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Tin Oxide (SnO2)-Powder

Tin Oxide (SnO2)-Powder

CAS: 18282-10-5
Molecular Formula: SnO2
Purity: 99.9 %-99.995 %
Products Code: TR500801UN
Specification Model: - 100 mesh.etc
EINECS No.: 242-159-0
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Tin Oxide (SnO2)-Powder introduce:

Characteristic

Tin(IV) oxide, also known as stannic oxide, is the inorganic compound with the formula SnO2. The mineral form of SnO2 is called cassiterite, and this is the main ore of tin. With many other names, this oxide of tin is an important material in tin chemistry. It is a colourless, diamagnetic, amphoteric solid.




Chemical formula:SnO2

Molar mass:150.708 g·mol−1

Appearance Yellowish or light grey powder

Odor:Odorless

Density:6.95 g/cm3 (20 °C)

                6.85 g/cm3 (24 °C)

Melting point:1,630 °C (2,970 °F; 1,900 K)

Boiling point:1,800–1,900 °C (3,270–3,450 °F; 2,070–2,170 K) Sublimes

Solubility in water:Insoluble

Solubility:Soluble in hot concentrated alkalis, concentrated acids, Insoluble in alcohol

Magnetic susceptibility (χ):−4.1·10−5 cm3/mol

Refractive index (nD):2.006

Crystal structure:Rutile tetragonal, tP6




Application

In the pigment industry, tin dioxide is mixed with chromate, chromium trioxide, lime, vanadium pentoxide, antimony pentoxide, chlorine, etc., to produce pink, beige, yellow, gray-blue, purple-gold and other colors, as a coloring agent for ceramics and enamel. In the glass industry, used in the manufacture of opal glass and as a glazing agent. Used as fabric mordant and weight increasing agent in printing and dyeing. Tin dioxide is also used as a raw material for the production of other tin compounds, as a catalyst for the oxidation of aromatic compounds as carboxylic acids and anhydrides in organic synthesis, and in the electronics industry.
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