ChemicalBook >>N-Methylpiperidine>>N-Methylpiperidine(626-67-5)

N-Methylpiperidine(626-67-5)

N-Methylpiperidine(626-67-5)
Product IdentificationBack to Contents
【Product Name】

N-Methylpiperidine
【Synonyms】

N-methylpiperidine
Pipecoline
【CAS】

626-67-5
【Formula】

C6H13N
【Molecular Weight】

99.18
【EINECS】

210-959-9
【RTECS】

TN1225000
【RTECS Class】

Other
【Beilstein/Gmelin】

1073
【Beilstein Reference】

5-20-02-00021
【EC Class】

highly flammable, harmful, corrosive
Physical and Chemical PropertiesBack to Contents
【Appearance】

A colorless liquid with the odor of pepper.
【Solubility in water】

Miscible
【Melting Point】

-69
【Boiling Point】

106.5
【Vapor Pressure】

31 (20 C)
【Density】

0.821 g/cm3 (15 C)
【pKa/pKb】

10.08(at 25℃) (pKa)
【Partition Coefficient】

.98
【Heat Of Vaporization】

34.5 kJ/mol
【Usage】

Laboratory use. Catalyst. Reaction of phenyl isothiocyanate and diphenylphosphinic hydrazide.
【Refractive Index】

1.4355 (20 C)
First Aid MeasuresBack to Contents
【Ingestion】

Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
【Skin】

Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【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 StorageBack to Contents
【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. Flammables-area.
【Handling】

Use only in a well ventilated area. Use spark-proof tools and explosion proof equipment. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Take precautionary measures against static discharges. Use only in a chemical fume hood.
Hazards IdentificationBack to Contents
【Ingestion】

Harmful if swallowed. Causes gastrointestinal tract burns.
【Inhalation】

Harmful if inhaled. Causes chemical burns to the respiratory tract. May cause burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting.
【Skin】

Causes skin burns. May be harmful if absorbed through the skin.
【Eyes】

Causes eye burns.
【Hazards】

May be ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. May polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
【EC Risk Phrase】

R 11 34
【EC Safety Phrase】

S 16 26 36/37/39 45
【UN (DOT)】

2399
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

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】

2
Fire Fighting MeasuresBack to Contents
【Flash Point】

3
【Autoignition】

205
【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. Extinguishing media: Use water spray to cool fire-exposed containers. Water may be ineffective. In case of fire, use carbon dioxide, dry chemical powder or appropriate foam.
【Upper exp. limit】

9.9
【Lower exp. limit】

1.1
【Fire Potential】

Flammable/combustible material.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Avoid runoff into storm sewers and ditches which lead to waterways. Cover with sand, dry lime or soda ash and place in a closed container for disposal. Remove all sources of ignition. Use a spark-proof tool.
Stability and ReactivityBack to Contents
【Disposal Code】

5
【Incompatibilities】

Acids, acid chlorides, carbon dioxide, acid anhydrides, oxidizing agents, bases.
【Stability】

Stable under normal temperatures and pressures.
【Decomposition】

Nitrogen oxides, carbon monoxide, carbon dioxide.
【Combustion Products】

Fire will produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2399
【Hazard Class】

3
【Packing Group】

II
【HS Code】

2933 39 99
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