2,2,6,6-Tetramethylpiperidine

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Names

[ CAS No. ]:
768-66-1

[ Name ]:
2,2,6,6-Tetramethylpiperidine

[Synonym ]:
Piperidine, 2,2,6,6-tetramethyl-
2,2,6,6-Tetramethylpeperidine
EINECS 212-199-3
2,2,6,6-tetramethyl-piperidine
2,2,6,6-Me4piperidine
2,2,6,6-Tetramethylpiperidine
2,2,6,6-TETRAMETHYL-1-PIPERIDINYLOXY
MFCD00005985
2,2,6,6-tetramethyl piperidine
PIPERIDINE,2,2,6,6-TETRAMETHYL
Norpempidine

Chemical & Physical Properties

[ Density]:
0.8±0.1 g/cm3

[ Boiling Point ]:
157.6±8.0 °C at 760 mmHg

[ Melting Point ]:
-59°C

[ Molecular Formula ]:
C₉H₁₉N

[ Molecular Weight ]:
141.254

[ Flash Point ]:
24.4±0.0 °C

[ Exact Mass ]:
141.151749

[ PSA ]:
12.03000

[ LogP ]:
3.00

[ Vapour Pressure ]:
2.7±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.417

[ Storage condition ]:
Flammables area

[ Water Solubility ]:
MISCIBLE

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TN4220000

CHEMICAL NAME :: Piperidine, 2,2,6,6-tetramethyl-

CAS REGISTRY NUMBER :: 768-66-1

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C9-H19-N

MOLECULAR WEIGHT :: 141.29

WISWESSER LINE NOTATION :: T6MTJ B1 B1 F1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 220 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NATUAS Nature. (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736) V.1- 1869- Volume(issue)/page/year: 184,1707,1959

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 33 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NATUAS Nature. (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736) V.1- 1869- Volume(issue)/page/year: 184,1707,1959

Safety Information

[ Symbol ]:

GHS02, GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H226-H301-H315-H319-H335

[ Precautionary Statements ]:
P261-P301 + P310-P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xn:Harmful

[ Risk Phrases ]:
R10;R22;R36/37/38

[ Safety Phrases ]:
S26-S37/39-S16

[ RIDADR ]:
UN 1992 3/PG 3

[ WGK Germany ]:
2

[ RTECS ]:
TN4220000

[ Packaging Group ]:
III

[ Hazard Class ]:
3

[ HS Code ]:
29333999

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

2,2,6,6-tetramethyl-4 piperidone
2,2,6,6-Tetramethylpiperidinooxy
Benzylamine
Pempidine
Anthraquinone
Toluene
2,2,6,6-Tetramethylpiperidin-1-ol
chloro(diphenylmethyl)(2,2,6,6-tetramethylpiperidino)borane

DownStream

6-Bromo-2,3-difluorobenzaldehyde
3,5-Dichloro-2-pyrazinecarboxylic acid
Benzene,1-methyl-4-[(4-methylphenyl)methyl]-
LITHIUM TETRAMETHYLPIPERIDIDE
(4-methoxyphenyl)-(2,2,6,6-tetramethylpiperidin-1-yl)methanone
2,2,6,6-tetramethylpiperidine-borane complex
Diphenylphosphine
3-Hexanone,4-hydroxy-2,2,5,5-tetramethyl-
2,2,2-trifluoro-1-(2,2,6,6-tetramethylpiperidin-1-yl)ethan-1-one
Pempidine

Customs

[ HS Code ]: 2933399090

[ Summary ]:
2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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