Triclosan 3380-34-5 I. Basic Information
1. Chemical name: Triclosan
2. Chinese alias: triclosan; 2,4,4'-trichloro-2'-hydroxy diphenyl ether; 5-chloro-2-(2,4-dichlorophenoxy) phenol; TCS
3. English name: Triclosan
4. Molecular formula: C12H7Cl3O2
5. Molecular weight: 289.54
6. CAS number: 3380-34-5
7. EINECS number: 222-182-2
8. Appearance: White crystalline powder with a faint fragrance or a slight odor of phenolic compounds
II. Technical Parameters
Test Item
Indicator: STANDARD
DESCRIPTION
Fine,whitish crystalline powder Melts at
about 56.5℃(Release Limit 56-58℃)
SOLUBILITY
Practically insoluble in water, soluble in Methanol, in Alcohol and in Acetone;slightly soluble in Hexane
IDENTIFICATION
A. Conforms by Infrared Absorption
B. The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay
WATER
Not more than 0.1%
RESIDUE ON IGNITION
Not more than 0.1%
HEAVY METALS
Not more than 0.002%
RELATED COMPOUNDS
Any individual impurity: NMT0.1%
Total impurities: NMT0.5%
MONOCHLORO PHENOL
≤ 50 mg/kg
2,4 DICHLORO PHENOL
≤ 10 mg/kg
2,8 DICHLORO DIBENZO FURAN
≤ 0.25 mg/kg
2,4,8TRICHLORO DIBENZO FURAN
≤ 0.50 mg/kg
1,3,7TRICHLORO DIBENZO-P-DIOXIN
≤ 0.25 mg/kg
2,8 DICHLORO DIBENZO-P-DIOXIN
≤ 0.50 mg/kg
2,3,7,8 TETRA CHLORO
DIBENZO-P-DIOXIN
≤ 0.001ug/kg
2,3,7,8-TETRA CHLORO DIBENZO FURAN
≤ 0.001ug/kg
ASSAY
97.0%-103.0% of C12H7Cl3O2 Calculated on Anhydrous Basis
(The above parameters are reference values, and the specific values shall be subject to the factory inspection sheet.)
III. Packaging specifications
25kg cardboard drum