Product Name: Dibasic Ester (MDBE)
Chemical Family: Ester blend
Chemical Formula: Mixture of dimethyl glutarate, dimethyl succinate, and dimethyl adipate
Common Uses: Paint stripping, resin solvents, cleaning agents, carrier solvents
Manufacturer: Standard industrial chemical producers
Emergency Contact: Local emergency services, regional poison control center
CAS Numbers: Dimethyl glutarate: 1119-40-0, Dimethyl succinate: 106-65-0, Dimethyl adipate: 627-93-0
Hazard Classification: Not classified as hazardous under GHS; eye and skin contact can irritate
GHS Symbols: Exclamation mark for eye and skin irritation
Potential Health Effects: Eyes: redness, watering, discomfort; Skin: dryness, mild irritation; Inhalation: throat irritation, mild headache if vapor concentrations are high; Ingestion: abdominal discomfort, nausea
Chronic Effects: Repeated skin exposure may dry or crack skin
Environmental Hazards: Limited aquatic toxicity but avoid discharging to water bodies
Dimethyl Glutarate: 50–70%
Dimethyl Succinate: 10–25%
Dimethyl Adipate: 10–25%
Impurities: Low levels of other aliphatic esters
Inhalation: Move to fresh air, monitor and seek medical advice if symptoms worsen
Skin Contact: Remove contaminated clothing, wash with mild soap and water for several minutes
Eye Contact: Flush eyes gently with water for at least 15 minutes, remove contact lenses if present and easy to do
Ingestion: Rinse mouth, drink water, do not induce vomiting, seek medical guidance
Most Important Symptoms: Irritation, watery eyes, mild headache
Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical, carbon dioxide
Unsuitable Media: Direct water jets may spread spilled product
Specific Hazards: Fumes may contain carbon monoxide, carbon dioxide; high heat may cause pressure build-up
Protective Equipment: Full protective gear, self-contained breathing apparatus
Advice for Firefighters: Cool nearby closed containers, avoid inhaling fumes
Personal Precautions: Wear gloves, chemical goggles, protective clothing
Spill Cleanup: Contain with absorbent material, collect in suitable, labeled containers for disposal
Environmental Precautions: Prevent entry into drains, waterways, or soil
Handling of Waste: Gather material with non-sparking tools, ventilate the area
Safe Handling: Use in well-ventilated places, avoid contact with skin and eyes, wash hands after use
Incompatible Materials: Strong acids, strong bases, oxidizers
Storage Conditions: Store in tightly closed containers, away from heat or flame, out of direct sunlight
Storage Temperature: Below 40°C, away from freezing temperatures
Container Requirements: Use materials resistant to esters, such as polyethylene or stainless steel
Occupational Exposure Limits: No established limits, minimize exposure
Engineering Controls: Local exhaust ventilation recommended for handling large volumes
Respiratory Protection: Use NIOSH-approved respirators during high vapor exposure, or when aerosolizing
Skin Protection: Wear chemical-resistant gloves, impermeable aprons if risk of splashing exists
Eye Protection: Use chemical safety goggles or face shields
Hygiene Measures: Avoid eating, drinking, smoking in work areas, wash hands thoroughly after handling
Appearance: Clear to slightly hazy liquid
Odor: Mild, slightly fruity ester smell
Boiling Point: 196–230°C depending on composition
Melting Point: Not applicable (liquid at room temperature)
Flash Point: Approximately 94°C (closed cup)
Evaporation Rate: Slower than butyl acetate
Vapor Pressure: Low, below 1 mmHg at 20°C
Density: 1.08 g/cm³ at 20°C
Solubility: Moderate in water, miscible with many organic solvents
pH: Not applicable
Partition Coefficient (n-octanol/water): Moderate, favors organic phase
Viscosity: Low to moderate
Chemical Stability: Chemically stable under ordinary conditions
Conditions to Avoid: Heat, open flame, prolonged exposure to light
Incompatible Substances: Strong oxidizers, acid chlorides, alkalis
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, small amounts of other irritant gases
Polymerization: Not expected under normal handling
Acute Toxicity: Low oral and dermal toxicity based on related esters
Skin Contact: May cause dryness with prolonged exposure
Eye Contact: Causes mild to moderate irritation
Inhalation: Overexposure to vapor may irritate respiratory tract
Chronic Effects: No long-term effects reported at workplace exposure levels
Sensitization: Not recognized as a skin sensitizer
Carcinogenicity: Not listed by IARC, NTP, or OSHA
Reproductive Effects: No reproductive toxicity identified in animal studies
Aquatic Toxicity: Low toxicity to fish and aquatic invertebrates
Persistence and Degradability: Biodegradable in soil and aqueous media
Bioaccumulation Potential: Low, due to moderate partition coefficient
Mobility in Soil: Limited to moderate, depending on saturation and organic content
Other Environmental Effects: Avoid large releases to sewers or waterways, as chemical oxygen demand may rise
Waste Disposal Methods: Incineration or chemical treatment at licensed facility
Contaminated Packaging: Clean containers thoroughly before recycling or disposal
Local Regulations: Consult local, regional, and national regulations for proper disposal method
RCRA Waste Code: Not regulated as a hazardous waste under RCRA
Precautions: Do not reuse empty containers for food or drink
UN Number: Not regulated for transport according to UN, ICAO, IMO, DOT
Proper Shipping Name: Not applicable (non-hazardous)
Packing Group: Not assigned
Transport Hazard Class: Not classified
Special Precautions: Store and ship upright, avoid direct sunlight, secure against tipping or damage
OSHA Status: Not a hazardous chemical under OSHA standards
TSCA Status: All components on US TSCA Inventory
SARA Title III: Not listed as an Extremely Hazardous Substance; reportable quantities do not apply
California Proposition 65: No known chemicals in MDBE blend listed
EU Regulations: Registered under REACH, not classified as a substance of very high concern
Other International Listings: Components listed in inventories for Canada, Australia, Japan, Korea
