Triclosan methyl ether
Also known as: Methyl triclosan, 2,4,4'-Trichloro-2'-methoxydiphenyl ether, 2,4-Dichloro-1-(4-chloro-2-methoxyphenoxy)benzene, 5-Chloro-2-(2,4-dichlorophenoxy)anisole, Benzene, 4-chloro-1-(2,4-dichlorophenoxy)-2-methoxy-, Triclosan-methyl, METHYL ETHER TRICLOSAN, Triclosan Impurity, Triclosan-methyl OEKANAL
Triclosan methyl ether (CAS 4640-01-1) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C13H9Cl3O2 and a molecular weight of 303.568 g/mol. Key properties include a boiling point of 358.7±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 128.5±28.0 °C. It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4640-01-1
- Jingsj CID
- J-1962597-9
- Molecular Formula
- C13H9Cl3O2
- Molecular Weight
- 303.568 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 358.7±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 128.5±28.0 °C |
| Exact Mass | 301.966827 |
| PSA | 18.46000 |
| LogP | 4.74 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.589 |
| Storage Conditions | Refrigerator |
GHS Safety & Compliance
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. Xijuan Chen, et al. Biodegradation of triclosan and formation of methyl-triclosan in activated sludge under aerobic conditions. Chemosphere. 2011 Jul;84(4):452-6. |
|---|
Customs & Trade Information
| HS Code | 2909309090 |
|---|---|
| Summary | 2909309090 other aromatic ethers 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 Triclosan methyl ether?
The CAS number of Triclosan methyl ether is 4640-01-1.
What are the molecular formula and molecular weight of Triclosan methyl ether?
Triclosan methyl ether has molecular formula C13H9Cl3O2 and molecular weight 303.568 g/mol.
Is Triclosan methyl ether hazardous?
Triclosan methyl ether has GHS signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Triclosan methyl ether (CAS 4640-01-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962597-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.