Preservatives & Biocides
REACH
Triclosan
CAS Number
3380-34-5
EC Number
222-182-2
What is Triclosan?
Triclosan (CAS 3380-34-5) is a broad-spectrum antimicrobial agent.
Where is Triclosan used?
- Personal care and cosmetics: preservative and biocide in antibacterial soaps, deodorants and skin cleansers
- Healthcare: surgical scrubs and topical preparations
- Textiles and leather: antimicrobial treatment of fabrics and hides against odor-causing bacteria
- Plastics: incorporated into polymer matrices for consumer goods and medical device housings
- It inhibits bacterial and fungal growth in finished formulations and treated materials.
Good to know: Technical grade is available for industrial use; higher-purity grades meet USP and Ph. Eur. specifications for pharmaceutical and personal care use.
Commercial specifications
- Technical grade and higher-purity USP and Ph. Eur. grades
- Packaging from kilogram-scale bags to bulk drums
Other Names (Synonyms)
Stri-Dex Face Wash|Stri-Dex Cleansing Bar|5-Chloro-2-(2,4-dichloro-phenoxy)-phenol|2,4,4'-Trichloro-2'-hydroxydiphenyl ether|Irgasan DP300|Phenol, 5-chloro-2-(2,4-dichlorophenoxy)-
What are the physical properties of Triclosan?
Melting Point 54-57.3 °C
Boiling Point 374 °C
Density 1.356 g/cm³
Appearance Solid
Color colorless or white
Form Solid
Water Solubility Soluble in ethanol, methanol, diethyl ether and sodium hydroxide solution (1M). Slightly soluble in water.
Vapor Pressure 0.001Pa at 25℃
Refractive Index 1.4521 (estimate)
Log P 4.9 at 20℃
How is Triclosan classified and handled safely? Learn More
Warning
GHS07· Irritant GHS09· Environmental Hazard GHS06· Toxic
Hazard Statements
H315 Causes skin irritation
H319 Causes serious eye irritation
H331 Toxic if inhaled
H335 May cause respiratory irritation
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects
Precautionary Statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
Which trade and regulatory codes apply to Triclosan?
HS Code 29095000
UN Number 3077
ADR Class 9
Packing Group III
Storage Class 11 - Combustible Solids
WGK (Germany) 2