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1.it is not allowed to be added to food in any quantity;
2. 2.can cause crystals formation in urinary tract;
3.tainted products that exceed the legal limits should not be consumed.
1) Molecular formular: (CH2)6H4
2) Molecular weight: 140.19
3) Properties: white crystal or powder
4) Specific gravity (25: 1.27
5) Melting point: 119 - 122
6) Content: 99.3% min.
7) Moisture: 0.2% max.
8) Ash: 0.03% max.
9) Chloride: 0.015% max.
10) Ammonium salt: 0.001% max.
11) Heavy metal: 0.001% max.
12) Sulphate: 0.02% max.
13) Applications: widely used as rubber accelerator H, freezing agent of phenolic
resin, catalyst of amino plastic, also in organic synthesis and pharmaceutical
Specification
1)Purity: 99.8% min
2)Melting point: 354
3)Moisture: 0.1 max
4)PH value: 7.5 9.5
5)Ash content: 0.03max
6)Formaldehyde solubility: less than 20
7)China-clay turbidlity degree: less than 20
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