Product Identification
【Product Name】4-Hydroxypiperidine
【Synonyms】4-Piperidinol ；4-哌啶醇
【CAS】5382-16-1
【Formula】C5H11NO
【Molecular Weight】101.15
【EINECS】226-373-1
【Beilstein/Gmelin】102738
【Beilstein Reference】5-21-01-00051
【EC Class】irritant

Physical and Chemical Properties
【Appearance】Yellow solid.
【Solubility in water】Very soluble
【Melting Point】86-89℃
【Boiling Point】222℃
【Vapor Pressure】0.02 (25℃)
【pKa/pKb】3.52 (pKb)
【Partition Coefficient】-.52
【Heat Of Vaporization】53.3 kJ/mol

First Aid Measures
【Ingestion】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】Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】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】Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

Hazards Identification
【Ingestion】The toxicological properties of this substance have not been fully investigated.
【Inhalation】Causes respiratory tract irritation.
【Skin】Causes skin irritation.
【Eyes】Causes eye irritation.
【EC Risk Phrase】R 36/37/38
【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 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.

Fire Fighting Measures
【Flash Point】107℃
【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 spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity
【Disposal Code】3
【Stability】No data.
【Incompatibilities】strong oxidizing agents
【Decomposition】Nitrogen oxides, carbon monoxide, carbon dioxide.

Transport Information
【HS Code】2933 39 99