5-OCTANOLIDE supplier | CasNO.698-76-0

Name
5-Hydroxyoctanoic acid lactone
EINECS 211-820-5
CAS No. 698-76-0
Article Data16
CAS DataBase
Density 1,002 g/cm³
Solubility Insoluble in water; soluble in alcohol.
Melting Point -14°C
Formula C8H14 O2
Boiling Point 238°C
Molecular Weight 142.198
Flash Point 125°C
Transport Information
Appearance colorless to pale yellow liquid
Safety Low toxicity by ingestion and skin contact. A skin irritant. When heated to decomposition it emits acrid smoke and irritating vapors.
Risk Codes 36/37/38
Molecular Structure
Hazard Symbols R36/38:Irritating to eyes and skin.;
Synonyms Octanoicacid, 5-hydroxy-, lactone (6CI); Octanoic acid, 5-hydroxy-, d-lactone (7CI); (RS)-d-Octalactone; (?à)-d-Octalactone; 5-Hydroxyoctanoic acid lactone;5-Hydroxyoctanoic acid d-lactone; 5-Octanolide; Tetrahydro-6-propyl-2H-pyran-2-one; d-Octalactone; d-Octanolactone; d-Propyl-d-valerolactone
PSA 26.30000
LogP 1.88220

5-OCTANOLIDE Chemical Properties

IUPAC Name: 6-Propyloxan-2-one
Synonyms : 5-Hydroxyoctanoic acid lactone ; 5-Octanolide ; 5-Propyl-5-hydroxypentanoic acid lactone ; Tetrahydro-6-propyl-2H-pyran-2-one
Molecular Structure:
Molecular Formula : C₈H₁₄O₂
Molecular Weight : 142.20
CAS NO: 698-76-0
EINECS : 211-820-5
Mol File: 698-76-0.mol
Index of Refraction: 1.436
Surface Tension: 29.2 dyne/cm
Density: 0.96 g/cm³
Flash Point: 92.2 °C
Enthalpy of Vaporization: 47.67 kJ/mol
Boiling Point: 239.8 °C at 760 mmHg
Vapour Pressure: 0.0394 mmHg at 25°C
Melting point: -14°C
FEMA : 3214
BRN : 111515
Appearance: 5-Octanolide (CAS NO.698-76-0) is colorless to pale yellow liquid,like aroma of cocoa, coconut and cream.

5-OCTANOLIDE Uses

GB 2760-1996 provides that 5-Octanolide (CAS NO.698-76-0) can be used for edible spices.

5-OCTANOLIDE Production

5 - Hydroxy octanoic acid is reduced by NaBH₄ , then lactonization ,at last obtaining 5-Octanolide (CAS NO.698-76-0).

5-OCTANOLIDE Toxicity Data With Reference

1.	skn-rbt 500 mg/24H MOD	FCTOD7 Food and Chemical Toxicology. 20 (1980),783.
2.	orl-rat LD50:>5 g/kg	FCTOD7 Food and Chemical Toxicology. 20 (1980),783.
3.	skn-rbt LD50:>5 g/kg	FCTOD7 Food and Chemical Toxicology. 20 (1980),783.

5-OCTANOLIDE Consensus Reports

Reported in EPA TSCA Inventory.

5-OCTANOLIDE Safety Profile

Risk Statements 36/37/38
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
Safety Statements 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
RTECS UQ1355500

Product Name

5-Hydroxyoctanoic acid lactone