Triclosan (CAS 3380-34-5) — formula C12H7Cl3O2, molecular weight 289.5; category fine chemicals.
Triclosan (CAS 3380-34-5) is a chemical raw material in the fine chemicals category. Its molecular formula C12H7Cl3O2 comprises 12 C, 7 H, 3 Cl, 2 O atoms. Its molecular weight is about 289.5. Reported physicochemical data: melting point around 55-57 °C, boiling point around 120, LogP about log Kow = 4.76. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 3380-34-5 |
|---|---|
| Molecular Formula | C12H7Cl3O2 |
| Molecular Weight | 289.5 |
| Melting Point | 55-57 °C |
| Boiling Point | 120 |
| LogP | log Kow = 4.76 |
| Applications | Preservative, A halogenated phenol used in cosmetics and toilet soaps as an antiseptic and disinfectant, It is highly active against staphylococci and is used as an active agent in deodorants and antiseptic soaps |
| Category | Fine Chemicals|Disinfectants |
Documented applications: Preservative, A halogenated phenol used in cosmetics and toilet soaps as an antiseptic and disinfectant, It is highly active against staphylococci and is used as an active agent in deodorants and antiseptic soaps.
Triclosan is a high-value fine compound with CAS registry number 3380-34-5 and molecular formula C12H7Cl3O2 (molecular weight 289.5), belonging to the fine chemicals segment of chemical raw materials.
CAS number: 3380-34-5
Its molecular formula C12H7Cl3O2 comprises 12 C, 7 H, 3 Cl, 2 O atoms.
Also known as: Triclosan · 三氯生
Category: fine chemicals / chemical
The CAS registry number of Triclosan is 3380-34-5.
Molecular formula C12H7Cl3O2, molecular weight 289.5.
It is also registered under: Triclosan, 三氯生.
Recorded applications: Preservative, A halogenated phenol used in cosmetics and toilet soaps as an antiseptic and disinfectant, It is highly active against staphylococci and is used as an active agent in deodorants and antiseptic soaps.
Category: Fine Chemicals / Disinfectants.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Triclosan (CAS 3380-34-5), compiled from public chemistry databases.
| CAS Registry Number | 3380-34-5 |
|---|---|
| PubChem CID | 5564 |
| Molecular formula | C12H7Cl3O2 |
| IUPAC name | 5-chloro-2-(2,4-dichlorophenoxy)phenol |
| UNII (FDA) | 4NM5039Y5X |
| Molecular Weight | 289.5 |
|---|---|
| XLogP3 | 5 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 287.951163 |
| Monoisotopic Mass | 287.951163 |
| Topological Polar Surface Area | 29.5 |
| Heavy Atom Count | 17 |
| Boiling Point | 120 |
|---|---|
| Boiling Point | 280 to 290 °C (decomposes) |
| Melting Point | 55-57 °C |
| Melting Point | 54-57.3 °C |
| Solubility | In water, 10 mg/L at 20 °C |
| Vapor Pressure | 0.0000046 [mmHg] |
| LogP | log Kow = 4.76 |
| LogP | 4.53 |
| Dissociation Constants | 7.9 |
| Dissociation Constants | pKa = 7.9 |
triclosan; 3380-34-5; 5-CHLORO-2-(2,4-DICHLOROPHENOXY)PHENOL; Cloxifenolum; 2,4,4'-Trichloro-2'-hydroxydiphenyl ether; Triclosanum; Irgasan DP300; Stri-Dex Cleansing Bar; Stri-Dex Face Wash; CH 3565; Phenol, 5-chloro-2-(2,4-dichlorophenoxy)-; Lexol 300; 5-Chloro-2-(2,4-dichloro-phenoxy)-phenol; CH-3565; DTXSID5032498; Phenyl ether, 2'-hydroxy-2,4,4'-trichloro-
| Regulatory & Food Contact | CIR / INCI: Cosmetic ingredients (Triclosan) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Preservative |
|---|
| Reported hazard statements | H315, H319, H400, H410, H331, H335 |
|---|
H315: Causes skin irritation [Warning Skin corrosion/irritation]
H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Triclosan · CAS 3380-34-5 · C12H7Cl3O2. UNII 4NM5039Y5X. Boiling Point: 120; Boiling Point: 280 to 290 °C (decomposes); Melting Point: 55-57 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 三氯生