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 Transport Information
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BLO(96-48-0)

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 Transport Information
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Product Identification

Product Name

BLO

Synonyms

1,2-Butanolide
1,4-Butanolide
1,4-Lactone
Butyric acid lactone
gamma-Lactone
Oxolan-2-one

CAS

96-48-0

Formula

C4H6O2

Molecular Weight

86.09

EINECS

202-509-5

RTECS

LU3500000

RTECS Class

Tumorigen; Drug; Mutagen; Reproductive Effector; Primary Irritant

Merck

13,1596

Beilstein/Gmelin

105248

Beilstein Reference

5-17-09-00007

EC Class

harmful, irritant

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Physical and Chemical Properties

Appearance

Oily liquid. Pleasant odor.

Solubility in water

Very soluble

Melting Point

-44

Boiling Point

204

Vapor Pressure

3.2 (25 C)

Density

1.1286 g/cm3 (20 C)

Partition Coefficient

-.64

Heat Of Vaporization

54.4 kJ/mol

Heat Of Combustion

-2011 kJ/mol

Usage

Intermediate in synth of polyvinylpyrrolidone, dl-methionine, piperidine, phenylbutyric acid, thiobutyric acids, solvent for polyacrylonitrile, cellulose acetate, methyl methacrylate polymers, polystyrene, constituent of paintermediate removers, textile aids, drilling oils.

Vapor Density

3

Refractive Index

1.4348 (20 C)

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First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.

Inhalation

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.

Skin

Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

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Handling and Storage

Storage

Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.

Handling

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

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Hazards Identification

Inhalation

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Ingestion

May cause digestive tract disturbances. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.

EC Risk Phrase

R 22 36

EC Safety Phrase

S 26 39

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Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

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.

Exposure Effects

Significant respiratory depression may occur in comatose patients. Low heart rate with increases or decreases in blood pressure may be anticipated. the primary effect is dose-related CNS depression; amnesia and hypotonia after 10 mg/kg, somnolence, drowsiness, dizziness, and euphoria after 20 to 30 mg/kg, and coma after 50 to 70 mg/kg.

Poison Class

4

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Fire Fighting Measures

Flash Point

100-101

Autoignition

455

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Upper exp. limit

15.6

Lower exp. limit

2.7

Fire Potential

This chemical is combustible.

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Accidental Release Measures

Small spills/leaks

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment. Provide ventilation.

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Stability and Reactivity

Disposal Code

1

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents - strong acids - strong bases - strong reducing agents.

Decomposition

Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.

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Transport Information

HS Code

2932 29 80