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1,6-Hexanediol is a linear aliphatic diol widely used in the production of polyurethanes, polyester resins, coatings, adhesives, and personal care products.
1,6-Hexanediol is known for its excellent reactivity, water solubility, and low volatility, making it a valuable intermediate and multifunctional additive.
1,6-Hexanediol provides flexibility, durability, and improved performance in various formulations due to its two hydroxyl functional groups.
CAS Number: 629-11-8
EC Number: 211-074-0
Molecular Formula: C6H14O2
Molecular Weight: 118.17 g/mol
Synonyms: Hexane-1,6-diol, 1,6-Dihydroxyhexane, HDO, Hexamethylene glycol, 1,6-Hexylene glycol, 1,6-Diol, 1,6-HD, Linear Aliphatic Diol, Hexanediol Industrial Grade, Hexanediol Cosmetic Grade, 1,6‑Hexanediol; Hexane‑1,6‑diol; Hexamethylene glycol; 1,6‑Dihydroxyhexane; Hexamethylenediol; HDO; 1,6‑Hexylene glycol; Hexan‑1,6‑diol; Hexamethylene diol; 1,6‑HD; 1,6‑Hexandiol; Methane tetradiol; C₆H₁₄O₂; HO‑(CH₂)₆‑OH; Adipic acid hydrogenation product
APPLICATIONS
1,6-Hexanediol is used as a chain extender in the synthesis of polyurethanes to enhance flexibility and mechanical properties.
1,6-Hexanediol improves abrasion resistance and elongation in elastomeric polyurethane products.
1,6-Hexanediol supports the production of soft foams and coatings with high hydrolytic stability.
1,6-Hexanediol is employed in polyester polyols and alkyd resins for coatings and paints.
1,6-Hexanediol contributes to improved weather resistance and hardness in protective coatings.
1,6-Hexanediol allows production of clear, durable finishes with excellent gloss retention.
1,6-Hexanediol is used in UV-curable formulations such as acrylates for coatings and inks.
1,6-Hexanediol acts as a reactive diluent or monomer for high-performance UV coatings.
1,6-Hexanediol provides low shrinkage and enhanced flexibility in cured films.
1,6-Hexanediol is incorporated into adhesives and sealants for strength and flexibility.
1,6-Hexanediol increases cohesive strength and water resistance in reactive hot-melt adhesives.
1,6-Hexanediol is used in structural and pressure-sensitive adhesives.
1,6-Hexanediol is included in personal care products such as creams and lotions as a humectant.
1,6-Hexanediol retains moisture and enhances the softness and smoothness of skin.
1,6-Hexanediol contributes to product stability and sensory appeal.
1,6-Hexanediol is used as a coupling agent and solubilizer in cosmetic formulations.
1,6-Hexanediol assists in the dispersion of active ingredients and emulsification.
1,6-Hexanediol reduces the greasy feel of oil-based ingredients.
1,6-Hexanediol is applied in the synthesis of plasticizers for polymers like PVC.
1,6-Hexanediol provides internal plasticization and improves flexibility of polymeric materials.
1,6-Hexanediol enhances the thermal and chemical resistance of the final product.
1,6-Hexanediol is used in textile finishing agents and fiber lubricants.
1,6-Hexanediol improves textile softness, anti-static properties, and smoothness.
1,6-Hexanediol enables better dye uptake and processing efficiency.
1,6-Hexanediol is employed in corrosion inhibitors and metalworking fluids.
1,6-Hexanediol provides lubrication and corrosion protection in cutting and forming operations.
1,6-Hexanediol enhances biodegradability and low toxicity profiles in formulations.
1,6-Hexanediol is used in lubricant and hydraulic fluid formulations for its viscosity-modifying properties.
1,6-Hexanediol improves oxidative stability and anti-wear performance.
1,6-Hexanediol is suitable for use in synthetic ester-based fluids and greases.
1,6-Hexanediol is used as a chain extender in the synthesis of polyurethanes.
