tetrahydropyran

2H-pyran, tetrahydro-

CAS: 142-68-7 C5 H10 O MW: 86.13390000

All Ingredients Aromatic Ingredients CAS Numbers EINECS Numbers M.W Index Odor Substantivity Refractive Index Specific Gravity

Identification

Name	tetrahydropyran
IUPAC	oxane
CAS Number	142-68-7
EINECS	205-552-8
FDA UNII	V06I3ILG6B
Molecular Formula	C5 H10 O
Molecular Weight	86.13390000
MDL Number	MFCD00006585
Nikkaji Number	J5.814I
Beilstein	102436
XlogP3	0.90 (est)

Regulatory

Physical Properties

Appearance	colorless clear liquid (est)
Assay	97.00 to 100.00
Food Chemicals Codex Listed	No
Specific Gravity	0.88400 to 0.88800 @ 20.00 °C.
Pounds per Gallon - (est).	7.364 to 7.398
Refractive Index	1.41900 to 1.42200 @ 20.00 °C.
Melting Point	-50.00 to -49.00 °C. @ 760.00 mm Hg
Boiling Point	88.00 °C. @ 760.00 mm Hg
Vapor Pressure	71.500000 mmHg @ 25.00 °C.
Vapor Density	4.0 ( Air = 1 )
Flash Point	4.00 °F. TCC ( -15.56 °C. )
logP (o/w)	0.950
Soluble in	alcohol

Organoleptic Properties

Odor Description

at 0.10 % in dipropylene glycol.

Safety Information

Preferred SDS	View
Oral/Parenteral Toxicity	Not determined
Dermal Toxicity	Not determined
Inhalation Toxicity	Not determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Category	information only not used for fragrances or flavors
Recommendation for tetrahydropyran usage levels up to	not for fragrance use.
Recommendation for tetrahydropyran flavor usage levels up to	not for flavor use.

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

oxa cyclohexane oxane pentamethylene oxide 2H- pyran, tetrahydro- tetrahydro-2H-pyran 2H- tetrahydropyran PubMed: Variants of the prins cyclization for the synthesis of terpenoid spiroethers and oxabicyclo[3.3.1]nonane derivatives. PubMed: Effects of curcumin analogues for inhibiting human prostate cancer cells and the growth of human PC-3 prostate xenografts in immunodeficient mice. PubMed: Forced degradation study of thiocolchicoside: characterization of its degradation products. PubMed: Isolation and characterization of a new hydroxytyrosol derivative from olive (Olea europaea) leaves. PubMed: Ovipositional responses of the pulse beetle, Bruchus chinensis (Coleoptera: Bruchidae) to extracts and compounds of Capparis decidua.