Triclosan, China Triclosan Supplier,Factory

Triclosan

Ningbo Hi-Tech Biochemicals Co., Ltd. [China]

Triclosan (CAS No.: 3380-34-5) Assay: 97.0% ~ 103.0% Monochlorophenols;50ppm max Appearance :White crystalline powder

Items	Acceptance criteria	Results
Appearance	White crystalline power	White crystalline power
Identification	A.IR spectrum consistent with that obtained with	Consistent
	Triclosan RS
	B.The retention time of the major peak in the	Conforms
	chromatogram of the Assay preparation
	corresponds to that in the chromatogram of the
	Standard preparation, as obtained in the Assay
Water	≤0.1%	0.07%
Residue on ignition	≤0.1%	0.035%
Heavy metals	≤0.002%	<0.002%
Melting Point	56-58°C	56.3-57.5°C
Related substances	Any individual impurity:≤0.1%	0.05%
	Total impurities: ≤0.5%	0.16%
Assay	97.0-103.0%(on anhydrous basis)	99.84%
Monochlorophenols	≤50ppm	8ppm
2,4-Dichlorophenol	≤10ppm	3ppm
1,3,7-Trichlorodibenzo-p-Dioxin	≤0.25ppm	0.08ppm
2,8-Dichlorodibenzo-p-Dioxin	≤0.5ppm	0.20ppm
2,8- Dichlorodibenzofuran	≤0.25ppm	0.06ppm
2,4,8-Trichlorodibenzofuran	≤0.5ppm	0.24ppm
2,3,7,8-Tetrachloro dibenzo-p-Dioxin	≤1ppt	<1ppm
2,3,7,8-Tetrachloro dibenzofuran	≤1ppt	<1ppm