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delta-Valerolactone(542-28-9)

delta-Valerolactone(542-28-9)
Product IdentificationBack to Contents
【Product Name】

delta-Valerolactone
【Synonyms】

1-Oxacyclohexan-2-one
2-Oxotetrahydropyran
5-Hydroxypentanoic acid lactone
5-Valerolactone
d-Valeryllactone
Tetrahydro-2-pyranone
【CAS】

542-28-9
【Formula】

C5H8O2
【Molecular Weight】

100.11
【EINECS】

208-807-1
【Beilstein/Gmelin】

106436
【Beilstein Reference】

5-17-09-00017
Physical and Chemical PropertiesBack to Contents
【Appearance】

Clear yellow liquid.
【Solubility in water】

Very soluble
【Melting Point】

-10
【Boiling Point】

228 - 230
【Vapor Pressure】

0.13 (25 C)
【Density】

1.0988 g/cm3 (20 C)
【Partition Coefficient】

-.2
【Heat Of Vaporization】

60.25 kJ/mol
【Heat Of Combustion】

-2673 kJ/mol
【Refractive Index】

1.4503 (20 C)
First Aid MeasuresBack to Contents
【Ingestion】

Get medical aid. Wash mouth out with water.
【Inhalation】

Remove from exposure to fresh air immediately.
【Skin】

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.
Handling and StorageBack to Contents
【Storage】

Store in a cool, dry place. Store in a tightly closed container. Refrigerator (approx 4 C).
【Handling】

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Hazards IdentificationBack to Contents
【Ingestion】

May cause irritation of the digestive tract.
【Inhalation】

May cause respiratory tract irritation.
【Skin】

May cause skin irritation.
【Eyes】

Causes eye irritation. May cause eye injury.
【EC Risk Phrase】

R 41
【EC Safety Phrase】

S 26 39
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear chemical goggles. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear a chemical apron.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting MeasuresBack to Contents
【Flash Point】

112
【Autoignition】

390
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Provide ventilation.
Stability and ReactivityBack to Contents
【Stability】

No data.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, carbon dioxide.
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