Product Identification
【Product Name】1-Ethynylcyclohexanol 乙炔环己醇
【Synonyms】1-Ethynyl-1-cyclohexanol
【CAS】78-27-3
【Formula】C8H12O
【Molecular Weight】124.18
【EINECS】201-100-9
【RTECS】GV9100000
【RTECS Class】Primary Irritant
【Beilstein/Gmelin】471404
【Beilstein Reference】4-06-00-00348
【EC Class】harmful
 
Physical and Chemical Properties
【Appearance】Solid.
【Solubility in water】Slightly soluble
【Melting Point】30 - 32
【Boiling Point】180
【Vapor Pressure】7.5 (50 C)
【Density】0.973 g/cm3 (20 C)
【pKa/pKb】13.34 (pKa)
【Vapor Density】3.73
【Refractive Index】1.4832

First Aid Measures
【Ingestion】Never give anything by mouth to an unconscious person. Get medical aid. Wash mouth out with water.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【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. 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.

Handling and Storage
【Storage】Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale.

Hazards Identification
【Ingestion】Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.
【Inhalation】Causes respiratory tract irritation. May cause narcotic effects in high concentration.
【Skin】May cause skin irritation. May be harmful if absorbed through the skin.
【Eyes】Causes eye irritation.
【Hazards】Contact with metals may evolve flammable hydrogen gas.
【EC Risk Phrase】R 21/22 36/37/38
【EC Safety Phrase】S 26 36/37/39
【UN (DOT)】2811

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 to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【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.
【Poison Class】4

Fire Fighting Measures
【Flash Point】73
【Autoignition】365
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
【Upper exp. limit】8.7
【Lower exp. limit】1.3
【Fire Potential】Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity
【Stability】No data.
【Incompatibilities】Strong acids - strong oxidizing agents - acid chlorides - strong reducing agents - acid anhydrides.
【Decomposition】Carbon monoxide, carbon dioxide.
【Combustion Products】Fire may produce irritating, corrosive and/or toxic gases.

Transport Information
【UN Number】2811
【Hazard Class】6.1
【Packing Group】I; II; III
【HS Code】2906 19 00