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Product Name: Dodecanedioic Acid
Chemical Name: Dodecanedioic Acid
Synonyms: DDDA, Decamethylene Dicarboxylic Acid
CAS Number: 693-23-2
Use: Intermediate for coatings, resins, plastics, adhesives, powder coatings, engineering polymers
Supplier Identification: Manufacturer or supplier contact details including emergency phone numbers and address details found on shipping documentation
Recommended Usage: Industrial applications, chemical synthesis, laboratory research
Classification (GHS): Eye irritation Category 2, Skin irritation Category 2
Pictogram: Exclamation Mark
Signal Word: Warning
Hazard Statements: Causes skin and eye irritation, may cause respiratory irritation upon dust inhalation
Precautionary Statements: Avoid dust generation, wash skin thoroughly, use protective clothing, handle in well-ventilated conditions, wear eye and face protection
Other Hazards: Dust form can cause mechanical irritation to mucous membranes
Chemical Name: Dodecanedioic Acid
Common Names: DDDA
CAS Number: 693-23-2
Content: ≥ 99%
Impurities: Trace organics & moisture, no significant contributors to hazard classification
Eye Contact: Rinse thoroughly with plenty of water for 15 minutes, remove contact lenses if present, seek medical attention if irritation persists
Skin Contact: Wash area with soap and water, remove contaminated clothing, seek medical attention if redness or irritation continues
Ingestion: Rinse mouth, do not induce vomiting, drink water to dilute, get medical advice if symptoms develop
Inhalation: Move to fresh air, seek medical attention if breathing becomes difficult, support breathing as necessary
Most important symptoms: Eye redness, skin discomfort, respiratory tract irritation
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Extinguishing Media: High-pressure water streams may spread dust
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, other organic vapors
Protective Equipment: Firefighters require self-contained breathing apparatus, chemical resistant gloves
Additional Advice: Evacuate non-essential personnel, prevent fire run-off from reaching drains or waterways
Personal Precautions: Avoid dust formation, ventilate area, use personal protective equipment
Environmental Precautions: Prevent entry of large spills into drains or waterways, prevent soil contamination
Spill Containment: Collect material mechanically, avoid generating dust during cleanup, store collected material in sealed containers for proper disposal
Clean Up: Clean surface thoroughly with water after material removal
Safe Handling: Use protective clothing and gloves, avoid contact with eyes and skin, avoid dust inhalation, use local exhaust
Storage Requirements: Store in original, tightly closed containers, keep in a cool, dry, ventilated area away from incompatible substances like strong oxidizers
Engineering Measures: Maintain appropriate ventilation around handling and transfer points
Special Storage Conditions: Protect from moisture, keep away from food and animal feed, segregate from strong acids and bases
Exposure Limit Values: No occupational exposure limits (OEL) established for dodecanedioic acid as of latest standards
Engineering Controls: Apply local exhaust at dust-generating locations, use general dilution ventilation
Personal Protective Equipment: Chemical-resistant gloves, safety goggles, long-sleeve protective clothing, approved dust mask or respirator
Hygiene Measures: Wash hands and face before eating, drinking, or smoking, keep work clothes separate from street clothes
Appearance: White crystalline powder
Odor: Odorless
pH (solution): 3-4 (1% in water)
Melting Point: 128-132 °C
Boiling Point: Decomposes before boiling
Flash Point: > 200 °C (open cup)
Flammability: Material does not readily ignite under standard conditions
Solubility in Water: Slightly soluble (70 mg/L at 25 °C)
Vapor Pressure: Negligible at room temperature
Relative Density: 1.15 g/cm³
Chemical Stability: Stable under recommended handling and storage conditions
Thermal Decomposition: Decomposes on heating producing carbon oxides and organic decomposition products
Reactivity Profile: Unreactive towards most substances under ambient conditions
Incompatible Materials: Strong oxidizing agents, strong bases
Hazardous Polymerization: Does not polymerize
Acute Toxicity: Oral LD50 (rat): > 5000 mg/kg (low toxicity)
Skin Irritation: May cause mild skin irritation in sensitive persons
Eye Irritation: Causes moderate irritation upon mechanical contact
Chronic Effects: No evidence of sensitization or chronic illness through typical workplace exposures
Inhalation: Dust can cause respiratory irritation, coughing, sneezing
Carcinogenicity: No known cancer risk from exposure
Mutagenicity: No reported mutagenic effects
Aquatic Toxicity: Low toxicity to aquatic life, LC50 (fish) > 100 mg/L (acute)
Persistence and Degradability: Biodegrades in the environment, half-life in water measured at several days to weeks
Bioaccumulation Potential: Negligible, low log Kow (octanol-water partition coefficient)
Mobility in Soil: Moderate mobility due to partial solubility and organic acid properties
Other Adverse Effects: At high concentrations, potential to lower pH of small water bodies and harm aquatic organisms indirectly
Disposal Methods: Dispose of material in accordance with local, regional, and national regulations
Container Disposal: Rinse empty packaging and recycle, or dispose of as specified by waste authorities
Hazardous Waste Status: Not classified as hazardous waste under US RCRA and EU standards, but follow all disposal protocols to minimize environmental release
Precautions for Landfill or Incineration: Avoid open burning, do not release large quantities to sewer systems or natural water bodies
UN Number: Not regulated
UN Proper Shipping Name: Not classified
Transport Hazard Class: Not dangerous for transport
Packing Group: Not assigned
Special Precautions: Containers should be protected from physical damage and moisture during transport
Environmental Hazards: None identified for bulk packaging
Regulatory Position: Not classified as marine pollutant
OSHA Status: Not hazardous under US OSHA Hazard Communication Standard
TSCA Status: Listed
REACH / EU: Listed in EINECS, complies with REACH requirements
WHMIS (Canada): Not controlled
Other National Inventories: Listed in Australia AICS, Japan ENCS, South Korea KECL, China IECSC
Labeling: Non-flammable, non-toxic under standard classification, includes irritant warning for skin and eyes
SARA Title III: Not listed under Extremely Hazardous Substances
Chemical Safety Assessment: Completed including risk management recommendations
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
