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Cationic surfactants

Quaternium-16

Also known as Tris(2-hydroxyethyl)(stearyl)ammonium chloride, Octadecanaminium, N,N,N-tris(2-hydroxyethyl)-, chloride, tris(2-hydroxyethyl)-octadecylazanium, chloride

CAS 35239-12-4Formula C24H52ClNO3Molar mass 438.14 g/mol
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Quaternium-16 chemical structure, C24H52ClNO3, CAS 35239-12-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
35239-12-4
Formula
C24H52ClNO3
Molar mass
438.14 g/mol
HS code
292390
Category
Cationic surfactants

What is Quaternium-16?

Plain description, key identifiers and synonyms

Quaternium-16 is a chemical substance with the molecular formula C24H52ClNO3 and a molar mass of 438.14 g/mol. Its CAS registry number is 35239-12-4. The IUPAC name is tris(2-hydroxyethyl)-octadecylazanium chloride.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tris(2-hydroxyethyl)-octadecylazanium chloride
CAS number
35239-12-4 CAS number cross-checked
Molecular formula
C24H52ClNO3
UNII
K4H0FG9I2T
INCI name
QUATERNIUM-16
InChIKey
UMQCZSNKDUWJRI-UHFFFAOYSA-M
InChI
InChI=1S/C24H52NO3.ClH/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-25(19-22-26,20-23-27)21-24-28;/h26-28H,2-24H2,1H3;1H/q+1;/p-1
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCCCC[N+](CCO)(CCO)CCO.[Cl-]

Synonyms

  • Tris(2-hydroxyethyl)(stearyl)ammonium chloride
  • Octadecanaminium, N,N,N-tris(2-hydroxyethyl)-, chloride
  • tris(2-hydroxyethyl)-octadecylazanium, chloride
  • N,N,N-Tris(2-hydroxyethyl)octadecan-1-aminium chloride

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
438.14 g/molcalc.
Exact mass
437.3636 Dacalc.
LogP (octanol/water)
2.05calc.
Topological polar surface area
60.69 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
23calc.
Heavy atoms
29calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)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.

Quaternium-16 suppliers

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Quaternium-16 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

Use classes: Cosmetics.

Cosmetic ingredient, INCI name QUATERNIUM-16(antistatic, hair conditioning)

Functional uses

  • Anti-static agent
  • Softener and conditioner

Cosmetic functions

  • Antistatic
  • Hair conditioning

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Quaternium-16 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 Quaternium-16 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Quaternium-16, based on the data on this page

What is Quaternium-16?

Quaternium-16 is a chemical substance with the molecular formula C24H52ClNO3 and a molar mass of 438.14 g/mol. Its CAS registry number is 35239-12-4. The IUPAC name is tris(2-hydroxyethyl)-octadecylazanium chloride.

What is the CAS number of Quaternium-16?

The CAS registry number of Quaternium-16 is 35239-12-4.

What is the molecular formula and weight of Quaternium-16?

The molecular formula of Quaternium-16 is C24H52ClNO3 and its molar mass is 438.14 g/mol.

What is Quaternium-16 used for?

Use classes: Cosmetics.

Is Quaternium-16 hazardous?

No GHS hazard classification for Quaternium-16 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 Quaternium-16?

Quaternium-16 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 Quaternium-16?

Post a free request on CompoundList and suppliers of Quaternium-16 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Quaternium-16?

Suppliers quote Quaternium-16 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 Quaternium-16

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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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