Molekula
Triclosan
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Triclosan is a synthetic antibacterial and antifungal agent commonly used in personal care products, disinfectants, and medical devices. It is effective against a broad spectrum of microorganisms. Available with a CAS number of 3380-34-5, molecular formula C12H7Cl3O2, and molecular weight 289.54 g/mol, it is stable at ambient storage conditions. This product carries a warning signal word due to potential health and environmental concerns. Molekula supplies Triclosan from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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25 g — £124.50 per pack ex VAT · £149.40 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Fine Whitish crystalline powder |
| Melting Point | 55.0 - 58.0°C |
| Water | ≤ 0.1% |
| Heavy metals | ≤ 0.001% |
| Assay | 97.0 - 103.0% |
| Residue on Ignition | ≤ 0.1% |
| Individual impurity | ≤ 0.1% |
| Total Impurities | ≤ 0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Odour | Slight, faintly aromatic odor |
| Melting Point | 54-57.3 °C |
| Boiling Point | 120 °C |
| Water Solubility | 10 mg/L at 20 °C |
| Solubility (other solvents) | Readily soluble in alkaline solutions and many organic solvents; soluble in methanol, alcohol, acetone |
| Vapour Pressure | 0.0000046 mmHg |
| pKa | pKa = 7.9 |
| log P (octanol/water) | 4.76 |
Source: PubChem CID 5564 (HSDB, DrugBank, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 73701909 |
| CAS Number | 3380-34-5 |
| IUPAC Name | 5-chloro-2-(2,4-dichlorophenoxy)phenol |
| EC Number | 222-182-2 |
| Molecular Formula | C12H7Cl3O2 |
| Molecular Weight | 289.54 |
| Exact Mass | 287.9512 |
| SMILES | C1=CC(=C(C=C1Cl)O)OC2=C(C=C(C=C2)Cl)Cl |
| InChIKey | XEFQLINVKFYRCS-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H7Cl3O2/c13-7-1-3-11(9(15)5-7)17-12-4-2-8(14)6-10(12)16/h1-6,16H |
| PubChem CID | 5564 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29095050 |
| Tariff Code | 2909500090 |
Safety & GHS
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2,4,4'-Trichloro-2'-hydroxydiphenyl ether
- 5-Chloro-2-(2,4-dichloro-phenoxy)-phenol
- CH 3565
- Cloxifenolum
- Irgasan DP300
- Lexol 300
- Phenol, 5-chloro-2-(2,4-dichlorophenoxy)-
- Stri-Dex Cleansing Bar
- Stri-Dex Face Wash
- Triclosanum
Frequently asked questions
What is Triclosan used for?
Triclosan is primarily used as an antimicrobial agent in consumer products such as soaps, toothpastes, and disinfectants.
What is the chemical formula and molecular weight of Triclosan?
The chemical formula of Triclosan is C12H7Cl3O2, and its molecular weight is 289.54 g/mol.
How should Triclosan be stored?
Triclosan should be stored at ambient temperature, away from moisture and direct light.
What grade of Triclosan does Molekula supply?
Molekula supplies Triclosan in technical grade; please contact us for specific purity requirements.
Can Molekula supply Triclosan in bulk?
Yes, Molekula can supply Triclosan in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Triclosan order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.