
Zinc Carbonate CAS 3486-35-9 Powder
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Zinc Carbonate CAS 3486-35-9 powder
Zinc Carbonate is a widely used inorganic compound with multiple aliases, including Carbonic acid zinc salt, Zinc monocarbonate, and Zinc(II) carbonate. Its chemical formula is ZnCO₃, and it is identified by CAS 3486-35-9. As a common inorganic material, Zinc Carbonate is mainly presented as a white fine amorphous powder, which is the most stable and widely used form in industrial applications.


The physical and chemical properties of Zinc Carbonate determine its extensive application prospects. It is odorless and tasteless, with a relative density of 4.42–4.45 (density 4.398 g/cm³). It is insoluble in water and ethanol, slightly soluble in ammonia, and can be dissolved in dilute acids and sodium hydroxide solutions. At room temperature, Zinc Carbonate is stable; it decomposes when exposed to acid and easily decomposes into zinc oxide (ZnO) and carbon dioxide (CO₂) when heated. These stable physical properties make it suitable for various harsh industrial environments.
Below is the most commonly used specification of Zinc Carbonate (industrial grade), which meets international import and export standards and is widely recognized by global procurement partners:
|
Item |
Specification |
|
Zinc Content (as ZnO) |
≥ 56.0% |
|
Loss on Ignition |
30.0–35.0% |
|
Water Insoluble Matter |
≤ 0.2% |
|
Heavy Metals (as Pb) |
≤ 0.005% |
|
pH Value (10% Suspension) |
6.5–8.0 |
Zinc Carbonate has a wide range of applications in various industries. In the rubber industry, it is used as an activator and reinforcing agent, which can improve the tensile strength and wear resistance of rubber products. In the paint and coating industry, it serves as a white pigment and filler, enhancing the covering power and weather resistance of coatings. It is also widely used in the production of ceramics, glass, and pigments, as well as in the pharmaceutical and feed additive fields. Additionally, it is an important raw material for the preparation of zinc oxide and other zinc compounds.
This product has passed REACH registration, complying with EU environmental and safety standards, and MSDS download is available for customers to obtain detailed safety and handling information.
FAQ
Q1: Is Zinc Carbonate (CAS 3486-35-9) compatible with other inorganic compounds?
A1: Yes, it has good compatibility with most common inorganic compounds, such as zinc oxide, magnesium carbonate, and calcium carbonate, and can be mixed and used according to production needs.
Q2: What is the storage condition for Zinc Carbonate powder?
A2: It should be stored in a cool, dry, and well-ventilated warehouse, away from moisture, acids, and oxidants, and avoid direct sunlight to prevent decomposition and deterioration.
Q3: Does Zinc Carbonate have any special transportation requirements?
A3: It is a non-hazardous product, and can be transported by ordinary cargo transportation; it should be protected from rain, moisture, and collision during transportation to avoid package damage.

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