The product is used to bleach sugar, as well as for construction and disinfection purposes.
Bromine and bromine water both bleach organic colouring matters.
The former kind of bleach-liquor is mostly used in the industry of cotton, the latter in that of linen.
If the chlorine and the sodiun hydrate can act upon each other within the liquid, bleach-liquors are formed: 2NaOH+ C12= NaOC1+NaC1+H 2 0.
This liquid is concentrated in vacuum pans to a specific gravity of 40° to 44° B., a small quantity of sodium bisulphite solution being added to bleach it, to prevent fermentation, and to inhibit browning.