1,6-Hexanediol is applied in coatings to enhance durability and flexibility.
1,6-Hexanediol is used in UV-curable resins for better crosslinking efficiency.
1,6-Hexanediol is incorporated into adhesives to improve thermal stability.
1,6-Hexanediol is used in elastomer formulations to enhance elasticity.
1,6-Hexanediol is added to plasticizers to improve low-temperature performance.
1,6-Hexanediol is used in polyester production for greater mechanical strength.
1,6-Hexanediol is applied in alkyd resins for automotive and industrial coatings.
1,6-Hexanediol is used in lubricants to reduce friction and increase fluid stability.
1,6-Hexanediol is incorporated into hot-melt adhesives for improved adhesion.
1,6-Hexanediol is used in reactive diluents for epoxy resins to lower viscosity.
1,6-Hexanediol is added to cosmetic formulations as a humectant and emollient.
1,6-Hexanediol is used in hair care products to enhance moisture retention.
1,6-Hexanediol is included in skincare products to improve texture and hydration.
1,6-Hexanediol is used in eye creams to provide a smooth, silky feel.
1,6-Hexanediol is applied in sunscreens for better dispersion of active ingredients.
1,6-Hexanediol is included in makeup removers to break down waterproof formulas.
1,6-Hexanediol is used in deodorants for its solvent and stabilizing properties.
1,6-Hexanediol is incorporated into oral care products as a carrier agent.
1,6-Hexanediol is used in pharmaceutical formulations as a solubilizer.
1,6-Hexanediol is applied in topical ointments to maintain product consistency.
1,6-Hexanediol is used in inkjet printing inks to control viscosity.
1,6-Hexanediol is incorporated into photoresist chemicals in electronics manufacturing.
1,6-Hexanediol is used in 3D printing materials for better curing and flow.
1,6-Hexanediol is applied in battery electrolytes for enhanced conductivity.
1,6-Hexanediol is used in the production of biodegradable polymers.
1,6-Hexanediol is added to flexible packaging films to improve flexibility.
1,6-Hexanediol is used in textile finishing agents to impart softness.
1,6-Hexanediol is incorporated into anti-corrosion coatings for metal protection.
1,6-Hexanediol is used in waterborne coatings for better film formation.
1,6-Hexanediol is applied in sealants for improved cohesion and resistance.
1,6-Hexanediol is included in flame retardant formulations as a building block.
1,6-Hexanediol is used in agricultural chemicals as a solvent.
1,6-Hexanediol is applied in fragrance carriers for better evaporation control.
1,6-Hexanediol is used in cleaning formulations to dissolve grease and oils.
1,6-Hexanediol is incorporated into leather treatments for pliability.
1,6-Hexanediol is used in industrial cleaners for its compatibility with other solvents.
1,6-Hexanediol is used in gel formulations for viscosity modification.
1,6-Hexanediol is applied in thermoplastic polyurethane production.
1,6-Hexanediol is included in resin dispersions to enhance gloss.
1,6-Hexanediol is used in floor coatings for scratch resistance.
1,6-Hexanediol is applied in medical coatings for catheters and devices.
1,6-Hexanediol is used in water-resistant varnishes for furniture protection.
1,6-Hexanediol is included in nonionic surfactants as a hydrophilic component.
1,6-Hexanediol is used in pigment dispersions for stable formulation.
1,6-Hexanediol is incorporated into high-gloss printing inks.
1,6-Hexanediol is applied in film-forming polymers for cosmetics.
1,6-Hexanediol is used in biocide carriers for controlled release.
1,6-Hexanediol is added to coating additives for leveling properties.
1,6-Hexanediol is used in anti-blocking agents for plastic films.
1,6-Hexanediol is a linear diol with the chemical formula C6H14O2.
DESCRIPTION
1,6-Hexanediol is a colorless to pale yellow crystalline solid or viscous liquid with a mild, sweet odor.
