolution of poly-ε-caprolactone (PCL) and 1,3-diaminopentane, during the preparation of poly-ε-caprolactone (PCL)-hydroxyapatite (HA) scaffolds and acrylate-terminated poly(5-amino-1-pentanol-co-1,4-butanediol diacrylate) (C32)- 1,3-diaminopentane (117) polymer, respectively.

Analysis Note

miscible with water and ethanol (96%) pass

Other Notes

The article number 87368-6X1L-M will be discontinued. Please order the single bottle 87368-1L-M which is physically identical with the same exact specifications.
Sales restrictions may apply

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

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Certificate of Origin

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