Product Identification
【Product Name】1,4,7,10-Tetraoxacyclododecane
【Synonyms】12-Crown-4-ether 12-冠醚-4
EOCT
Ethylene oxide cyclic tetramer
【CAS】294-93-9
【Formula】C8H16O4
【Molecular Weight】176.21
【EINECS】206-036-5
【RTECS】XF0550000
【RTECS Class】Drug; Reproductive Effector; Primary Irritant
【Beilstein/Gmelin】1363064
【Beilstein Reference】5-19-11-00334
Physical and Chemical Properties
【Appearance】Clear, colorless liquid.
【Solubility in water】Soluble
【Melting Point】16
【Boiling Point】254
【Vapor Pressure】0.03 (25 C)
【Density】1.10296 g/cm3 (25 C)
【Partition Coefficient】-.54
【Heat Of Vaporization】47.2 kJ/mol
【Heat Of Combustion】-4738 kJ/mol
【Usage】Complexing with lithium ion.
【Refractive Index】1.4607 (25 C)
First Aid Measures
【Ingestion】Do NOT induce vomiting. 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.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
【Skin】Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and Storage
【Storage】Store in a cool, dry place. Store in a tightly closed container.
【Handling】Wash thoroughly after handling. Wash hands before eating. Use with adequate ventilation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Hazards Identification
【Inhalation】May cause respiratory tract irritation.
【Skin】May cause skin irritation.
【Eyes】May cause eye irritation.
【Ingestion】May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【EC Safety Phrase】S 24/25
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 protective gloves and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
【Respirators】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Exposure Effects】Prolonged or repeated exposure may cause adverse reproductive effects.
Fire Fighting Measures
【Flash Point】113
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Accidental Release Measures
【Small spills/leaks】Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Clean up spills immediately, using the appropriate protective equipment.
Stability and Reactivity
【Disposal Code】3
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents and strong acids.
【Decomposition】Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.
Transport Information
【HS Code】2932 99 95