Dodecylbenzenesulfonic acid

十二烷基苯磺酸

Also known as: Dodecylbenzenesulphonic acid, Laurylbenzenesulfonic acid, 2-Dodecylbenzenesulfonic acid, Linear-alkylbenzenesulfonic acid, Dodecylbenzene sulfonic acid, Soft type dodecylbenzenesulfonic acid, MFCD00066677, EINECS 204-489-3

Dodecylbenzenesulfonic acid (CAS 27176-87-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H30O3S and a molecular weight of 326.49400 g/mol. It is also known as Dodecylbenzenesulphonic acid, Laurylbenzenesulfonic acid and 2-Dodecylbenzenesulfonic acid. Key properties include a melting point of 10°C, a boiling point of 82 °C, a density of 1.06 g/mL at 20 °C(lit.) and a flash point of 85 °F. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27176-87-0
Jingsj CID
J-1498398-2
Molecular Formula
C18H30O3S
Chinese Name
十二烷基苯磺酸
Molecular Weight
326.49400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point10°C
Boiling Point82 °C
Density1.06 g/mL at 20 °C(lit.)
Flash Point85 °F
Exact Mass326.19200
PSA62.75000
LogP6.47750
Refractive Indexn20/D 1.51
Additional Propertywater, alcohols, glycol ethers, glycols, esters, ketones, aromatic and aliphatic hydrocarbons: soluble

GHS Safety & Compliance

Flammable / Corrosion / IrritantSignal word: Danger
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H314 — Causes severe skin burns and eye damage
  • H336 — May cause drowsiness or dizziness

Customs & Trade Information

HS Code3402110000

Frequently Asked Questions

What is the CAS number of Dodecylbenzenesulfonic acid?

The CAS number of Dodecylbenzenesulfonic acid is 27176-87-0.

What are the molecular formula and molecular weight of Dodecylbenzenesulfonic acid?

Dodecylbenzenesulfonic acid has molecular formula C18H30O3S and molecular weight 326.49400 g/mol.

Is Dodecylbenzenesulfonic acid hazardous?

Dodecylbenzenesulfonic acid has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Dodecylbenzenesulfonic acid (CAS 27176-87-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498398-2 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.