CAS: 1314-13-2 experimental technical parameters

**Zinc Oxide (ZnO)** Also known as: Philosopher's Wool, Chinese White, CIPigment White 4, CI 77947. Other common names include zinc oxide powder, zinc white, and white lead powder. **CAS Number:** 1314-13-2 **Molecular Weight:** 81.38 g/mol **Purity Level:** AR Grade **Content:** ≥ 99.0% **Impurities Limits:** - Manganese (Mn): ≤ 0.0005% - Iron (Fe): ≤ 0.0005% - Arsenic (As): ≤ 0.00005% - Lead (Pb): ≤ 0.005% - Ammonium Sulfide Test: Non-precipitate (as sulfate) ≤ 0.10% - Free Base: Qualified - Reduction with Potassium Permanganate (in terms of O): ≤ 0.002% - Insoluble Matter in Dilute Solution: ≤ 0.01% - Chloride (Cl⁻): ≤ 0.001% - Sulfur Compounds: ≤ 0.01% - Nitrate (NO₃⁻): ≤ 0.003% **Appearance:** White or light yellow powder, or hexagonal crystal. Odorless, with a bitter taste. Sublimes under normal pressure. It can absorb carbon dioxide from the air. When heated to 300°C, it turns yellow, but returns to white upon cooling. **Solubility:** - Soluble in dilute acetic acid, mineral acids, ammonia, ammonium carbonate, and alkali hydroxides. - Practically insoluble in water. **Physical Properties:** - Relative Density: 5.67 (hexagonal crystal), (d204) 5.670 - Melting Point: ≥ 1800°C - Refractive Index (nD): 2.0041 (2.0203) **Applications:** - Used in biochemical research. - Reference material for disodium edetate calibration. - Precipitates easily hydrolyzed elements like iron, chromium, vanadium, titanium, and zirconium during redox measurements of manganese. - Acts as a hydrogen sulfide absorber. - Pigment. - Semiconductor material. **Storage:** Store at room temperature. This product is ideal for laboratories requiring high-purity zinc oxide for analytical, industrial, and research purposes. Its versatility makes it a valuable component in various scientific and industrial applications.

Lifting Column

This table lift has two step and is very popular for height adjustable desks, tables, and can be used as a TV Lift. The set includes 2 lifting columns, 1 control box to control both lifting columns and 1 remote.

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