Phthalic anhydride is an organic compound, molecular formula C8H4O3, is a cyclic anhydride formed by intramolecular dehydration of phthalic acid. Phthalic anhydride, a white solid, is an important raw material in chemical industry, especially used in plasticizer manufacturing.
Product Name | Phthalic Anhydride | |||
Date in Produced | 2019.01.17 | |||
Executive Standard | GB/T15336-2013 | |||
Test Item | Superior product | Top quality goods | Qualified product | Testing results |
Description | White flake or crystallinity powder | White flake or crystalline powder with other shades | White flake or crystalline powder with other shades | |
Melt colority≤ | 20 | 50 | 100 | 20# |
Thermally stable chroma≤ | 50 | 150 | - | 40# |
Sulphuric acid color≤ | 40 | 100 | 150 | 10# |
Solidification Point(ºC)≥ | 130.5 | 130.3 | 130.0 | 131.1 |
Content(%)≥ | 99.50 | 99.50 | 99.50 | 99.97 |
Free acid(%)≤ | 0.20 | 0.30 | 0.50 | 0.06 |
IT IS UP TO QUALITY STANDARD OF OUR PLANT |
25kg/bag,20MT/20FCL without pallet; 16MT/20FCL with pallet.
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