Product Details
| Product Name: Zinc Oxide | CAS No.: 1314-13-2 |
| EC-No.: 215-222-5 | Min. Order: 1ton |
| Purity: 99% | Supply Ability: 1000T/M |
| Release date: 2025/11/04 |
Product Name: Zinc Oxide (ZnO)
CAS No.: 1314-13-2
Molecular Formula: ZnO
Molecular Weight: 81.38 g/mol
1. Product Description
Zinc Oxide is a white, odorless, inorganic compound available in various grades. It is produced by the indirect (French) process or direct (American) process and is widely used in rubber, ceramics, coatings, food fortification, cosmetics, and pharmaceuticals.
2. Typical Physical & Chemical Properties
| Property | Industrial Grade | Food Grade |
|---|---|---|
| Appearance | White to slightly yellowish powder | White, fine, odorless powder |
| Zinc Oxide Content (ZnO) | ≥ 99.0 % | ≥ 99.7 % |
| Lead (Pb) | ≤ 0.1 % | ≤ 10 ppm |
| Cadmium (Cd) | ≤ 0.01 % | ≤ 2 ppm |
| Arsenic (As) | ≤ 0.005 % | ≤ 1 ppm |
| Iron (Fe) | ≤ 0.005 % | ≤ 50 ppm |
| Loss on Ignition (950 °C) | ≤ 1.0 % | ≤ 0.3 % |
| Moisture (105 °C) | ≤ 0.5 % | ≤ 0.3 % |
| Specific Surface Area (BET) | 3 – 6 m2/g | 3 – 5 m2/g |
| Bulk Density | 0.4 – 0.6 g/cm3 | 0.35 – 0.55 g/cm3 |
| Particle Size (D50) | 0.1 – 5 μm | 0.1 – 1 μm |
| pH (10% suspension) | 6.0 – 8.0 | 6.5 – 7.5 |
| Solubility in Water | Insoluble | Insoluble |
3. Typical Applications
Industrial Grade
Rubber Industry: Vulcanization activator in tires, hoses, belts.
Ceramics & Glass: Fluxing agent, opacifier, glaze component.
Paints & Coatings: White pigment, corrosion protection.
Electronics: Varistors, ferrites, piezoelectric ceramics.
Food Grade
Food Fortification: Source of zinc in flour, cereal, dairy products.
Nutraceuticals: Dietary supplements, tablets, syrups.
Pharmaceuticals: Ointments, creams, sunscreens (UV filter).
4. Packaging
Industrial Grade: 25 kg woven bag / 500 kg big bag.
Food Grade: 25 kg multi-layer paper bag with PE liner.
Custom packaging available upon request.
5. Storage & Handling
Store in a cool, dry, well-ventilated area.
Keep container tightly closed to avoid moisture absorption.
Avoid contact with strong acids.
6. Safety & Regulatory Information
HS Code: 2817.00
GHS Classification: Not classified as hazardous under normal conditions.
Safety Precautions: Avoid inhalation of dust. Use personal protective equipment (mask, gloves).
Shelf Life: 24 months from production date in unopened original packaging.
Regulatory: Complies with FCC (Food Chemicals Codex) and relevant EU food additive regulations for food grade.
For more information, please click on the website:https://www.khonorchem.com
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- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China

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