Hangzhou Huasheng Medicalchem

Chemical Name: 2,4,4'-tricholro-2'-hydroxy diphenyl ether, 5-Chloro-2-(2,4-dichlorophenoxy) phenol
Registered Number: CAS: 3380-34-5
Molecular Formula: C12H7C13O2
Moecular Weight: 289.5
Chemical structure:

Appearance: white crystal powder
Odor: weak Phenolic (aromic) scent
Appearance: Crystalline Powder
Color: white or Off-White
Odor: fragrnant weak Phenolic(aromatic)

Specifications:
Content: 99.0-100.0%(HPLC)
Melting point: 57�?C
Loss on drying: <0.1%
Ash: <0.1%
Heavy metal (counted by Pb): <10ppm
Impurities controlled according to USP27.

Characteristics:
1. white high purity fragrant powder, non-contaminated to product and skin;
2. dissolved in several kinds of organic solvent and surfactants;
3. keep highly stable in strong acid, or strong alkali;
4. a good bactericide which can kill and inhibit gram-positive bacterium , gram-negative bacterium , fungus , yeast and virus (such as pneumonia A and B viruses, hydrophobic virus , AIDS HIV);
5. be effective to inhibit antiantibiotic bacterium and non-antibiotic bacterium.

Physical natures:
a. Properties: white crystalline powder, aromatic slightly phenolic odour.
b. Solubility: could be slightly dissolved in water , medium solubility in dilute alkali solution, easily dissolved in organic solvents such as ethanol and acetone etc. It can be made transparent highly condensed liquid products after dissoving in surfactants.

Safety nature: Triclosan can co-exist well with human skins. Long-term and wide animal toxicological experiments also prove that using Triclosan in the advised application scope and amount limits can reach international toxicity standard for chemical products .It is a preferable safe and high performance broad spectrum antiseptic agent in the world of today.
Results of toxicity test, acute oral administration toxicity: