Product Name: 2,2,6,6-Tetramethylpiperidine
Synonyms: 2,2,6,6-Tetramethylpiperidine(Tmp);2,2,6,6-tetramethyl-piperidin;Norpempidine;2,2,6,6-TETRAMETHYLPIPERIDINE, 99+%;2,2,6,6-Tetramethylpiperidien;TETRAMETHYLPIPERIDINE;Piperidine, 2,2,6,6-tetramethyl-;2,2,6,6-tetramethylpiperidine(TEMP)
CAS: 768-66-1
MF: C9H19N
MW: 141.25
EINECS: 212-199-3
Product Categories: Industrial/Fine Chemicals;Piperidines, Piperidones, Piperazines;Piperidine;API intermediates;Organic BasesBuilding Blocks;Chemical Synthesis;-;Heterocyclic Building Blocks;Piperidines;Synthetic Reagents;Fine Chemical
Mol File: 768-66-1.mol
2,2,6,6-Tetramethylpiperidine Structure
2,2,6,6-Tetramethylpiperidine Chemical Properties
Melting point -59°C
Boiling point 152 °C(lit.)
density 0.837 g/mL at 25 °C(lit.)
vapor pressure 14 hPa (39 °C)
refractive index n20/D 1.445(lit.)
Fp 76 °F
storage temp. Flammables area
solubility MISCIBLE
pka 11.07(at 25℃)
form Liquid
color Clear colorless to yellow
Specific Gravity 0.837
Water Solubility MISCIBLE
Sensitive Air Sensitive
BRN 103296
InChIKey RKMGAJGJIURJSJ-UHFFFAOYSA-N
CAS DataBase Reference 768-66-1(CAS DataBase Reference)
NIST Chemistry Reference Piperidine, 2,2,6,6-tetramethyl-(768-66-1)
EPA Substance Registry System Piperidine, 2,2,6,6-tetramethyl-(768-66-1)
Safety Information
Hazard Codes Xn,F,C
Risk Statements 10-22-36/37/38
Safety Statements 26-37/39-16
RIDADR UN 1992 3/PG 3
WGK Germany 2
RTECS TN4220000
Autoignition Temperature 290 °C
TSCA Yes
HazardClass 3
PackingGroup III
HS Code 29333999
Toxicity LD50 orally in Rabbit: 500 mg/kg
MSDS Information
Provider Language
HTMP English
ACROS English
SigmaAldrich English
ALFA English
2,2,6,6-Tetramethylpiperidine Usage And Synthesis
Chemical Properties clear colorless to light yellow-green liquid
Uses 2,2,6,6-Tetramethylpiperidine is used in the syntheses of HMP-Y1, Hibarimicinone and HMP-P1, tyrosine kinase inhibitors.
2,2,6,6-Tetramethylpiperidine Preparation Products And Raw materials
Preparation Products 2-(TRIFLUOROMETHYL)-4-ISOCYANATOPYRIDINE-->5-FLUORO-2-PICOLINIC ACID-->2-CHLOROPYRIDINE-3,4-DICARBOXYLIC ACID-->2,2,6,6-Tetramethylpiperidinooxy-->3-BROMO-2-((CYCLOPROPYLAMINO)METHYL)BENZALDEHYDE-->6-CHLOROPYRIDINE-3,4-DICARBOXYLIC ACID-->4-(TRIFLUOROMETHYL)-2-(5,5-DIMETHYL-1,3,2-DIOXABORINAN-2-YL)BENZONITRILE-->2-CHLORO-6-(5,5-DIMETHYL-1,3,2-DIOXABORINAN-2-YL)BENZONITRILE-->2-BROMO-6-(5,5-DIMETHYL-1,3,2-DIOXABORINAN-2-YL)BENZONITRILE-->3-FLUORO-2-(5,5-DIMETHYL-1,3,2-DIOXABORINAN-2-YL)BENZONITRILE-->5-(TRIFLUOROMETHYL)-2-(5,5-DIMETHYL-1,3,2-DIOXABORINAN-2-YL)BENZONITRILE-->2-CYANO-5-BROMOPHENYLBORONIC ACID PINACOL ESTER-->2-(TRIFLUOROMETHYL)-6-(5,5-DIMETHYL-1,3,2-DIOXABORINAN-2-YL)BENZONITRILE-->(E)-5-(2-CARBOXYVINYL)-2,4-DIMETHOXYPYRIMIDINE-->4-CHLORO-2-(5,5-DIMETHYL-1,3,2-DIOXABORINAN-2-YL)BENZONITRILE-->2-METHOXY-6-(5,5-DIMETHYL-1,3,2-DIOXABORINAN-2-YL)BENZONITRILE-->3-METHOXY-2-(5,5-DIMETHYL-1,3,2-DIOXABORINAN-2-YL)BENZONITRILE-->5-FORMYL-2,4-DIMETHOXYPYRIMIDINE-->3-CYANOPYRIDIN-4-YLBORONIC ACID-->4-CYANOPYRIDIN-3-YLBORONIC ACID-->2-CYANOPYRIDIN-3-YLBORONIC ACID