Product Name: Delta-Decalactone
Chemical Name: 5-Hexyloxolan-2-one
CAS Number: 705-86-2
EC Number: 211-877-0
Molecular Formula: C10H18O2
Molecular Weight: 170.25 g/mol
Synonyms: 5-Decanolide, δ-Decalactone, Decan-5-olide
Recommended Use: Flavor and fragrance ingredient for foods, beverages, personal care items
Supplier: Company name, address, emergency contact, telephone number (Refer to supplier label for details)
Classification: Not classified as hazardous under GHS criteria
Signal Word: None
Hazard Statements: May cause mild skin and eye irritation
Pictograms: None required
Precautionary Statements: Avoid excessive contact with skin or eyes, avoid inhalation of vapors
Health Hazards: Slightly irritating to skin, eyes; low acute toxicity
Environmental Hazards: No known significant effects but avoid uncontrolled release
Labeling Elements: Not required under GHS standards
Substance: Delta-Decalactone
Purity/Concentration: >98%
Impurities: Minor amounts of related lactones and organic acids possible (typically less than 2%)
Component: Single component chemical
Inhalation: Move person to fresh air, seek medical attention if symptoms develop
Skin Contact: Wash with soap and water, remove contaminated clothing
Eye Contact: Flush with plenty of water for several minutes, continue rinsing, consult a healthcare professional if irritation persists
Ingestion: Rinse mouth, do not induce vomiting, seek medical attention if discomfort occurs
Important Symptoms: Mild irritation possible, no specific immediate effects usually observed
Extinguishing Media: Use foam, dry chemical powder, CO₂, or water spray
Unsuitable Extinguishing Media: High volume water jet
Fire Hazards: Combustible, hazardous fumes of carbon oxides can form
Specific Hazards: Vapors may form flammable mixtures with air at elevated temperatures
Protective Equipment: Firefighters need full protective clothing and self-contained breathing apparatus
Special Procedures: Keep containers cool with water spray, prevent firewater from entering drains
Personal Precautions: Avoid contact with skin, eyes, inhalation of vapors; wear gloves and protective eyewear
Environmental Precautions: Prevent discharge into sewers and waterways
Containment Methods: Stop leak if safe, dike and absorb with inert material (sand, earth), ventilate area
Cleanup Procedures: Collect waste into suitable containers for disposal, wash area with water after removal
Handling: Use in well-ventilated areas, avoid inhaling vapors, prevent accidental spills
Personal Hygiene: Practice good hygiene, do not eat, drink, or smoke while handling
Storage Conditions: Store in tightly closed containers in a cool, dry place away from heat and strong oxidizers
Incompatibilities: Avoid contact with strong acids, alkalis, and oxidizing agents
Container Requirements: Use stainless steel, glass, or suitable plastic
Occupational Exposure Limits: No specific limits established
Engineering Controls: Local exhaust ventilation or adequate general ventilation
Personal Protective Equipment: Protective gloves (nitrile or PVC), safety goggles, lab coat
Respiratory Protection: Not needed under normal handling; use approved respirators if airborne limits are exceeded or vapor formation is likely
Environmental Controls: Regular monitoring for leaks and emissions, proper waste management
Appearance: Colorless to pale yellow liquid
Odor: Peach-like, creamy, fruity aroma
Odor Threshold: Not defined
pH: Not applicable
Melting Point/Freezing Point: 6–9°C
Boiling Point/Range: 281–288°C
Flash Point: 118°C
Evaporation Rate: Negligible at room temperature
Flammability: Not classified as highly flammable
Vapor Pressure: 10 Pa at 20°C
Vapor Density: Greater than air
Relative Density: 0.955–0.965 g/cm³ at 20°C
Solubility: Slightly soluble in water, miscible with alcohols, oils
Partition Coefficient n-octanol/water (Log Kow): 2.4–2.6
Auto-ignition Temperature: >300°C
Decomposition Temperature: Not defined
Viscosity: 13.9 mPa·s at 20°C
Chemical Stability: Stable at standard temperatures and pressures
Reactivity: Low reactivity under normal handling
Possible Hazardous Reactions: May react with strong acids, bases, oxidants
Conditions to Avoid: Elevated temperature, open flames, incompatible materials
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, other irritant gases upon strong heating
Acute Toxicity: Oral LD₅₀ (rat): >5000 mg/kg (low toxicity)
Dermal Toxicity: Not expected to produce harmful effects
Inhalation Toxicity: Not expected to cause significant effects at workplace concentrations
Skin & Eye Irritation: May cause mild irritation to skin and eyes
Carcinogenicity: No evidence from available data; not listed by IARC, NTP, OSHA
Mutagenicity: No mutagenic activity found in standard tests
Repeated Dose Toxicity: Not expected to cause adverse effects with usual handling
Other Effects: In rare cases, sensitization may occur in persons with known fragrance allergies
Ecotoxicity: Low potential for toxicity to aquatic organisms based on structure and low water solubility
Persistence and Degradability: Rapidly biodegradable in the environment (half-life less than 28 days)
Bioaccumulative Potential: Low (log Kow below 3 suggests limited bioaccumulation)
Mobility in Soil: Moderate (may partition into organic matter)
Other Adverse Effects: Use proper disposal to prevent unnecessary environmental release
Waste Treatment Methods: Dispose via licensed waste disposal contractor in accordance with local, regional, national, and international regulations
Waste Identification: Avoid contamination of environment; empty packaging must be thoroughly rinsed
Container Disposal: Containers should be recycled or properly disposed if recycling is not an option
Special Precautions: Do not allow material to enter drains or water courses
UN Number: Not regulated as dangerous goods
Hazard Class: Not applicable
Packing Group: Not applicable
Proper Shipping Name: Delta-Decalactone
Environmental Hazards: Not classified as a marine pollutant
Special Transport Precautions: Use secure, sealed containers; avoid excessive heat and physical damage during transit
Safety, Health and Environmental Regulations: Listed or exempted from inventory lists in many jurisdictions (REACH, TSCA, AICS, DSL)
Label Requirements: Avoid unnecessary contact, indicate product as “Industrial Use” where not intended for direct consumer use
Notification Status: Reach compliant in Europe, meets requirements under US and Canadian regulations
Restrictions: None identified for general industry use; users must comply with specific workplace safety standards
