Name
|
|
EINECS
|
203-569-5
|
CAS No.
|
108-29-2
|
Density
|
1.05 g/cm3
|
PSA
|
26.30000
|
LogP
|
0.71190
|
Solubility
|
miscible with water
|
Melting Point
|
-31 °C(lit.)
|
Formula
|
C5H8O2
|
Boiling Point
|
206.624 °C at 760 mmHg
|
Molecular Weight
|
100.117
|
Flash Point
|
74.98 °C
|
Transport Information
|
N/A
|
Appearance
|
colorless to pale yellow clear liquid
|
Safety
|
39-26
|
Risk Codes
|
36
|
Molecular Structure
|
|
Hazard Symbols
|
Xi
|
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;
|
Article Data |
466
|
gamma-Valerolactone Chemical Properties
Molecular Formula:C
5H
8O
2Molar 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/cm
3 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)
gamma-Valerolactone 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.
gamma-Valerolactone 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.
gamma-Valerolactone 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. |
5. Carcinogenicity:4-VALEROLACTONE(108-29-2)- Not listed as a carcinogen by NTP, IARC,ACGIH, or CA Prop 65.
Other: See actual entry in RTECS for complete information.
gamma-Valerolactone Consensus Reports
Reported in EPA TSCA Inventory.
gamma-Valerolactone 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, CO
2, 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
gamma-Valerolactone 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.