Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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delta-Valerolactone(542-28-9)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

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 Properties

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 Measures

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 Storage

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 Identification

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 Protection

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 Measures

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 Measures

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 Reactivity

Stability
No data.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.
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