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Molecular formula: C8Cl4O3
CAS NO.: 117-08-8
Product Application: For medicine, painws, dyes, flame retardants and so on.
Specification：
Item | Index | |||||
Fine product | Superior grade | First grade | Second grade | Qualified product | ||
Appearance | White crystal or powder | |||||
Purity／%≥ | Gas phase chromatography | — | 99.0 | — | 99.0 | 99.0 |
Liquid phase chromatography | 98.5 | — | 99.0 | — | — | |
Melting point／℃≥ | 256.0 | 255.5~258.0 | 256.0~258.0 | 255.5~258.0 | 255.5~258.0 | |
Drying loss／%≤ | — | 0.50 | 0.50 | 0.50 | 0.50 | |
Solubility in xylene／% | 100 | — | — | 100 | 100 | |
Chroma≤ | in Xylene | 50 | — | — | 150 | — |
in Methanol | — | 150 | — | — | — | |
In ethanol | — | — | 10 | — | — | |
Free acid/%≤ | — | 0.50 | 0.50 | 0.50 | 0.50 | |
Free chlorine/%≤ | — | 0.001 (10ppm) | 0.001 (10ppm) | 0.001 (10ppm) | 0.001 (10ppm) | |
Iron content/ppm≤ | 30 | 10 | — | 10 | 10 | |
Alkali insoluble/%≤ | — | 0.50 | — | — | — | |
Hexachlorobenzene/%≤ | 0.015 (150ppm) | 0.100 (1000ppm) | 0.100 (1000ppm) | 0.100 (1000ppm) | — | |
Sulfate /%≤ | 0.010 (100ppm) | — | — | — | — | |
Tetrachloride phthalic acid /%≤ | 0.7 | — | — | — | — | |
Water/%≤ | 0.04 | — | — | — | — | |
Package：Lining plastic woven bag, net wt：25kg.
Manufacturing
