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Product Name: Glyceryl Monocaprylate
Chemical Formula: C11H22O4
CAS Number: 26402-26-6
Synonyms: Monocaprylin, Glycerol Caprylate, 2,3-Dihydroxypropyl octanoate
Recommended Use: Preservative, emulsifier for cosmetic and personal care products, intermediate in esters and surfactants production
Manufacturer Information: Supplier address and contact, including emergency phone number, should appear here to guide handlers in case urgent information is needed quickly.
Restrictions: Industrial and laboratory use, not intended for direct food or pharmaceutical applications without compliance checks.
Hazard Classifications: Not classified as hazardous under GHS criteria.
Label Elements: No pictograms, signal words, or hazard statements are mandated; use good industrial hygiene.
Physical Hazards: May irritate eyes or skin following prolonged exposure; heat can generate irritating vapors.
Health Hazards: Mild skin irritation or redness, possible eye irritation or tearing; respiratory irritation unlikely but possible if mist is generated.
Environmental Hazards: No major environmental risk at typical usage levels.
Precautionary Statements: Avoid contact with eyes and skin; wash thoroughly after handling; use protective gear where exposure is likely.
Chemical Name: Glyceryl Monocaprylate
Content: >90% purity
Impurities: Glyceryl dicaprylate (minor), caprylic acid (trace)
Additives: None to minimal, should remain below 1% by weight.
CAS Number: 26402-26-6
EC Number: 247-668-1
Molecular Weight: 218.29 g/mol
Eye Contact: Immediately flush with plenty of water for at least 15 minutes; lift upper and lower eyelids; seek medical attention for persistent discomfort.
Skin Contact: Wash exposed area with mild soap and water; remove contaminated clothing; see medical care if irritation develops.
Inhalation: Move to fresh air promptly; rinse mouth and nasal passages with water if discomfort occurs.
Ingestion: Rinse mouth thoroughly; do not induce vomiting; seek professional medical evaluation if large quantity swallowed or symptoms occur.
Most Important Symptoms: Slight reddening, irritation, mild stinging sensation, coughing following high vapor exposure.
Suitable Extinguishing Media: Carbon dioxide, foam, dry chemical, water spray.
Unsuitable Media: Direct water streams can scatter and spread burning material.
Specific Hazards: Combustion releases carbon oxides (CO, CO2), acrolein, and small organics.
Protective Equipment: Firefighters use full protective clothing and self-contained breathing apparatus.
Special Procedures: Cool fire-exposed containers with water spray; avoid inhalation of vapors or smoke; control run-off to prevent contamination.
Personal Precautions: Wear gloves and safety goggles; ventilate area.
Environmental Precautions: Prevent large spills from entering drains or surface water; notify local authorities about significant releases.
Cleanup Methods: Use inert absorbent such as sand or earth; collect and place in a suitable container for safe disposal.
Spill Response: Small amounts can be wiped up; larger spills require diking and collection for disposal per guidelines.
Avoid: Skin contact, inhaling vapor or mist during cleanup.
Safe Handling: Keep containers tightly closed; avoid unnecessary physical contact.
Technical Measures: Use with adequate ventilation; maintain basic hygiene and prevent buildup of vapor or mist.
Storage Conditions: Store in cool, dry, well-ventilated place; keep away from sources of ignition.
Incompatible Materials: Strong oxidizers, acids, alkalis.
Storage Class: Store in area approved for organics and esters, ideally below 30°C and away from direct sunlight.
Packaging: Use sturdy and sealed containers, avoid metal vessels prone to oxidation.
Exposure Limits: No official occupational exposure limits assigned.
Engineering Controls: Local exhaust or general ventilation improves air quality.
Personal Protection: Chemically resistant gloves (nitrile, PVC), splash-proof goggles, protective clothing.
Respiratory Protection: Respirator mask suggested if mist or vapor concentrations become noticeable.
Hygiene Measures: Wash hands after use, before eating or using facilities; avoid inhaling any mist generated.
Other Protection: Eye-wash station and safety shower recommended nearby work area.
Appearance: Clear to pale yellow, oily liquid
Odor: Light, fatty or soapy
Melting Point: 20-27°C
Boiling Point: 335°C at 760 mmHg
Flash Point: >180°C (closed cup)
Solubility: Insoluble in water, soluble in alcohol and organic solvents
Density: 0.96 g/cm³ at 25°C
Viscosity: About 50-70 mPa.s (25°C)
pH: Not applicable
Partition Coefficient (log Kow): Estimated 5-6
Vapor Pressure: <0.01 mmHg at 25°C
Stability: Stable under recommended storage conditions; esters can slowly hydrolyze in presence of acids or bases.
Reactivity: Not reactive with most common substances; avoid contact with highly reactive chemicals.
Conditions to Avoid: Strong heat, open flames, direct sunlight, moisture ingress.
Hazardous Decomposition: Burning creates carbon monoxide, carbon dioxide, smaller hydrocarbons.
Polymerization: Will not polymerize spontaneously.
Incompatibles: Avoid storing near oxidizing materials and strong acids.
Routes of Exposure: Eyes, skin, ingestion, inhalation of mist.
Acute Effects: Mild eye or skin irritation, no severe acute toxicity observed at low exposures.
LD50 (Oral-Rat): >5000 mg/kg
Chronic Effects: No evidence suggests carcinogenic, mutagenic, or reproductive toxicity with normal handling.
Sensitization: Not expected to cause sensitization with typical contact.
Other Information: Prolonged contact may aggravate existing dermatitis or skin conditions.
Aquatic Toxicity: Low; readily biodegradable by standard screening tests.
Persistence and Degradability: Ester linkages hydrolyze to fatty acids and glycerol in environment.
Bioaccumulation Potential: Unlikely, high partition coefficient but metabolized quickly.
Mobility: Limited, tends to remain at surface in water; low vapor pressure restricts air transport.
Other Adverse Effects: None known at likely concentrations of use or accidental release.
Disposal Methods: Treat as non-hazardous organic waste; incinerate in approved facility or land-filled per local regulations.
Contaminated Packaging: Empty containers can be cleaned and recycled or incinerated.
Regulatory Considerations: Not a hazardous waste by federal or European (EWC) standards.
Precautions: Prevent bulk disposal to sewage or surface waterways.
UN Number: Not regulated for transport
Proper Shipping Name: Glyceryl Monocaprylate
Hazard Class: Not classified as dangerous goods by IATA, IMDG, or ADR road/rail standards.
Packing Group: Not assigned
Transport Labels: None required beyond general chemical labeling.
Additional Information: Secure against shifting loads; protect from moisture and rough handling during transit.
Classification: Not classified as hazardous under US OSHA, EU CLP/GHS, or Canadian WHMIS.
Inventory Listings: Registered under REACH (EU), TSCA (US), DSL/NDSL (Canada), and other major chemical inventories.
SARA Title III: Not listed, does not contain substances subject to SARA 313 reporting.
California Prop 65: No chemicals requiring warning identified.
EINECS/ELINCS: Listed as 247-668-1.
Other: Not restricted as a food contact substance or indirect additive in US/EU at specified purity grades.
