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Cationic surfactants

Hexadecamethonium

Also known as 1,16-Hexadecanediaminium, N,N,N,N',N',N'-hexamethyl-, N~1~,N~1~,N~1~,N~16~,N~16~,N~16~-Hexamethylhexadecane-1,16-bis(aminium)

CAS 16414-68-9Formula C22H50N2+2Molar mass 342.66 g/mol
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Hexadecamethonium chemical structure, C22H50N2+2, CAS 16414-68-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
16414-68-9
Formula
C22H50N2+2
Molar mass
342.66 g/mol
HS code
292390
Category
Cationic surfactants

What is Hexadecamethonium?

Plain description, key identifiers and synonyms

Hexadecamethonium is a chemical substance with the molecular formula C22H50N2+2 and a molar mass of 342.66 g/mol. Its CAS registry number is 16414-68-9. The IUPAC name is trimethyl-[16-(trimethylazaniumyl)hexadecyl]azanium.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
trimethyl-[16-(trimethylazaniumyl)hexadecyl]azanium
CAS number
16414-68-9 CAS number cross-checked
Molecular formula
C22H50N2+2
InChIKey
VUQUPFRHEFTWRS-UHFFFAOYSA-N
InChI
InChI=1S/C22H50N2/c1-23(2,3)21-19-17-15-13-11-9-7-8-10-12-14-16-18-20-22-24(4,5)6/h7-22H2,1-6H3/q+2
SMILES (canonical and isomeric)
C[N+](C)(C)CCCCCCCCCCCCCCCC[N+](C)(C)C

Synonyms

  • 1,16-Hexadecanediaminium, N,N,N,N',N',N'-hexamethyl-
  • N~1~,N~1~,N~1~,N~16~,N~16~,N~16~-Hexamethylhexadecane-1,16-bis(aminium)

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
342.66 g/molcalc.
Exact mass
342.3963 Dacalc.
LogP (octanol/water)
5.86calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
17calc.
Heavy atoms
24calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
2calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Hexadecamethonium suppliers

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Hexadecamethonium price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Industries and functions

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2923.90Indicative HS code

Quaternary ammonium salts and hydroxides whether or not chemically defined not elsewhere classified…

World exports in 2024
$1.07B
+14.4% vs 2023, imports $1.16B
2019 to 2024
Top exporters
  1. China36.7%
  2. United States14.2%
  3. Netherlands9.4%
Top importers
  1. South Korea10.7%
  2. Germany10.1%
  3. United States9.9%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Hexadecamethonium?

Hexadecamethonium is a chemical substance with the molecular formula C22H50N2+2 and a molar mass of 342.66 g/mol. Its CAS registry number is 16414-68-9. The IUPAC name is trimethyl-[16-(trimethylazaniumyl)hexadecyl]azanium.

What is the CAS number of Hexadecamethonium?

The CAS registry number of Hexadecamethonium is 16414-68-9.

What is the molecular formula and weight of Hexadecamethonium?

The molecular formula of Hexadecamethonium is C22H50N2+2 and its molar mass is 342.66 g/mol.

What is Hexadecamethonium used for?

Known uses and roles of Hexadecamethonium include surfactants in home care and cleaning.

Is Hexadecamethonium hazardous?

No GHS hazard classification for Hexadecamethonium is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Hexadecamethonium?

Hexadecamethonium is usually classified under HS code 292390 (Quaternary ammonium salts and hydroxides, lecithins and other phosphoaminolipids…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hexadecamethonium?

Post a free request on CompoundList and suppliers of Hexadecamethonium will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Hexadecamethonium?

Suppliers quote Hexadecamethonium 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 Hexadecamethonium

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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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