Product Identification
【Product Name】Dodecanedioic acid 月桂二酸
【Synonyms】1,12-Dodecanedioic acid
【CAS】693-23-2
【Formula】C12H22O4
【Molecular Weight】230.31
【EINECS】211-746-3
【Beilstein/Gmelin】1782580
【Beilstein Reference】4-02-00-02126

Physical and Chemical Properties
【Appearance】White crystalline powder crystalline powder.
【Solubility in water】Insoluble
【Melting Point】121-126℃
【Boiling Point】294℃
【Vapor Pressure】3E- (275℃)
【Density】1.175 g/cm3 (21℃)
【Partition Coefficient】2.93
【Heat Of Vaporization】70.7 kJ/mol

First Aid Measures
【Ingestion】If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage
【Storage】Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use with adequate ventilation.

Hazards Identification
【Ingestion】The toxicological properties of this substance have not been fully investigated. Causes gastrointestinal tract irritation.
【Inhalation】Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation.
【EC Risk Phrase】R 36
【EC Safety Phrase】S 26 36

Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate clothing to prevent skin exposure.
【Respirators】A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Fire Fighting Measures
【Flash Point】217℃
【Autoignition】390℃
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.

Accidental Release Measures
【Small spills/leaks】Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. Cover with dry earth, dry sand, or other non-combustible material followed with plastic sheet to minimize sping and contact with water.

Stability and Reactivity
【Disposal Code】4℃
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents - reducing agents.
【Decomposition】Carbon monoxide, carbon dioxide.

Transport Information
【HS Code】2917 19 90