Agent Name

Tetrahydropyran

CAS Number

142-68-7

Formula

C5-H10-O

Major Category

Solvents

Synonyms

2H-Pyran, tetrahydro-; Oxacyclohexane; Oxane; Oxane (VAN); Pentamethylene oxide; THP; Tetrahydro-2H-pyran; Tetrahydropyrane; [ChemIDplus] UN1993

Category

Ethers (<C12)

Description

Colorless liquid with a pungent sweet odor like ether; [HSDB]

Comments

Forms peroxides on contact with air (technical products stabilized to prevent); [Merck Index] An irritant; [MSDSonline]

Exposure Assessment
Vapor Pressure

71.5 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Flammable liquid n.o.s."

Flammability (NFPA)

3: May ignite at ambient temperature

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: