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259,329.30
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Tetrahydrofuran 34865-2.5L

29,779.58

Tetrahydrofuran 34865-1L

18,554.05

34865

Sigma-Aldrich

Tetrahydrofuran

inhibitor-free, suitable for HPLC, ?99.9%

Synonym(s) : Tetramethylene oxide, THF, Oxolane, Butylene oxide

Empirical Formula (Hill Notation) : C4H8O

CAS Number : 109-99-9

Molecular Weight : 72.11

Beilstein : 102391

EC Number : 203-726-8

MDL number : MFCD00005356

PubChem Substance ID : 329755073

NACRES : NA.21

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SKU: 34865-1L Category:

Description

PROPERTIES

Quality Level 100
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
expl. lim. 1.8-11.8 %
technique(s) HPLC: suitable
impurities ?0.0005% non-volatile matter
?0.002% free acid (as CH3COOH)
?0.05% peroxides (as H2O2)
?0.05% water (Karl Fischer)
evapn. residue ?0.0005%
color APHA: ?10
refractive index n20/D 1.407 (lit.)
pH ~7
bp 65-67 ?C (lit.)
mp ?108 ?C (lit.)
density 0.889 g/mL at 25 ?C (lit.)
oabsorption ?0.0044 at 315 nm
?0.005 at 350 nm
?0.005 at 400 nm
?0.02 at 300 nm
?0.046 at 275 nm
?0.18 at 250 nm
?0.26 at 245 nm
?1.0 at 212 nm
UV absorption ?: 245 nm Amax: ?0.26
?: 275 nm Amax: ?0.046
?: 315 ?m Amax: ?0.0044
suitability complies for IR spectroscopy
application(s) food and beverages
SMILES string C1CCOC1
InChI 1S/C4H8O/c1-2-4-5-3-1/h1-4H2
InChI key WYURNTSHIVDZCO-UHFFFAOYSA-N

Description

General description

Tetrahydrofuran (THF) is widely employed as a solvent. It constitutes the key fragment of various natural products (polyether antibiotics). THF forms a 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

Suitable for HPLC, spectrophotometry, environmental testing

Tetrahydrofuran may be used for the dissolution of poly-?-caprolactone (PCL) and 1,3-diaminopentane, during the preparation of poly-?-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.

Packaging

1, 6?1, 2, 4?2.5, 4, 4?4 L in glass bottle

20 L in Nowpak?

200 L in Pure-Pac? 1

100, 12?100 mL in glass bottle

Other Notes

Important notice:

The article number 34865-4X2.5L will be discontinued. Please order the single bottle 34865-2.5L which is physically identical with the same exact specifications.

The article number 34865-6X1L will be discontinued. Please order the single bottle 34865-1L which is physically identical with the same exact specifications.

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SAFETY INFORMATION

Pictograms GHS02,GHS07,GHS08
Signal Word Danger
Hazard Statements H225 – H302 – H319 – H335 – H336 – H351
Precautionary Statements P201 – P202 – P210 – P301 + P312 – P305 + P351 + P338 – P308 + P313
Hazard Classifications Acute Tox. 4 Oral – Carc. 2 – Eye Irrit. 2 – Flam. Liq. 2
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

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