Product Name: 1,3-Butanediol Dimethacrylate
Synonyms: 1,3-Butylene glycol dimethacrylate; 1,3-Butanediol, dimethacrylate
CAS Number: 107-65-9
Recommended Use: Reactive monomer used in polymer synthesis and adhesives
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Classification According to GHS: Flammable liquid (Category 3), Skin sensitizer (Category 1), Eye irritant (Category 2A), Aquatic hazard – chronic (Category 3)
Label Elements: Signal Word - Warning
Hazard Statements: Flammable liquid and vapor; May cause allergic skin reaction; Causes serious eye irritation; Harmful to aquatic life with long-lasting effects
Pictograms: Flame, Exclamation mark
Precautionary Statements: Keep away from heat/sparks/open flames/hot surfaces; Wear protective gloves, clothing, and eye/face protection; Avoid release to the environment; Handle in ventilated area
Other Hazards: Vapors may form explosive mixtures with air; Can polymerize under certain conditions
Chemical Name: 1,3-Butanediol Dimethacrylate
CAS Number: 107-65-9
Concentration: 98–100%
Impurities: Trace stabilizers (like hydroquinone monomethyl ether, ppm levels); Residual monomers (below 1%)
Other Components: No hazardous components present above cut-off values
Inhalation: Move the affected person to fresh air immediately; Provide oxygen if breathing is difficult; Seek medical advice if symptoms persist
Skin Contact: Remove contaminated clothing; Wash area with soap and water; Seek medical attention if irritation or allergic reactions develop
Eye Contact: Rinse eyes with plenty of water for at least 15 minutes, holding lids apart; Remove contact lenses if present; Seek prompt medical assistance
Ingestion: Rinse mouth; Do not induce vomiting; Seek immediate medical attention; Never give anything by mouth to an unconscious person
Most Important Symptoms: Irritation, redness, itching, burns, possible sensitization with repeated exposure
Suitable Extinguishing Media: Carbon dioxide, alcohol-resistant foam, dry chemical, water spray
Unsuitable Extinguishing Media: Direct water jet
Specific Hazards: Vapors form explosive mixtures in air; Burning produces acrid smoke, carbon monoxide, carbon dioxide, possible toxic acrylate fumes
Personal Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective gear
Firefighting Instructions: Cool exposed containers with water; Prevent runoff from entering sewers or water bodies; Isolate hazard area; Evacuate unnecessary personnel
Personal Precautions: Evacuate area; Avoid contact with skin and eyes; Ventilate area; Eliminate ignition sources
Protective Equipment: Use gloves, splash protective goggles, flame-resistant clothing, chemical-resistant boots
Environmental Precautions: Prevent spillage from reaching drains, soil, or water bodies; Contain spill with inert matter such as sand or earth
Methods for Cleanup: Collect residue in labeled, sealable containers for disposal; Clean spill area with compatible solvent; Dispose under local regulations
Handling: Work within well-ventilated areas; Wear suitable personal protection; Avoid inhaling vapors or contact with skin and eyes; Prevent buildup of static electricity
Storage Conditions: Store in tightly closed original containers; Keep in a cool, dry, well-ventilated space; Store away from ignition sources, sunlight, and incompatible materials (strong oxidizers, acids, bases); Use inhibitor-stabilized containers
Incompatible Materials: Peroxides, strong acids, alkalis, oxidizing agents
Occupational Exposure Limits: No established limit for 1,3-Butanediol Dimethacrylate (keep airborne concentrations as low as possible)
Engineering Controls: Use local exhaust ventilation or process enclosures; Install explosion-proof electrical equipment
Personal Protective Equipment:
Gloves: Nitrile or butyl rubber
Eye/Face Protection: Chemical splash goggles or face shield
Respiratory Protection: Suitable organic vapor respirator if airborne limits are approached
