Chemical name | Potassium Sodium Tartrate;ROCHELLE SALT | Molecular formula | KNaC4H4O6·4H2O | Structural formula | | Molecular weight | 282.23 | CAS NO | 6381-59-5 | Appearance | Colorless and transparent or white crystals, specific gravity:1.79,PH is 6.8~,8 Melting point : 70°C-80°C. Slight efflorescence in the air. Begin to lost partial water of crystallization above 60°C. entirely lost all water of crystallization above 215°C, easily soluble in water solution to appear alkaloscence. | Quality Index | Item | Industrial grade (Standard) | Assay | ≥98 % | Loss on drying | ≤26.0 % | Sulfate | ≤0.04% | Heavy metal(Pb) | ≤10PPM | As | ≤1PPM |
| Uses | Making plates for printings, as deoxidizer in mirror and thermos making, complex-agent for electroplating industry, laxative agent for medicine, transistor loud speaker and megaphone for telecom industry, ADA desalted chemical fertilizer. It also used in glass and the other industries. | Packing | 25KG kraft bag , 20T in 20feet container with pallet |
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