Tetrahydropyran

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Names

[ CAS No. ]:
142-68-7

[ Name ]:
Tetrahydropyran

[Synonym ]:
2H-Tetrahydropyran
Tetrahydropyran
UNII-V06I3ILG6B
1,5-EPOXYPENTANE
Etrahydropyran
Tetarhydropyran
4,5-dihydro-2H-pyran
tetrahydro-4H-pyran
tetrahydropyrane
OXACYCLOHEXANE
tetrahydro-2h-pyra
MFCD00006585
4-tetrahydropyran
EINECS 205-552-8
Peroxan
2H-Pyran, tetrahydro-
T6OTJ
Tetrahydro-2H-pyran
THP
Oxane
Pentamethylene Oxide

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
88.0±0.0 °C at 760 mmHg

[ Melting Point ]:
−45 °C(lit.)

[ Molecular Formula ]:
C₅H₁₀O

[ Molecular Weight ]:
86.132

[ Flash Point ]:
-15.6±0.0 °C

[ Exact Mass ]:
86.073166

[ PSA ]:
9.23000

[ LogP ]:
0.89

[ Vapour density ]:
3 (vs air)

[ Vapour Pressure ]:
70.1±0.1 mmHg at 25°C

[ Index of Refraction ]:
1.420

[ Storage condition ]:
Flammables area

[ Water Solubility ]:
80 g/L (25 ºC)

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS02, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H225-H315-H319-H335

[ Supplemental HS ]:
May form explosive peroxides.

[ Precautionary Statements ]:
P210-P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
F:Flammable;Xi:Irritant;

[ Risk Phrases ]:
R11;R19;R9;R36/37/38

[ Safety Phrases ]:
S9-S16-S26-S33-S36

[ RIDADR ]:
UN 1993 3/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
3

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

tetrahydro-2-methoxy-2H-pyran
Tetrahydrofurfuryl alcohol
(2R)-2-Methoxy-3,4-dihydro-2H-pyran
3,4-Dihydro-2H-pyran
1,5-Pentanediol
1,5-Dichloropentane
14-(5-hydroxypentyl)-7-phenyl-5,6,8,9-tetrahydrodibenzo[c,h]acridin-14-ium trifluoromethanesulfonate
delta-Valerolactone
2H-Pyran,2-butoxytetrahydro-
2-ISOBUTOXY TETRAHYDROPYRAN

DownStream

2-(8-bromooctoxy)oxane
5-Bromo-1-pentanol
1-Phenylpiperidine
delta-Valerolactone
Glutaric acid
2-Tetrahydropyranol
2-Methyltetrahydrofuran
Tetrahydro-4-pyranol
gamma-Butyrolactone
Tetrahydro-2H-pyran-4-one

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

Structurally and stereochemically diverse tetrahydropyran synthesis through oxidative C-H bond activation.

Angew. Chem. Int. Ed. Engl. 49(17) , 3069-72, (2010)

A SURGICAL APPROACH TO LARGE SUBRETINAL HEMORRHAGE USING PARS PLANA VITRECTOMY AND 360° RETINOTOMY.

Retina (Philadelphia, Pa.) 35 , 1631-9, (2015)

To evaluate the surgical approach of pars plana vitrectomy combined with 360° retinotomy and silicon oil tamponade in the treatment of patients with large subretinal hemorrhage.Prospective, nonrandomi...

Long-term heavy silicone oil intraocular tamponade.

Int. Ophthalmol. 36 , 07-Mar, (2016)

Heavy silicone oil tamponade is intended to be temporary, but may occasionally be indefinite in patients who refuse, or are deemed unsuitable for, further surgery. The aim of this study is to compare ...