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· Triphenylphosphine
· Tetrachlorophthalic Anhydride
· p-Cresol
· Sodium sulfite
· Sulfuric acid
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Ferric chloride

【English name】: Ferric chloride
【Chinese alias】:
【CAS】:7705-08-0
【Molecular formula】:FeCl3
【Index】

No.
Item
Unit Technical requirement Actual measurement results Single item judgment
1 Appearance / Reddish brown liquid Reddish brown liquid Accord
2 Mass fraction of iron
(Fe3+)
% ≥ 13.0 15.9 Accord
3 Mass fraction of ferrous (Fe2+) % ≤ 0.10 0.02 Accord
4 Mass fraction of insoluble substances % ≤ 0.50 0.11 Accord
5 Mass fraction of free acid (calculated as HC1) % ≤ 0.40 0.26 Accord
6 Density(20°C) g/cm3 ≥ 1.4 1 5 Accord

【Packing】:1000Kg steel bottle
【Use】: In the industry, liquid sulfur dioxide is a good solvent for compounds. It can be used as refrigerants, preservatives, bleach or other organic raw materials.In addition, liquid sulfur dioxide is also used in pesticides, pharmaceuticals, man-made fibers, organic synthesis, dyes and so on.

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