Sunday, August 9, 2009

Hydrobromic acid

Specification: T C specification.

Description: A clear liquid, colourless to pale yellow when packed and may turn yellow to brown with time.

Properties and storage: Hydrobromic acid is a concentrated solution of hydrogen bromide gas in water. Solution with strengths higher than about 48 per cent fume freely when exposed to the atmosphere.

These fumes are extremely corrosive and an irritant to the mucous membrane. A solution of less than 48 per cent is usually easier to handle and store. Hydrobromic acid is sensitive to light, which slowly decomposes it and imparts to it a reddish-brown colour.

Uses: Concentrated hydrobromic acid is used principally in the preparation of certain organic chemicals and vitamin A.

Packing: 40- to 55-kg HDPE container.

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