Triclosan is synthesized and purified through a series of strict and complicated manufacturing techniques. Compared with other popular antimicrobials, which usually have a low compatibility and bactericidal effect, and a strong sense stimulative effect, triclosan is a proved product through many experiments carried by P & G, unilever, johnson, Colgate, etc.
Items
Standards
Appearance
White crystalline powder
Odor
Trace aromatic or trace phenolic
Assay (HPLC)
99.5-100.0%
Solubility in 1M NaOH
Clear or trace turbidity
Melting point
56.0-58.0℃
Ash content
≤0.1%
Heavy metals
≤10ppm
Loss on drying
Organic impurities (total)
≤0.5%
4-Chlorophenol
10 ppm max
2, 4 –Dichlorophenol
2, 8-Dichlorodibenzofuran
0.25ppm max
2, 8-Dichlorodibenzo-p-dioxin
0.5ppm max
2,4,8-Trichlorodibenzofuran
1, 3, 7-Trichlorodibenzo-p-dioxin
2, 3, 7, 8-Tetrachlorodibenzofuran
1.0ppt max
2, 3, 7, 8-Tetrachlorodibenzo-p-dioxin
Spec-Chem Ind.
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