Pempidine

Modify Date: 2026-07-01 18:28:24

Pempidine Structure
Pempidine structure
Common Name Pempidine
CAS Number 79-55-0 Molecular Weight 155.28000
Density 0.858 g/mL at 25 °C(lit.) Boiling Point 187-188 °C(lit.)
Molecular Formula C10H21N Melting Point 137-141ºC
MSDS Chinese USA Flash Point 122 °F
Symbol GHS02 GHS06
GHS02, GHS06
Signal Word Danger

 Use of Pempidine


Pempidine is a ganglion-blocking drug, introduced as an oral treatment for hypertension.

Summary: 1,2,2,6,6-pentamethylpiperidine (Pempidine) is a colorless to light yellow transparent liquid with CAS number 79-55-0, molecular formula C10H21N, and molecular weight 155.28000. Its melting point is 137-141°C and boiling point is 187-188°C. This compound is used to treat hypertension as a nerve ganglion blocking drug. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1,2,2,6,6-pentamethylpiperidine
Synonym More Synonyms

 Pempidine Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Pempidine is a ganglion-blocking drug, introduced as an oral treatment for hypertension.
Related Catalog
References

[1]. Martin TJ, et al. Pharmacological evaluation of the antagonism of nicotine's central effects by mecamylamine and pempidine. J Pharmacol Exp Ther. 1990 Jul;254(1):45-51.

[2]. L. BRETHERICK, Congeners of Pempidine with High Ganglion-blocking Activity. Nature, 1959, 184: 1707-1709 )

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 0.858 g/mL at 25 °C(lit.)
Boiling Point 187-188 °C(lit.)
Melting Point 137-141ºC
Molecular Formula C10H21N
Molecular Weight 155.28000
Flash Point 122 °F
Exact Mass 155.16700
PSA 3.24000
LogP 2.59720
Index of Refraction n20/D 1.460(lit.)
InChIKey XULIXFLCVXWHRF-UHFFFAOYSA-N
SMILES CN1C(C)(C)CCCC1(C)C
Storage condition Flammables area

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TN2190000
CHEMICAL NAME :
Piperidine, 1,2,2,6,6-pentamethyl-
CAS REGISTRY NUMBER :
79-55-0
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C10-H21-N
MOLECULAR WEIGHT :
155.32
WISWESSER LINE NOTATION :
T6NTJ A1 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 :
275 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 :
40 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

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS02 GHS06
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
Safety Phrases S26-S36/37
RIDADR UN 1992 3/PG 3
WGK Germany 3
RTECS TN2190000
Packaging Group III
Hazard Class 3
HS Code 2933399090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~75%

Pempidine Structure

Pempidine

CAS#:79-55-0

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Literature: Caliskan, Hafize; Zaim, Oemer Synthetic Communications, 2010 , vol. 40, # 20 p. 3078 - 3083

~80%

Pempidine Structure

Pempidine

CAS#:79-55-0

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Literature: Rae, Ian D.; Woolcock, Mark L. Australian Journal of Chemistry, 1990 , vol. 43, # 2 p. 447 - 450

~31%

Pempidine Structure

Pempidine

CAS#:79-55-0

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Literature: Kostyanovskii, R. G.; Shakhgel'diev, M. A.; Nabiev, O. G. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1986 , vol. 35, # 12 p. 2593 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1986 , # 12 p. 2826 - 2827

~%

Pempidine Structure

Pempidine

CAS#:79-55-0

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Literature: US4208525 A1, ;

~%

Pempidine Structure

Pempidine

CAS#:79-55-0

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Literature: Journal of the American Chemical Society, , vol. 79, p. 5279,5286

~%

Pempidine Structure

Pempidine

CAS#:79-55-0

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Literature: Journal of the American Chemical Society, , vol. 79, p. 5439

~%

Pempidine Structure

Pempidine

CAS#:79-55-0

Learn More
Literature: Journal of the American Chemical Society, , vol. 134, # 42 p. 17384 - 17387

~%

Pempidine Structure

Pempidine

CAS#:79-55-0

Learn More
Literature: Bulletin of the Chemical Society of Japan, , vol. 68, # 5 p. 1401 - 1408

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Articles28

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Pharmacological characterization of a nicotinic autoreceptor in rat hippocampal synaptosomes.

Neurochem. Res. 21(9) , 1141-8, (1996)

The modulation of [3H]ACh release by nicotinic compounds was studied in superfused rat hippocampal synaptosomes loaded with [3H]choline, (-)-Nicotine (0.1-10 microM) evoked a dose-dependent increase i...

Enhancement of naturally occurring cell death in the sympathetic and parasympathetic ganglia of the chicken embryo following blockade of ganglionic transmission.

Brain Res. 444(1) , 189-94, (1988)

Both presynaptic and postsynaptic blockade of ganglionic transmission during the period of naturally occurring ganglion cell death reduced the number of surviving neurons in the sympathetic ganglia (S...

Understanding channel blocking in the nicotinic acetylcholine receptor.

Receptors Channels 7(4) , 273-88, (2001)

Ion-channel blockers are molecules that obstruct the path used by ions to cross the membrane through a protein channel. Many of these are local anesthetics, toxins or drugs of abuse, and the knowledge...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

PIPERIDINE,1,2,2,6,6-PENTAMETHYL
Pyrilene
MFCD00006493
N-methyl-2,2,6,6-tetramethylpiperidine
Perolysen
EINECS 201-211-2
M+B 4486
Pempidine
N,2,2,6,6-pentamethyl piperidine

 Pempidine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of 1,2,2,6,6-pentamethylpiperidine?
A: SMILES notation of 1,2,2,6,6-pentamethylpiperidine is CN1C(C)(C)CCCC1(C)C.
Q: What are the uses of 1,2,2,6,6-pentamethylpiperidine?
A: Main uses of 1,2,2,6,6-pentamethylpiperidine: Pempidine is a ganglion-blocking drug, introduced as an oral treatment for hypertension.
Q: What is the LogP of 1,2,2,6,6-pentamethylpiperidine?
A: LogP of 1,2,2,6,6-pentamethylpiperidine is 2.59720.
Q: What is the molecular weight of 1,2,2,6,6-pentamethylpiperidine?
A: Molecular weight of 1,2,2,6,6-pentamethylpiperidine is 155.28000.
Q: What is the InChIKey of 1,2,2,6,6-pentamethylpiperidine?
A: InChIKey of 1,2,2,6,6-pentamethylpiperidine is XULIXFLCVXWHRF-UHFFFAOYSA-N.
Q: What is the CAS number of 1,2,2,6,6-pentamethylpiperidine?
A: CAS number of 1,2,2,6,6-pentamethylpiperidine is 79-55-0.
Q: What is the melting point of 1,2,2,6,6-pentamethylpiperidine?
A: Melting point of 1,2,2,6,6-pentamethylpiperidine is 137-141ºC.
Q: What is the English name of 1,2,2,6,6-pentamethylpiperidine?
A: The English name of 1,2,2,6,6-pentamethylpiperidine is 1,2,2,6,6-pentamethylpiperidine.
Q: What are the storage conditions for 1,2,2,6,6-pentamethylpiperidine?
A: Storage conditions for 1,2,2,6,6-pentamethylpiperidine: Flammables area.
Q: What is the molecular formula of 1,2,2,6,6-pentamethylpiperidine?
A: Molecular formula of 1,2,2,6,6-pentamethylpiperidine is C10H21N.

 Pempidinefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

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