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2,2,6,6-Tetramethylpiperidine, 98+% - CAS 768-66-1 - Formula C9H19N


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A18712
2,2,6,6-Tetramethylpiperidine, 98+%

CAS: 768-66-1 MDL: MFCD00005985  EINECS: 212-199-3
UN#:UN2733Hazard Class:3Packing Group:III

 

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Chemical Properties

Formula: C9H19N  Flash point: 34°(93°F)
Formula weight: 141.26  Density: 0.832
Melting point: -59° Refractive Index: 1.4440
Boiling point: 152-154° Sensitivity: Air Sensitive

Literature References

Lithiation gives a highly-hindered, non-nucleophilic strong base; see, e.g. Org. Synth. Coll., 6, 571 (1988); 9, 426 (1998); Tetrahedron, 50, 3099 (1994). For use in selective isomerization of epoxides to aldehydes, see: J. Chem. Soc., Chem. Commun., 2103 (1994). For a study of the influence of TMEDA and related chelating ligands on the solution structure of the lithiated base, see: J. Org. Chem., 62, 5748 (1997). The Mg derivative, obtained by reaction with n-BuMgCl, is also an effective strong base which has been used in the regioselective ortho-metallation of pyridine carbamates and carboxamides: J. Org. Chem., 60, 8414 (1995).


Other References

Beilstein: 103296
UN#: UN2733
Harmonized Tariff Code:   2933.39

GHS Hazard and Precautionary Statements

Hazard Statements : H314-H318-H226-H302

Causes severe skin burns and eye damage. Causes serious eye damage. Flammable liquid and vapour. Harmful if swallowed.

Precautionary Statements : P280-P305+P351+P338-P309-P310

Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.

FlammableCorrosiveHarmful or Irritant

Risk & Safety

Risk Phrases: 10-22-34
Flammable. Harmful if swallowed. Causes burns.
Safety Phrases: 26-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Harmful Corrosive
TSCA: Yes
RTECS: TN4220000