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TIN (IV) OXIDE, 99.9% pure, -325 mesh, < 1 micron average, (Stannic Oxide), SnO2


Tin(iv) oxide appears as white or off-white crystalline solid or powder. mp: 1127°C, Sublimes: 1800-1900°C, density: 6.95 g/cm3 Insoluble in water. Soluble in concentrated sulfuric acid, hydrochloric acid. Occurs in nature as the mineral cassiterite. Used as a catalyst, in putty, as a polishing powder for steel and glass, in ceramic glazes and colors. "Flowers of tin" refers to the material collected as the result of condensation after sublimation.
Tin(IV) oxide
Tin dioxide
Stannic oxide
Flowers of tin
Stannic dioxide
Tin oxide (SnO2)
Tin Peroxide
Molecular Weight
Insoluble (NIOSH, 2016)
Boiling Point
Decomposes (NIOSH, 2016)
Melting Point
2966 °F (Decomposes) (NIOSH, 2016)
6.95 (NIOSH, 2016)

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Research Orders

2.5 KG - $532.00
10 KG - $1,349.00

Bulk Orders

50 KG
$67.60 | KG
250 KG
$62.20 | KG
1000 KG
$57.30 | KG

For quantities outside our pricing schedule - please request a quote.

There is a minimum order requirement of $500.00 for products purchased. Any order that is placed below $500.00 will be subject to an order processing fee to reach that $500.00 minimum order value. Packaging, freight, and/or hazard fees are not included in the $500.00 minimum.