Other PPE: Flame-resistant lab coat, chemical-resistant apron, closed-toe shoes
Hygiene Measures: Wash hands after handling, before breaks, and at end of work
Appearance: Clear, colorless to light yellow liquid
Odor: Mild, acrylate-like
Odor Threshold: Not available
pH: Not determined
Melting Point: –60°C (approximate)
Boiling Point: 95–100°C (at 13 mmHg)
Flash Point: 102°C (closed cup)
Evaporation Rate: Not determined
Flammability: Flammable liquid
Vapor Pressure: <0.1 mmHg at 20°C
Vapor Density: >1 (air=1)
Specific Gravity: 1.02–1.04
Solubility: Slightly soluble in water; soluble in most common organic solvents
Partition Coefficient (log Pow): 1.4 (estimate)
Auto-ignition Temperature: 265°C
Decomposition Temperature: Not specified
Viscosity: 7–9 mPa·s at 20°C
Chemical Stability: Stable under recommended storage and handling conditions; may polymerize violently if exposed to heat, peroxides, or strong UV-light
Conditions to Avoid: Excessive heat, sparks, open flames, direct sunlight, sources of free radical formation (such as peroxides)
Incompatible Materials: Strong oxidizers, acids, bases, peroxides
Hazardous Polymerization: May occur if not properly stabilized or if contaminating agents are present
Decomposition Products: Acrid smoke, carbon monoxide, carbon dioxide, acrylate monomer fumes
Acute Toxicity: LD50 Oral (Rat): estimated >5000 mg/kg
Skin Corrosion/Irritation: Repeated contact may cause irritation, redness, or dermatitis; may sensitize skin
Eye Damage/Irritation: Causes eye irritation, redness, and discomfort
Respiratory Irritation: Inhalation may lead to coughing, breathing discomfort, and headaches
Sensitization: Can cause allergic skin reaction upon repeated exposure
Chronic Toxicity: Long-term, high exposure may affect liver or kidneys
Carcinogenicity, Mutagenicity, Reproductive Toxicity: No data available suggesting carcinogenicity or mutagenicity; data on reproductive effects not established for this compound
Ecotoxicity: Toxic to aquatic life (low chronic aquatic toxicity threshold); LC50 (fish, 96 h): >10 mg/L
Persistence and Degradability: Not readily biodegradable; tends to persist in water or soil
Bioaccumulative Potential: Low, based on partition coefficient
Mobility in Soil: Low mobility, but could leach to groundwater under certain conditions
Other Adverse Effects: Avoid release into natural water sources—may cause morphological changes or stress in aquatic organisms
Waste Treatment Methods: Dispose as hazardous organic chemical waste according to local, regional, and national regulations
Product Disposal: Burn in a suitable chemical incinerator equipped with afterburner and scrubber; do not pour into drains or environment
Contaminated Packaging: Empty containers retain residue; treat as hazardous and dispose via approved waste handler
Special Precautions: Wear suitable protective equipment during disposal activities; Follow site-specific protocols for acrylate monomers
UN Number: 1993
UN Proper Shipping Name: Flammable Liquid, N.O.S. (contains 1,3-Butanediol Dimethacrylate)
Transport Hazard Class: 3 (Flammable Liquids)
Packing Group: III
Environmental Hazards: Marine pollutant (as per specific local guidelines)
Special Precautions for User: Keep away from heat, sparks, and open flames; use sealed, upright containers; secure loads to avoid shifting
Transport in Bulk: Should follow International Maritime Bulk Chemical Code for acrylate monomers, if shipped in bulk
OSHA Status: Hazardous chemical as defined by OSHA Hazard Communication Standard
TSCA Inventory: Listed
REACH Registration: Registered under ECHA/REACH as an industrial use chemical/substance
SARA Title III: Not specifically listed; contains no components at or above the de minimis threshold
California Prop 65: Not listed
Other International Legislation: Listed on Australian AICS, Canada DSL, Japan ENCS, Korea ECL, China IECSC
Additional Requirements: Comply with all national, regional, and local regulations regarding handling, labeling, and disposal
