Bronopol BP

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This product is Broad Spectrum Preservative. It is widely used in liquid preparation of any kind, like in Pharma syrup, anti bacterial and anti microbial properties or any formulation which includes water. When someone has to prepare paraben free product they have to use Bronopol in it.

Tests	Specifications
Description	White crystalline powder
Solubility	Freely soluble in Water and Ethanol(96%), slightly soluble in Glycerol and in liquid paraffin
Identification	A) By IR B) Reaction A of bromide C) Melting point 130⁰ C
Acidity or alkalinity	pH value of 1% w/v solution, 5.0 to 7.0
Water	Not more than 0.5% w/w
Related substances	i) 2-methyl-2-nitropropane-1,3-diol : 0.5% ii) Tris(hydroxyl methyl)nitro methane : 0.5% iii) Any other impurity : 0.1%
Sulphated ash	Not more than 0.1% w/w
Assay	Not less than 99.0% & not more than 101.0% of C3H6BrNO4 calculated with reff. to the dried substances.

Shelf life: 5 years
Storage: Keep container in a cool, well-ventilated area. Keep container tightly closed and sealed until ready for use. Avoid all possible sources of ignition (spark or flame). Hygroscopic