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Aromatic building blocks

Dodecyl phthalate

Also known as Monododecyl phthalate, 1,2-Benzenedicarboxylic acid, monododecyl ester, 1,2Benzenedicarboxylic acid, monododecyl ester

CAS 21577-80-0Formula C20H30O4Molar mass 334.46 g/molEC 244-450-8
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Dodecyl phthalate chemical structure, C20H30O4, CAS 21577-80-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
21577-80-0
Formula
C20H30O4
Molar mass
334.46 g/mol
EC number
244-450-8
HS code
291734
Category
Aromatic building blocks

What is Dodecyl phthalate?

Plain description, key identifiers and synonyms

Dodecyl phthalate is a chemical substance with the molecular formula C20H30O4 and a molar mass of 334.46 g/mol. Its CAS registry number is 21577-80-0. The IUPAC name is 2-dodecoxycarbonylbenzoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-dodecoxycarbonylbenzoic acid
CAS number
21577-80-0 CAS number cross-checked
EC number
244-450-8
Molecular formula
C20H30O4
UNII
TD6HB31KC4
InChIKey
WGQVJOPQTOUKDI-UHFFFAOYSA-N
InChI
InChI=1S/C20H30O4/c1-2-3-4-5-6-7-8-9-10-13-16-24-20(23)18-15-12-11-14-17(18)19(21)22/h11-12,14-15H,2-10,13,16H2,1H3,(H,21,22)
SMILES (canonical and isomeric)
CCCCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)O

Synonyms

  • Monododecyl phthalate
  • 1,2-Benzenedicarboxylic acid, monododecyl ester
  • 1,2Benzenedicarboxylic acid, monododecyl ester
  • Dodecyl hydrogen phthalate
  • 2-dodecoxycarbonylbenzoic acid
  • 2-[(dodecyloxy)carbonyl]benzoic acid
  • 2-((dodecyloxy)carbonyl)benzoic acid
  • mono-Dodecylphthalat
  • Monolauryl phthalate
  • 2-(dodecyloxycarbonyl)benzoic acid

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
334.46 g/molcalc.
Exact mass
334.2144 Dacalc.
LogP (octanol/water)
5.46calc.
Topological polar surface area
63.6 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
13calc.
Heavy atoms
24calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.6calc.
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.

Dodecyl phthalate suppliers

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

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Dodecyl phthalate 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

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 Dodecyl phthalate is traded under.

HS 2917.34Indicative HS code

Aromatic polycarboxylic acids, other esters of orthophthalic acids

World exports in 2024
$279M
−7.8% vs 2023, imports $292M
2019 to 2024
Top exporters
  1. China18.7%
  2. India * partner reported16.0%
  3. South Korea14.2%
Top importers
  1. United States10.6%
  2. Germany8.7%
  3. China8.0%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Dodecyl phthalate?

Dodecyl phthalate is a chemical substance with the molecular formula C20H30O4 and a molar mass of 334.46 g/mol. Its CAS registry number is 21577-80-0. The IUPAC name is 2-dodecoxycarbonylbenzoic acid.

What is the CAS number of Dodecyl phthalate?

The CAS registry number of Dodecyl phthalate is 21577-80-0.

What is the molecular formula and weight of Dodecyl phthalate?

The molecular formula of Dodecyl phthalate is C20H30O4 and its molar mass is 334.46 g/mol.

What is Dodecyl phthalate used for?

Known uses and roles of Dodecyl phthalate include building blocks in research and laboratory.

Is Dodecyl phthalate hazardous?

No GHS hazard classification for Dodecyl 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 Dodecyl phthalate?

Dodecyl phthalate is usually classified under HS code 291734 (Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dodecyl phthalate?

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

What is the price of Dodecyl phthalate?

Suppliers quote Dodecyl 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 Dodecyl 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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