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Stabilizers and polymer additives

Pempidine

Also known as 1,2,2,6,6-Pentamethylpiperidine, Pyrilene, Tenormal

CAS 79-55-0Formula C10H21NMolar mass 155.29 g/molEC 201-211-2
GHS signal word: Danger. Pictograms: Flammable, Acute toxicity (severe), Harmful or irritant 13 suppliers listed
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Pempidine chemical structure, C10H21N, CAS 79-55-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
79-55-0
Formula
C10H21N
Molar mass
155.29 g/mol
Physical form
Liquid
HS code
293339
Category
Stabilizers and polymer additives
Illustrative photo, a closed 1000 litre IBC tote in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Pempidine?

Plain description, key identifiers and synonyms

1,2,2,6,6-pentamethylpiperidine is a member of piperidines.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,2,2,6,6-pentamethylpiperidine
CAS number
79-55-0 CAS number cross-checked
EC number
201-211-2
Molecular formula
C10H21N
UNII
N5I18JI9D6
MDL number
MFCD00006493
InChIKey
XULIXFLCVXWHRF-UHFFFAOYSA-N
InChI
InChI=1S/C10H21N/c1-9(2)7-6-8-10(3,4)11(9)5/h6-8H2,1-5H3
SMILES (canonical and isomeric)
CC1(CCCC(N1C)(C)C)C

Synonyms

  • 1,2,2,6,6-Pentamethylpiperidine
  • Pyrilene
  • Tenormal
  • Perolysen
  • Piperidine, 1,2,2,6,6-pentamethyl-
  • Pempidina
  • Pempidinum
  • M+B 4486
  • pirilenum (for the tosilate)
  • 1,2,2,6,6-Pentamethyl-piperidine
  • 1,2,2,6,6-penta-methylpiperidine
  • M&B 4486
  • N-Methyl-2,2,6,6-Tetramethylpiperidine
  • 2,2,6,6,N-Pentamethylpiperidine, M&B 4486, N,2,2,6,6-Pentamethylpiperidine, N-Methyl-2,2,6,6-tetramethylpiperidine, Pempidine, Pyrilene
  • Xulixflcvxwhrf-uhfffaoysa-
  • N-Methyl-2,2,6,6-Tetramethylpip
  • 1,2,2,6,6-Pentamethylpiperidine, 97%
  • Pempidine, Pempidine (1,2,2,6,6-pentamethylpiperidine)
  • piperidine, 1,2,2,6,6-pentamethyl-, monohydrochloride
  • 1,2,2,6,6-Pentamethylpiperidine, purum, >=99.0% (GC)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
155.29 g/molcalc.
Exact mass
155.1674 Dacalc.
LogP (octanol/water)
2.66calc.
Topological polar surface area
3.24 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CCNCC1

C1CCNCC1

1 ring, 6 atoms, the Piperidine ring system.

32,085 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H301Toxic if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (28)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Pempidine suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 13 suppliers
13 of 13 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

13 suppliers in 5 countries

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Pempidine price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Pharmaceuticals.

Pharmacological actions

  • Antihypertensive Agents
  • Ganglionic Blockers
  • Nicotinic Antagonists

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Pempidine is traded under.

HS 2933.39Indicative HS code

Heterocyclic compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure…

World exports in 2024
$9.16B
−17.9% vs 2023, imports $10.6B
2019 to 2024
Top exporters
  1. China21.5%
  2. India * partner reported12.3%
  3. Ireland11.6%
Top importers
  1. Germany14.2%
  2. United States12.8%
  3. Brazil10.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Pempidine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Pempidine, based on the data on this page

What is Pempidine?

1,2,2,6,6-pentamethylpiperidine is a member of piperidines.

What is the CAS number of Pempidine?

The CAS registry number of Pempidine is 79-55-0.

What is the molecular formula and weight of Pempidine?

The molecular formula of Pempidine is C10H21N and its molar mass is 155.29 g/mol.

What is Pempidine used for?

Use classes: Pharmaceuticals.

Is Pempidine hazardous?

Pempidine carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, toxic if swallowed, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pempidine?

Pempidine is usually classified under HS code 293339 (Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pempidine?

CompoundList lists 13 suppliers of Pempidine in United States, China, Germany, Japan and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Pempidine?

Suppliers quote Pempidine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Pempidine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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