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Standard:GB/T 9015-1998
Uses: mainly used in synthetic resin, plastic, pesticide, foaming agent, antiseptic.
Technical requirements:
Appearance: white or light color crystal, without visible impurities.
| Item |
Index |
| Top-grade |
First grade |
Qualified product |
| Purity, % ≥ |
99.3 |
99.0 |
98.0 |
| Moisture, % ≤ |
0.5 |
1.0 |
| Ash, % ≤ |
0.03 |
0.05 |
0.08 |
| Appearance of solution ≤ |
ok |
-- |
| heavy metals(as Pb2+), % ≤ |
0.001 |
-- |
| Chloride(as Cl-), % ≤ |
0.015 |
-- |
| Sulfate (as SO42-), % ≤ |
0.02 |
-- |
| Ammonium salt (as NH3), % ≤ |
0.001 |
-- |
* It is similar to standard of JIS K1532-78(88).
Molecular formula:(CH2)6N4
Relative molecular mass :140.19
Properties: white or light color crystal. .
Packing & Storage: plastic woven bag, screw thread glass bottle; Do not mix with oxidant, acid, food chemicals. Avoid insolation, rain and high temp..
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