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Tetrachlorophthalic Anhydride TCPA 117-08-8
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Tetrachlorophthalic Anhydride:
[English initial]:TCPA
[Chinese name]:Tetrachlorophthalic anhydride
[Chinese alias]:Tetrachlorophthalic anhydride
[CAS]:117-08-8
[Molecular formula]:C8Cl4O3
[Relative molecular weight]:285.9
Specification:
Purity/%≥ |
Gas phase chromatography |
99.0 |
|
Liquid phase chromatography |
98.5 |
Melting point/°C≥ |
255.5~258.0 |
|
Drying loss/%≤ |
0.50 |
|
Solubility in xylene/% |
100 |
|
Chroma≤ |
in Xylene |
50 |
|
in Methanol |
150 |
|
In ethanol |
— |
Free acid/%≤ |
0.50 |
|
Free chlorine/%≤ |
0.001 |
|
Iron content/ppm≤ |
10 |
|
Alkali insoluble/%≤ |
0.50 |
|
Hexachlorobenzene/%≤ |
0.100 |
|
Sulfate /%≤ |
0.01 (100ppm) |
|
Tetrachloride phthalic acid |
0.7 |
|
Water/%≤ |
0.04 |
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