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| CAS No.: | 626-56-2 |
|---|---|
| Name: | 3-Methylpiperidine |
| Article Data: | 53 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H13N |
| Molecular Weight: | 99.1759 |
| Synonyms: | 3-Pipecoline(6CI,7CI,8CI);Piperidine, 3-methyl-, (?à)-;3-Methylpiperidine;NSC 66494;b-Methylpiperidine;b-Pipecoline; |
| EINECS: | 210-953-6 |
| Density: | 0.809 g/cm3 |
| Melting Point: | -24 °C |
| Boiling Point: | 125.5 °C at 760 mmHg |
| Flash Point: | 17.2 °C |
| Solubility: | Miscible with water |
| Appearance: | liquid |
| Hazard Symbols: |
 F,  Xi
|
| Risk Codes: | 11-36/37/38 |
| Safety: | 16-23 |
| Transport Information: | UN 1993 |
| PSA: | 12.03000 |
| LogP: | 1.33470 |
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Chemistry
The Molecular formula of 3-METHYLPIPERIDINE (626-56-2):C6H13N
The Molecular Weight of 3-METHYLPIPERIDINE (626-56-2):99.17
The Molecular Structure of 3-METHYLPIPERIDINE (626-56-2) is:.gif){kind=small}
Density:0.809 g/cm3
Melting point:-24 °C
Boiling point:125.5 °C at 760 mmHg
Flash point:17.2 °C
Solubility in water:miscible
BRN:79807
storage temp:Flammables area
Index of Refraction:1.421
Molar Refractivity:31.11 cm3
Molar Volume:122.4 cm3
Polarizability:12.33 10-24cm3
Surface Tension:24.4 dyne/cm
Enthalpy of Vaporization:36.34 kJ/mol
Vapour Pressure:12.1 mmHg at 25°C
Appearance:clear colorless to yellow liquid
IUPAC Name: 3-methylpiperidine
Synonyms: 3-methyl-piperidin ; 3-methylpiperidine(corrosiveliquid,flammable,n.o.s.) ; 3-pipercoline(beta-) ; beta-Methylpiperidine ; 3PPC ; 3-PIPECOLINE ; 3-METHYLPIPERIDINE ; (R,S)-3-Methyl-piperidine
Uses
It is used in organic synthesis.
Safety Profile
A very dangerous fire hazard when exposed to heat or flame. When heated to decomposition it emits toxic fumes of NOx. See also N-METHYLPIPERIDINE; 2-METHYLPIPERIDINE; 4-METHYLPIPERIDINE; 2-METHYLPIPERIDINE β-NAPHTHOAMIDE.
Hazard Codes:F:Highly Flammable .gif){kind=small}
Xi :Irritant.gif){kind=small}
Risk StatementsR11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements
S16:Keep away from sources of ignition - No smoking .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S33:Take precautionary measures against static discharges .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S7/9:Keep container tightly closed and in a well-ventilated place .
RIDADR:UN 1993 3/PG 2
WGK Germany:3
HazardClass:3
PackingGroup:II
Specification
Chemical Stability:Stable under normal temperatures and pressures.
Conditions to Avoid:Incompatible materials, light, ignition sources, excess heat.
Incompatibilities with Other Materials:Strong oxidizing agents, strong oxidizing agents, strong acids, acids, bases, acid chlorides, carbon dioxide, acid anhydrides.
Hazardous Decomposition Products:Nitrogen oxides, carbon monoxide, carbon dioxide, cyanides.
Hazardous Polymerization Has not been reported.
General Description:A colorless liquid with a characteristic odor. Less dense than water. Flash point less than 141°F. Contact may cause severe irritation to skin, eyes, and mucous membranes. Toxic by ingestion, inhalation and skin absorption.
Reactivity Profile:3-METHYLPIPERIDINE neutralizes acids to form salts plus water in exothermic reactions. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Generates flammable gaseous hydrogen in combination with strong reducing agents, such as hydrides.
Health Hazard:May cause toxic effects if inhaled or ingested/swallowed. Contact with substance may cause severe burns to skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire Hazard:Flammable/combustible material. 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. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.