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Basic Information
| CAS No.: | 108-29-2 |
|---|---|
| Name: | gamma-Valerolactone |
| Molecular Structure: | |
|
|
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| Formula: | C5H8O2 |
| Molecular Weight: | 100.117 |
| Synonyms: | Valericacid, 4-hydroxy-, g-lactone (6CI);Valeric acid, g-hydroxy-, lactone (3CI);(RS)-g-Pentalactone;4-Hydroxypentanoic acid lactone;4-Hydroxypentanoic acid g-lactone;4-Hydroxyvaleric acid lactone;4-Methyl-g-butyrolactone;4-Methylbutyrolactone;4-Pentanolide;5-Methyldihydro-2(3H)-furanone;5-Methyltetrahydro-2-furanone;Dihydro-5-methyl-2(3H)-furanone;Dihydro-5-methyl-2-furanone;NSC 33700;Pentanoic acid, 4-hydroxy-, g-lactone;Tetrahydro-5-methyl-2-furanone;g-Methyl-g-butyrolactone;g-Methylbutyrolactone;g-Pentalactone; |
| EINECS: | 203-569-5 |
| Density: | 1.05 g/cm3 |
| Melting Point: | -31 °C(lit.) |
| Boiling Point: | 206.624 °C at 760 mmHg |
| Flash Point: | 74.98 °C |
| Solubility: | miscible with water |
| Appearance: | colorless to pale yellow clear liquid |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36 |
| Safety: | 39-26 |
| PSA: | 26.30000 |
| LogP: | 0.71190 |
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gamma-Valerolactone
Chemistry
Molecular Formula:C5H8O2
Molar mass:100.11582g/mol
Structure:
Synonyms :4-Pentanolide;Valerolactone;gamma-Valerolakton;gamma-Pentanolactone;.gamma.-Pentalactone;Pentanolide-1,4;gamma-Valeryllactone;gamma-Valerolactone;gamma-Pentalactone
Appearance:Colorless to pale yellow transparent liquid
Density:1.04 g/cm3
Flash Point:75 °C
Boiling Point:206.6 °C at 760 mmHg
Vapour Pressure:0.235 mmHg at 25°C
Melting point:-31 °C(lit.)
Solubility:Immiscible in water and most organic solvents, resin, wax, etc., do not dissolve in anhydrous glycerin, gum arabic, casein and soy protein.
Water solubility:MISCIBLE
vapor density:3.45 (vs air)
Molar mass:100.11582g/mol
Structure:
Synonyms :4-Pentanolide;Valerolactone;gamma-Valerolakton;gamma-Pentanolactone;.gamma.-Pentalactone;Pentanolide-1,4;gamma-Valeryllactone;gamma-Valerolactone;gamma-Pentalactone
Appearance:Colorless to pale yellow transparent liquid
Density:1.04 g/cm3
Flash Point:75 °C
Boiling Point:206.6 °C at 760 mmHg
Vapour Pressure:0.235 mmHg at 25°C
Melting point:-31 °C(lit.)
Solubility:Immiscible in water and most organic solvents, resin, wax, etc., do not dissolve in anhydrous glycerin, gum arabic, casein and soy protein.
Water solubility:MISCIBLE
vapor density:3.45 (vs air)
Uses
VALEROLACTONE(108-29-2) has strong ability to respond.
VALEROLACTONE(108-29-2) can be used as resins solvents and a variety of the compounds' intermediates . And also used as lubricants, plasticizers, non-ionic surface active agent of the gelling agent, the inner esters of lead in gasoline additives, used for dyeing cellulose esters and synthetic fibers.
VALEROLACTONE(108-29-2) can be used as resins solvents and a variety of the compounds' intermediates . And also used as lubricants, plasticizers, non-ionic surface active agent of the gelling agent, the inner esters of lead in gasoline additives, used for dyeing cellulose esters and synthetic fibers.
Production
VALEROLACTONE(108-29-2) has been derived by heating acetyl-acetic acid and sulfuric acid.And also can be derived from levulinic acid on the presence of hydrogenation in the nickel, copper or other metal catalysts.
Toxicity Data With Reference
| 1. | skn-rbt 500 mg/24H MLD | FCTOD7 Food and Chemical Toxicology. 20 (Suppl)(1982),847. | ||
| 2. | sln-smc 24400 ppm | MUREAV Mutation Research. 201 (1988),431. | ||
| 3. | orl-rat LD50:8800 mg/kg | JIHTAB Journal of Industrial Hygiene and Toxicology. 27 (1945),263. | ||
| 4. | orl-rbt LD50:2480 mg/kg | JIHTAB Journal of Industrial Hygiene and Toxicology. 27 (1945),263. |
Other: See actual entry in RTECS for complete information.
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by ingestion. A skin irritant. Mutation data reported. Combustible liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use water, foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes:Xi
Risk Statements:
36: Irritating to the eyes
Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
39: Wear eye/face protection
Hazard Codes:Xi
Risk Statements:
36: Irritating to the eyes
Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
39: Wear eye/face protection
Specification
Stability and Reactivity of 4-VALEROLACTONE(108-29-2):
Conditions to Avoid:Incompatible materials.
Incompatibilities with Other Materials:Strong oxidizing agents.
Hazardous Decomposition Products: carbon dioxide,carbon monoxide.
Conditions to Avoid:Incompatible materials.
Incompatibilities with Other Materials:Strong oxidizing agents.
Hazardous Decomposition Products: carbon dioxide,carbon monoxide.