China Spot Supply of Triclosan with CAS 3380-34-5., Find details about China Triclosan, 3380-34-5 from Spot Supply of Triclosan with CAS 3380-34-5.
Items | Specifications |
Description | White crystalline powder, Melts at about 57ºC |
Solubility | Soluble in methanol, alcohol and acetone, slightly soluble in hexane, insoluble in water. |
Identification A. Infrared absorption spectrum B. Retention time of gas chromatography | 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 | ≤0.1% |
Solution transparency | The solution of 1.4g triclosan in 10ml acetone should be transparent |
Heavy metals | ≤0.002% |
Related compounds(GC) a.Any individual impurity: b.Total impurities: | ≤0.1% ≤0.5% |
Phenolic impurities(HPLC) a.Monochloro phenol b.2,4 dichloro phenol | ≤50 ppm ≤10 ppm |
Neutral impurities(HPLC) a.1,3,7 trichloro dibenzo-p-dioxin b.2,8 dichloro dibenzo-p-dioxin c.2,8 dichloro dibenzo furan d.2,4,8 trichloro dibenzo furan | ≤0.25 ppm ≤0.50 ppm ≤0.25 ppm ≤0.50 ppm |
Neutral impurities (GC and MS) a.2,3,7,8 tetra chloro dibenzo-p-dioxin b.2,3,7,8-tetra chloro dibenzo furan | ≤1.0ppt ≤1.0ppt |
Assay(GC) (C12H7Cl3O2) Calculated on Anhydrous Basis | 97.0% - 103.0% w/w |
Residual solvent (GC) a. Hexane b. Tetrachlorodibenzofuran | ≤250ppm ≤100ppm |
Other tests a. Loss on drying b. Iron c. Residue on ignition d. smell | ≤0.1% ≤10ppm ≤0.1% Odorless / aromatic // phenol //characteristic odor |