Aluminum Nitrate Supplier in South Africa

What Is Aluminum Nitrate?

Aluminum nitrate nonahydrate Al(NO₃)₃·9H₂O is a white crystalline salt that decomposes on heating to release nitrogen oxides and produce aluminium oxide. It is highly hygroscopic and readily soluble in water and alcohols. As an aluminium source and mild oxidant, it plays roles in chemical synthesis, catalyst preparation, leather tanning, and various specialty industrial applications.

Chemical Synthesis & Catalyst Preparation

Aluminum nitrate is used as a precursor for the synthesis of aluminium oxide (Al₂O₃) catalysts and catalyst supports via thermal decomposition or co-precipitation routes. High-surface-area alumina supports derived from aluminum nitrate are critical in the manufacture of automotive catalytic converters, refinery hydroprocessing catalysts, and specialty catalysts for the chemical industry.

Leather Tanning & Textile Uses

In the leather industry, aluminum nitrate is used as an aluminium-based tanning agent for producing white, lightweight leathers used in glove making, book binding, and surgical applications. Alum tanning (using aluminium salts) predates chrome tanning and remains important for white and natural-coloured leathers. Aluminum nitrate also serves as a mordant in textile dyeing to fix certain dyes to natural fibres.

Nuclear & Specialty Glass Applications

High-purity aluminum nitrate solution is used in nuclear fuel reprocessing as an aluminium source in the PUREX process to complex nitric acid impurities. It is also used in the manufacture of specialty glasses with specific optical properties and in the preparation of aluminium nitrate solutions for anodising and metal surface treatment processes.