Product Name: 1,6-Hexanediol Diacrylate
Synonyms: HDDA, 1,6-Hexanediol di(meth)acrylate
Chemical Formula: C12H18O4
CAS Number: 13048-33-4
Recommended Use: Reactive diluent, oligomer modifier, ink, coating, adhesive, sealant, photopolymer
Supplier: Chemical manufacturing and distribution companies; check packaging or purchase documents for specific contact details
Emergency Contact: Emergency phone number typically listed on shipping paperwork; poison control centers can provide human health guidance
GHS Classification: Skin irritation - Category 2; Eye irritation - Category 2A; Sensitisation, skin - Category 1
Pictograms: Exclamation mark
Signal Word: Warning
Hazard Statements: Causes skin irritation. Causes serious eye irritation. May cause an allergic skin reaction.
Precautionary Statements: Wear protective gloves, clothing, and eye protection. Use in a well-ventilated place. Do not breathe vapors, mists, or spray. Wash thoroughly after handling.
Routes of Entry: Inhalation, skin absorption, eye and oral contact
Potential Health Effects: Irritation of eyes, skin, and respiratory system. May trigger allergic reactions on skin contact. Inhalation above threshold limits can cause dizziness or headaches.
Chemical: 1,6-Hexanediol diacrylate
CAS Number: 13048-33-4
Weight Percentage: Typically over 98%
Impurities: Trace amounts of other acrylates, inhibitors such as MEHQ (monomethyl ether hydroquinone) at levels below 200 ppm as stabilizer
Formulation Notes: Reactive diluents or photo-initiators may be present in specific blends; check with formulation provider
Skin Contact: Remove contaminated clothing. Wash affected area with plenty of soap and water. Get medical attention if irritation or rash persists.
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical advice if irritation develops.
Inhalation: Move person to fresh air. Keep at rest in a position comfortable for breathing. Seek medical attention for persistent symptoms such as coughing, shortness of breath, or headache.
Ingestion: Rinse mouth. Do not induce vomiting. Get immediate medical attention.
Important Symptoms/Effects: Redness, swelling, itching, respiratory discomfort
Suitable Extinguishing Media: Alcohol-resistant foam, dry chemical, carbon dioxide, water spray
Unsuitable Media: High-pressure water jets may spread chemical
Specific Hazards: May emit toxic fumes under fire conditions, including carbon monoxide, carbon dioxide, and acrid smoke
Protective Equipment: Firefighters use self-contained breathing apparatus and full protective gear
Firefighting Guidance: Cool closed containers exposed to fire with water spray to prevent pressure buildup
Personal Precautions: Evacuate unnecessary personnel. Avoid eye and skin contact. Wear proper PPE including gloves, goggles, and respirator if ventilation is poor.
Environmental Precautions: Prevent entry into soil, drains, watercourses. Notify authorities if large spills enter the environment.
Cleanup Methods: Absorb with inert material (sand, vermiculite). Collect in suitable container for proper disposal. Clean contaminated surfaces with detergent.
Decontamination: Rinse area with water and ensure proper ventilation
Safe Handling: Work in areas with local exhaust ventilation. Use chemical-resistant gloves and eye protection. Store in tightly closed containers. Avoid contact with skin and eyes.
Storage Conditions: Store in a cool, dry, well-ventilated warehouse in original packaging. Protect from direct sunlight, heat, and sources of ignition.
Incompatibilities: Strong oxidizers, acids, bases, peroxides
Special Requirements: Keep away from sources of ignition and static discharge
Handling Practices: Use spark-proof tools and explosion-proof equipment.
