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Cleansing surfactants

Tridodecyl phosphate

Also known as trilauryl phosphate, Phosphoric acid, tridodecyl ester, Dodecyl phosphate ((c12h25o)3po)

CAS 682-49-5Formula C36H75O4PMolar mass 602.97 g/molEC 211-665-3
1 supplier listed
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Tridodecyl phosphate chemical structure, C36H75O4P, CAS 682-49-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
682-49-5
Formula
C36H75O4P
Molar mass
602.97 g/mol
EC number
211-665-3
HS code
291990
Category
Cleansing surfactants

What is Tridodecyl phosphate?

Plain description, key identifiers and synonyms

Tridodecyl phosphate is a chemical substance with the molecular formula C36H75O4P and a molar mass of 602.97 g/mol. Its CAS registry number is 682-49-5.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
tridodecyl phosphate
CAS number
682-49-5
EC number
211-665-3
Molecular formula
C36H75O4P
UNII
3OZX5BRS1N
INCI name
TRILAURYL PHOSPHATE
InChIKey
OHRVKCZTBPSUIK-UHFFFAOYSA-N
InChI
InChI=1S/C36H75O4P/c1-4-7-10-13-16-19-22-25-28-31-34-38-41(37,39-35-32-29-26-23-20-17-14-11-8-5-2)40-36-33-30-27-24-21-18-15-12-9-6-3/h4-36H2,1-3H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCC)OCCCCCCCCCCCC

Synonyms

  • trilauryl phosphate
  • Phosphoric acid, tridodecyl ester
  • Dodecyl phosphate ((c12h25o)3po)

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
602.97 g/molcalc.
Exact mass
602.5403 Dacalc.
LogP (octanol/water)
13.91calc.
Topological polar surface area
44.76 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
36calc.
Heavy atoms
41calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Fails (2 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.

Tridodecyl phosphate suppliers

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Where suppliers are based

1 supplier in 1 country

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Tridodecyl phosphate price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Use classes: Cosmetics.

Cosmetic ingredient, INCI name TRILAURYL PHOSPHATE(plasticiser, skin conditioning, surfactant - cleansing)

Functional uses

  • Plasticizer
  • Softener and conditioner
  • Surfactant (surface active agent)
  • Wetting agent (non-aqueous)

Cosmetic functions

  • Plasticiser
  • Skin conditioning
  • Surfactant - cleansing

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 Tridodecyl phosphate is traded under.

HS 2919.90Indicative HS code

Phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated…

World exports in 2024
$940M
−0.7% vs 2023, imports $863M
2019 to 2024
Top exporters
  1. China55.6%
  2. Germany10.6%
  3. Italy6.2%
Top importers
  1. United States15.8%
  2. South Korea10.1%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Tridodecyl phosphate, based on the data on this page

What is Tridodecyl phosphate?

Tridodecyl phosphate is a chemical substance with the molecular formula C36H75O4P and a molar mass of 602.97 g/mol. Its CAS registry number is 682-49-5.

What is the CAS number of Tridodecyl phosphate?

The CAS registry number of Tridodecyl phosphate is 682-49-5.

What is the molecular formula and weight of Tridodecyl phosphate?

The molecular formula of Tridodecyl phosphate is C36H75O4P and its molar mass is 602.97 g/mol.

What is Tridodecyl phosphate used for?

Use classes: Cosmetics.

Is Tridodecyl phosphate hazardous?

No GHS hazard classification for Tridodecyl phosphate 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 Tridodecyl phosphate?

Tridodecyl phosphate is usually classified under HS code 291990 (Phosphoric esters and their salts, including lactophosphates, their halogenated…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tridodecyl phosphate?

CompoundList lists 1 supplier of Tridodecyl phosphate in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Tridodecyl phosphate?

Suppliers quote Tridodecyl phosphate 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 Tridodecyl phosphate

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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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