Skip to main content

Diclosan

Also known as: 4,4'-dichloro-2-hydroxydiphenyl ether, 5-chloro-2-(4-chlorophenoxy)phenol, 2-Hydroxy-4,4'-dichlorodiphenyl ether, Dichlorophen, Tinosan, Soneclosan, Erosan, HP100

Diclosan (CAS 3380-30-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl2O2 and a molecular weight of 255.09700 g/mol. Key properties include a melting point of 71 - 74°C(lit.), a boiling point of 333.1ºC at 760mmHg, a density of 1.398 g/cm3 and a flash point of 155.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3380-30-1
Jingsj CID
J-1157697-6
Molecular Formula
C12H8Cl2O2
Molecular Weight
255.09700 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point71 - 74°C(lit.)
Boiling Point333.1ºC at 760mmHg
Density1.398 g/cm3
Flash Point155.2ºC
Exact Mass253.99000
PSA29.46000
LogP4.49130
Refractive Index1.623

Customs & Trade Information

HS Code2909500000
Summary2909500000 ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diclosan?

The CAS number of Diclosan is 3380-30-1.

What are the molecular formula and molecular weight of Diclosan?

Diclosan has molecular formula C12H8Cl2O2 and molecular weight 255.09700 g/mol.

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

Last updated:

How to cite: Jingsj. "Diclosan (CAS 3380-30-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1157697-6 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.