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Synonyms ：Zinc carbonate hydorxide；Zinccarbonate,basic,tetrahydr；dizinc dihydroxyzinc dicarbonate;Zinc carbonate monohydrate;zinccarbonatehydroxidehydrate;Zinc carbonte basic tetrahydrate
CAS No. ：5970-47-8,12539-71-8
EINECS ：222-477-6
Molecular Formula : C2H6O12Zn5, C2H2O8Zn3
Molar Mass : 549.01
Properties : White fine amorphous powder. Odorless and tasteless. relative density 4.42~4.45 solubility: insoluble in water and alcohol, slightly soluble in ammonia. Soluble in dilute acid and hydrogen oxidation.
Specification:
|
Item |
Best quality |
First quality |
Qualified |
|
Appearance |
White Powder |
||
|
Main content (Zn dry basis) % ≥ |
57.5 |
57.0 |
56.5 |
|
Ignition loss % |
25.0-28.0 |
25.0-30.0 |
25.0-32.0 |
|
Heavy metal (Pb) content % ≤ |
0.04 |
0.05 |
0.05 |
|
Moisture % ≤ |
2.5 |
3.5 |
5.0 |
|
Sulfate (SO4 ) % ≤ |
0.60 |
0.80 |
--- |
|
Fineness through the 75um mesh % ≥ |
95.0 |
94.0 |
93.0 |
|
Cadmium (Cd) % ≤ |
0.10 |
-- |
0.003 |
Applications and Usages: Used as a light astringent, calamine, skin protectant, latex products raw materials.
Packaging: Plastic woven bag with PE inner 25kg/1000kg net bag.
PIC：Yan Zhuo
Email：km11@kmchem.com
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