Engineering Controls: Local exhaust ventilation, fume hoods, closed processes
Exposure Limits: No OSHA or ACGIH exposure limits established; minimize exposure according to best practices
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), safety goggles, face shield, protective clothing/coveralls
Respiratory Protection: If airborne concentrations exceed recommended limits, use half mask respirator with organic vapor cartridge or supplied-air respirator
Hygiene Measures: Wash hands after use, do not eat or drink while handling
Appearance: Clear, colorless to pale yellow liquid
Odor: Sharp, slightly acrylate-like
Odor Threshold: Not established, pungent at high concentrations
Density: 1.01 – 1.02 g/cm³ at 20°C
Boiling Point: 120 – 135°C at reduced pressure
Melting Point: <-20°C
Vapor Pressure: <0.1 mmHg at 20°C
Flash Point: 108°C (closed cup)
Viscosity: 7 – 14 mPa.s at 25°C
Solubility: Insoluble in water, miscible with organic solvents (acetone, toluene)
pH: Not applicable (non-aqueous liquid)
Partition Coefficient (n-octanol/water): Log Pow: approx. 3.0
Decomposition Temperature: >200°C
Auto-ignition Temperature: >260°C
Chemical Stability: Remains stable under recommended conditions; contains stabilizers to prevent premature polymerization
Conditions to Avoid: Heat, sunlight, UV light, sources of ignition, static discharge
Incompatible Materials: Strong oxidizing agents, acids, bases, peroxides, free radical initiators
Hazardous Reactions: May polymerize violently if exposed to heat, direct sunlight, or incompatible materials
Decomposition Products: Carbon oxides, acrid smoke, toxic fumes
Acute Toxicity: Low acute oral, dermal, and inhalation toxicity; LD50 (oral, rat) >2,000 mg/kg
Skin Corrosion/Irritation: Moderate skin irritant; repeated or prolonged exposure increases risk
Serious Eye Damage/Irritation: May cause burning, redness, and watering
Respiratory Sensitization: Inhalation of aerosols may provoke irritation or sensitization
Skin Sensitization: Confirmed sensitizer in animal and human tests
Chronic Toxicity: No evidence of carcinogenicity, mutagenicity, or teratogenicity from available data
Target Organs: Eyes, skin, respiratory system
Ecotoxicity: Harmful to aquatic organisms; fish LC50 (96h) <10 mg/L
Bioaccumulation: Not expected to significantly bioaccumulate (Log Pow 3.0)
Environmental Fate: Poorly soluble in water, partially biodegradable under aerobic conditions
Mobility in Soil: Moderately mobile; may leach if spilled in large quantities
PBT/vPvB Assessment: Not expected to meet persistent, bioaccumulative, and toxic criteria
Water Hazard Classification: Classified as hazardous to water ecosystems
Waste Methods: Handle as hazardous waste. Incinerate in facility with scrubber. Do not dispose in drains, surface water, or landfill without appropriate permits.
Container Disposal: Empty containers need thorough cleaning before recycling or disposal. Non-cleanable containers must be handled as hazardous waste.
Relevant Regulations: Local, state, national, and international laws restrict improper disposal; consult authorities on requirements.
UN Number: 3082
Proper Shipping Name: Environmentally hazardous substance, liquid, n.o.s. (contains 1,6-Hexanediol Diacrylate)
Transport Hazard Class: 9 (Miscellaneous dangerous substances)
Packing Group: III
IMDG/IMO, IATA/ICAO: Regulated for marine and air transport
Environmental Hazards: Marine pollutant
Special Precautions: Secure containers to prevent tipping and leakage. Mark packages with “Marine Pollutant” label for sea transport.
Inventory Listings: Listed on TSCA (USA), EINECS (EU), REACH (EU), DSL (Canada), ENCS (Japan), AICS (Australia)
Classification: Classified as hazardous under OSHA Hazard Communication Standard, WHMIS, GHS
SARA Title III: Not listed as an extremely hazardous substance
California Prop 65: Not listed as a carcinogen or reproductive toxicant
REACH Restrictions: Registration and use restrictions in some EU jurisdictions; users must check for updates
Labeling Requirements: Container labels must bear hazard pictograms and safety codes per GHS/OSHA
Other Requirements: Users must provide Safety Data Sheets to workers and follow all workplace control measures