1,6-Hexanediol is hygroscopic and soluble in water and most polar organic solvents.
1,6-Hexanediol has two terminal hydroxyl groups, allowing for high reactivity in polycondensation and addition reactions.
1,6-Hexanediol is produced by hydrogenation of adipic acid or through aldol condensation followed by hydrogenation.
1,6-Hexanediol offers excellent thermal and chemical stability in many systems.
1,6-Hexanediol is often used in high-performance industrial and cosmetic formulations.
1,6-Hexanediol is biodegradable and considered to have low environmental impact.
1,6-Hexanediol does not bioaccumulate and is non-toxic to aquatic organisms at typical use concentrations.
1,6-Hexanediol complies with major global chemical and cosmetic regulatory requirements.
1,6-Hexanediol enhances formulation versatility and provides multi-functionality as both a solvent and reactive intermediate.
1,6-Hexanediol can be incorporated into a wide variety of end-use products, including inks, foams, coatings, and cleansers.
1,6-Hexanediol offers favorable toxicological and ecological profiles for modern industrial applications.
1,6-Hexanediol appears as a white crystalline solid or colorless liquid depending on the temperature.
1,6-Hexanediol is primarily used as a monomer and intermediate in polymer chemistry.
1,6-Hexanediol has two terminal hydroxyl groups, making it highly reactive in condensation reactions.
1,6-Hexanediol enhances the flexibility and mechanical strength of polymer chains.
1,6-Hexanediol is miscible with water and many organic solvents.
1,6-Hexanediol is produced via hydrogenation of adipic acid or by hydroformylation methods.
1,6-Hexanediol is known for its low volatility and high thermal stability.
1,6-Hexanediol is considered relatively low in toxicity but should be handled with care.
1,6-Hexanediol is an important raw material in the production of high-performance polyesters, polyurethanes, and coatings.
PROPERTIES
Chemical Name: 1,6-Hexanediol
Molecular Formula: C6H14O2
Molecular Weight: 118.17 g/mol
Appearance: Colorless to pale yellow solid or viscous liquid
Odor: Mild, sweet
Melting Point: 40–42°C
Boiling Point: ~250°C
Flash Point: 145°C (closed cup)
Solubility: Miscible with water, alcohols, and glycols
Density: ~0.96 g/cm³ at 20°C
Viscosity: 100–130 mPa·s at 20°C
Vapor Pressure: <0.01 mmHg at 20°C
pH (5% solution): ~6.5–7.5
Shelf Life: 24 months under recommended storage
Storage: Keep tightly closed in cool, dry, well-ventilated area
Stability: Stable under normal processing and storage conditions
FIRST AID
Inhalation:
Move to fresh air if inhaled.
Seek medical attention if symptoms persist.
Provide oxygen or artificial respiration if necessary.
Skin Contact:
Wash skin with soap and water.
Remove contaminated clothing.
Seek medical attention if irritation develops.
Eye Contact:
Flush with water for at least 15 minutes.
Remove contact lenses if present.
Seek immediate medical attention if discomfort continues.
Ingestion:
Rinse mouth with water.
Do not induce vomiting.
Seek medical advice if large quantities are ingested.
Note to Physicians:
Provide symptomatic treatment.
No specific antidote is required.
HANDLING AND STORAGE
Handling:
Avoid contact with eyes, skin, and clothing.
Wear suitable protective equipment (gloves, goggles, lab coat).
Use with adequate ventilation or local exhaust.
Ventilation:
Ensure good ventilation during handling and processing.
Use fume hoods if necessary.
Storage:
Store in a cool, dry, and well-ventilated area.
Keep containers tightly closed.
Protect from moisture and sources of ignition.
Spill Procedures:
Absorb with inert materials (sand, vermiculite).
Clean up using non-sparking tools.
Dispose of according to local environmental regulations.
Disposal:
Dispose of in accordance with local, regional, and national regulations.
Do not discharge into waterways or soil.
