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Insecticides and acaricides

Dodecylbenzene

Also known as 1-Phenyldodecane, n-Dodecylbenzene, Benzene, dodecyl-

CAS 123-01-3Formula C18H30Molar mass 246.44 g/molEC 204-591-8
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 19 suppliers listed
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Dodecylbenzene chemical structure, C18H30, CAS 123-01-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
3 °C
Boiling point
328 °C
Density
Relative density (water = 1): 0.86
Flash point
140.6 °C
HS code
290290
Category
Insecticides and acaricides
Illustrative photo, a 1000 litre IBC tote of clear liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Dodecylbenzene?

Plain description, key identifiers and synonyms

Dodecylbenzene is a colorless liquid with a weak oily odor. Floats on water. (USCG, 1999)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dodecylbenzene
CAS number
123-01-3 CAS number cross-checkedOther or deprecated CAS: 29986-57-0
EC number
204-591-8
Molecular formula
C18H30
UNII
A2AX003680
MDL number
MFCD00008974
InChIKey
KWKXNDCHNDYVRT-UHFFFAOYSA-N
InChI
InChI=1S/C18H30/c1-2-3-4-5-6-7-8-9-10-12-15-18-16-13-11-14-17-18/h11,13-14,16-17H,2-10,12,15H2,1H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCC1=CC=CC=C1

Synonyms

  • 1-Phenyldodecane
  • n-Dodecylbenzene
  • Benzene, dodecyl-
  • Laurylbenzene
  • Marlican
  • Dodecane, 1-phenyl-
  • Phenyldodecan
  • Dodecylbenzene, crude
  • Phenyldodecane
  • Dodecane, phenyl-
  • 1-dodecylbenzene
  • 1-Dodecylbenzene, 1-Phenyl-n-dodecane, 1-Phenyldodecane
  • 1-Phenyldodecane, Laurylbenzene, n-Dodecylbenzene
  • dodecyl-benzene
  • phenyl-dodecane
  • lineal alkylbenzene
  • n-DODECYL BENZENE
  • 1-Phenyldodecane, 97%
  • Dodecylbenzene (hard type)
  • Dodecylbenzene, tech
  • 4-05-00-01200 (Beilstein Handbook Reference)
  • 1-Phenyldodecane, analytical standard
  • Dodecylbenzene, hard type, mixture of isomers
  • Dodecylbenzene(soft type) (mixture of linear chain isomers)
  • Dodecylbenzene(hard type) (mixture of branched chain isomers)

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
Colorless liquidexp.
Odour
WEAK OILY ODORexp.
Melting point
3 °Cexp.
Boiling point
328 °Cexp.
Density
Relative density (water = 1): 0.86exp.
Flash point
140.6 °Cexp.
Solubility
Insoluble in waterexp.
Vapour pressure
5.1 × 10⁻⁵ mm Hg @ 25 °Cexp.

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
246.44 g/molcalc.
Exact mass
246.2348 Dacalc.
LogP (octanol/water)
6.15calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
11calc.
Heavy atoms
18calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.67calc.
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

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment
110NFPA 704 rating

Hazard statements

  • H315Causes skin irritation.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Dodecylbenzene suppliers

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

All 19 suppliers
19 of 19 offers

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

19 suppliers in 7 countries

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Dodecylbenzene 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

Chemical intermediate for linear alkylbenzenesulfonate surfactants, dodecylnitrobenzene, dodecylaniline, dodecylbenzyl chloride.

As vehicle & solvent for polynuclear aromatics in carcinogenesis studies.

Solvent for organophosphorus insecticides.

Used to produce arylalkyl sulfonates in soap & detergent industry, has been applied as solvent & chem vehicle.

Detergents of ABS or LAS type.

Functional uses

  • Surfactant (surface active agent)

How it is made

Alkylation of benzene with isomeric dodecenes, obtained by polymerization of propylene.

By alkylation of benzene with propylene tetramer...

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 Dodecylbenzene is traded under.

HS 2902.90Indicative HS code

Cyclic hydrocarbons, other

World exports in 2024
$612M
−6.1% vs 2023, imports $670M
2019 to 2024
Top exporters
  1. China28.0%
  2. Germany13.9%
  3. India * partner reported12.6%
Top importers
  1. Germany11.1%
  2. United States10.6%
  3. South Korea8.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Dodecylbenzene?

Dodecylbenzene is a colorless liquid with a weak oily odor. Floats on water. (USCG, 1999)

What is the CAS number of Dodecylbenzene?

The CAS registry number of Dodecylbenzene is 123-01-3. Other or deprecated CAS numbers: 29986-57-0.

What is the molecular formula and weight of Dodecylbenzene?

The molecular formula of Dodecylbenzene is C18H30 and its molar mass is 246.44 g/mol.

What is Dodecylbenzene used for?

Chemical intermediate for linear alkylbenzenesulfonate surfactants, dodecylnitrobenzene, dodecylaniline, dodecylbenzyl chloride. As vehicle & solvent for polynuclear aromatics in carcinogenesis studies. Solvent for organophosphorus insecticides.

Is Dodecylbenzene hazardous?

Dodecylbenzene carries the GHS signal word "Warning". Main hazards: causes skin irritation, very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Dodecylbenzene?

Dodecylbenzene is usually classified under HS code 290290 (Cyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dodecylbenzene?

CompoundList lists 19 suppliers of Dodecylbenzene in India, China, Germany, Iran and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Dodecylbenzene in India?

10 suppliers in India list Dodecylbenzene on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Dodecylbenzene?

Suppliers quote Dodecylbenzene 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 Dodecylbenzene

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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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