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108500 Tantalum(V) oxide granules about 1-4 mm (Ta₂O₅) Patinal®


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Package Size

Product Number



1085001000 Plastic can 1 kg
1085000100 Plastic can 100 g

Product Information

Product Summary

Synonyms Tantalum penta oxide
CAS number 1314-61-0
EC number 215-238-2
Hill Formula O₅Ta₂
Chemical formula Ta₂O₅
Molar mass 441.89 g/mol
RTECS WW5855000

GHS Labeling (according to EU REGULATION (EC) No 1272/2008 (CLP))

Precautionary Statement P260: Do not breathe dust.

Handling & Storage Information

Storage Temperature Storage temperature: no restrictions.
Storage class 10 - 13 Other liquids and solids
WGK NWG not water endangering

Physicochemical Information

Melting point 1880 °C
Density 8.2 g/cm3 (20 °C)

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