CompoundList
Sign in
Aromatic building blocks

Decylbenzene

Also known as 1-Phenyldecane, n-Decylbenzene, Benzene, decyl-

CAS 104-72-3Formula C16H26Molar mass 218.38 g/molEC 203-230-1
GHS signal word: Warning. Pictograms: Harmful or irritant
Get quotes Safety data
Decylbenzene chemical structure, C16H26, CAS 104-72-3
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Melting point
-14.4 °C
Boiling point
298 °C
Density
0.8555 @ 20 °C
Flash point
107 °C
HS code
290290
Category
Aromatic building blocks
UN number
UN 3082
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Decylbenzene?

Plain description, key identifiers and synonyms

Decyl-Benzene is a member of benzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
decylbenzene
CAS number
104-72-3 CAS number cross-checked
EC number
203-230-1
Molecular formula
C16H26
UNII
KIR29W0BP0
MDL number
MFCD00008955
InChIKey
UZILCZKGXMQEQR-UHFFFAOYSA-N
InChI
InChI=1S/C16H26/c1-2-3-4-5-6-7-8-10-13-16-14-11-9-12-15-16/h9,11-12,14-15H,2-8,10,13H2,1H3
SMILES (canonical and isomeric)
CCCCCCCCCCC1=CC=CC=C1

Synonyms

  • 1-Phenyldecane
  • n-Decylbenzene
  • Benzene, decyl-
  • phenyldecane
  • n-decyl benzene
  • 1-Phenyl-n-decane
  • nDecylbenzene
  • 1Phenyldecane
  • Benzene, decyl
  • Decane, 1phenyl
  • Decane, 1-phenyl-
  • Decane, phenyl-
  • decyl-Benzene
  • 1-Phenyldecane, 98%
  • 1-phenyl-decan
  • 1-Phenyldecane, analytical standard

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.
Melting point
-14.4 °Cexp.
Boiling point
298 °Cexp.
Density
0.8555 @ 20 °Cexp.
Flash point
107 °Cexp.
Solubility
INSOLUBLE IN WATERexp.
Vapour pressure
1.28 × 10⁻³ 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
218.38 g/molcalc.
Exact mass
218.2035 Dacalc.
LogP (octanol/water)
5.37calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
9calc.
Heavy atoms
16calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.63calc.
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
120NFPA 704 rating

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (17)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3082

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

Decylbenzene suppliers

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

No supplier listings yet

Post one free request and suppliers who make or trade Decylbenzene can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Decylbenzene 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.

Get latest price

Uses and applications

What the substance is used for, by industry and function

For production of linear alkyl sulfonates.

How it is made

Reaction of benzene with monochloroparaffin mixtures (aluminum chloride catalyst complex) or internal olefin mixtures (hydrogen fluoride catalyst) forms a mixture of linear alkylbenzenes with chain lengths of c10 to c14 (c12 or c13 average)

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 Decylbenzene 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 Decylbenzene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Decylbenzene?

Decyl-Benzene is a member of benzenes.

What is the CAS number of Decylbenzene?

The CAS registry number of Decylbenzene is 104-72-3.

What is the molecular formula and weight of Decylbenzene?

The molecular formula of Decylbenzene is C16H26 and its molar mass is 218.38 g/mol.

What is Decylbenzene used for?

For production of linear alkyl sulfonates.

Is Decylbenzene hazardous?

Decylbenzene carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Decylbenzene?

Decylbenzene 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 Decylbenzene?

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

What is the price of Decylbenzene?

Suppliers quote Decylbenzene 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 Decylbenzene

Get quotes for Decylbenzene

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Decylbenzene
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Decylbenzene with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/decylbenzene-104-72-3" title="Decylbenzene structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Aromatic building blocks or HS code 290290

Price on request
Free quotes, contact stays private
Get quotes