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Plasticizers

Didecyl phthalate

Also known as Decyl phthalate, Di-n-decyl phthalate, Vinicizer 105

CAS 84-77-5Formula C28H46O4Molar mass 446.67 g/molEC 201-561-6
1 supplier listed
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Didecyl phthalate chemical structure, C28H46O4, CAS 84-77-5
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Light-colored liquid
Melting point
2.5 °C
Boiling point
261 °C
Density
0.9675 at 20 °C/20 °C
Flash point
232.2 °C
HS code
291733
Category
Plasticizers
Illustrative photo, 200 litre steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Didecyl phthalate?

Plain description, key identifiers and synonyms

Di-n-decyl phthalate is a phthalate ester and a diester.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
didecyl benzene-1,2-dicarboxylate
CAS number
84-77-5 CAS number cross-checked
EC number
201-561-6
Molecular formula
C28H46O4
UNII
FI5FBN947Z
MDL number
MFCD00041915
InChIKey
PGIBJVOPLXHHGS-UHFFFAOYSA-N
InChI
InChI=1S/C28H46O4/c1-3-5-7-9-11-13-15-19-23-31-27(29)25-21-17-18-22-26(25)28(30)32-24-20-16-14-12-10-8-6-4-2/h17-18,21-22H,3-16,19-20,23-24H2,1-2H3
SMILES (canonical and isomeric)
CCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCC

Synonyms

  • Decyl phthalate
  • Di-n-decyl phthalate
  • Vinicizer 105
  • Vinysize 105
  • Phthalic acid, didecyl ester
  • Didecyl 1,2-Benzenedicarboxylate
  • 1,2-Benzenedicarboxylic acid, didecyl ester
  • didecyl benzene-1,2-dicarboxylate
  • Didecyl Phthalate (~90%)
  • Phthalic acid, bis-n-decyl ester
  • 1,2-Benzenedicarboxylic acid, 1,2-didecyl ester
  • Didecyl phthalate, analytical standard
  • Bis(n-decyl) phthalate
  • Di-n-decylphthalat
  • Bis(n-decyl)phthalate
  • Phthalic acid, bis-n-decyl es
  • 1,2-Benzenedicarboxylic acid, didecyl ester (iso)
  • Phthalic acid, bis-n-decyl ester 100 |Ig/mL in Acetonitrile
  • Phthalic acid, bis-n-decyl ester 100 microg/mL in Acetonitrile
  • 1,2-Didecyl Ester 1,2-Benzenedicarboxylic Acid, Phthalic Acid Didecyl Ester, Bis(n-decyl)phthalate, DDP, Decyl Phthalate, NSC 15319, Vinycizer 105

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

Appearance
Light-colored liquidexp.
Odour
PRACTICALLY ODORLESSexp.
Melting point
2.5 °Cexp.
Boiling point
261 °Cexp.
Density
0.9675 at 20 °C/20 °Cexp.
Flash point
232.2 °Cexp.
Solubility
Phthalate esters are soluble to various extents in many common organic solvents and oils, but have a relatively low solubility in water. /Phthalate esters/exp.
Vapour pressure
Vapor pressure for phthalate esters are extremely low, contributing much to their thermal stability in plastics. /Phthalate esters/exp.

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
446.67 g/molcalc.
Exact mass
446.3396 Dacalc.
LogP (octanol/water)
8.28calc.
Topological polar surface area
52.6 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
20calc.
Heavy atoms
32calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.71calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

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.

Didecyl phthalate suppliers

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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

1 supplier in 1 country

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Didecyl phthalate 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

Plasticizer, especially for vinyl resins.

In manufacture of electric cables, also for making plastisols.

Functional uses

  • Fragrance

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 Didecyl phthalate is traded under.

HS 2917.33Indicative HS code

Dinonyl or didecyl orthophthalates

World exports in 2024
$862M
+6.6% vs 2023, imports $1B
2019 to 2024
Top exporters
  1. Netherlands38.6%
  2. Germany28.1%
  3. China10.2%
Top importers
  1. United States8.8%
  2. Germany8.6%
  3. Italy7.6%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Didecyl phthalate, based on the data on this page

What is Didecyl phthalate?

Di-n-decyl phthalate is a phthalate ester and a diester.

What is the CAS number of Didecyl phthalate?

The CAS registry number of Didecyl phthalate is 84-77-5.

What is the molecular formula and weight of Didecyl phthalate?

The molecular formula of Didecyl phthalate is C28H46O4 and its molar mass is 446.67 g/mol.

What is Didecyl phthalate used for?

Plasticizer, especially for vinyl resins. In manufacture of electric cables, also for making plastisols.

Is Didecyl phthalate hazardous?

No GHS hazard classification for Didecyl phthalate 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 Didecyl phthalate?

Didecyl phthalate is usually classified under HS code 291733 (Dinonyl or didecyl orthophthalates). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Didecyl phthalate?

CompoundList lists 1 supplier of Didecyl phthalate in New Zealand. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Didecyl phthalate?

Suppliers quote Didecyl phthalate 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 Didecyl phthalate

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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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