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2-Bromo-2-nitropropane-1, 3-diol (Bronopol)

What is 2-Bromo-2-nitropropane-1 3-diol (Bronopol)?

2-Bromo-2-nitropropane-1,3-diol (Bronopol) is an organic compound that belongs to the family of nitro compounds. It is a white to off-white crystalline powder that is soluble in water and has a slightly bitter taste.

Bronopol is widely used as a preservative in various cosmetic and personal care products, such as shampoos, hair conditioners, body washes, and skin creams, to prevent the growth of bacteria and fungi. It works by releasing formaldehyde, which is toxic to microorganisms, in small amounts over time.

Bronopol has also been used as a biocide in industrial applications, such as cooling water systems, oil drilling fluids, and paper processing, to prevent microbial growth and contamination.

Bronopol has been approved for use as a preservative in cosmetic and personal care products by regulatory agencies such as the US FDA, but its use has been restricted in some countries due to concerns over its potential to release formaldehyde, which is a known carcinogen.

What is the chemical formula of 2-Bromo-2-nitropropane-1 3-diol (Bronopol)?

The chemical formula for 2-Bromo-2-nitropropane-1,3-diol (Bronopol) is C3H6BrNO4.

How is 2-Bromo-2-nitropropane-1 3-diol (Bronopol) used in hand soap or sanitizer?

2-Bromo-2-nitropropane-1,3-diol (Bronopol) is sometimes used as a preservative in hand soap or hand sanitizer formulations to prevent the growth of bacteria, yeast, and mold. It is effective at low concentrations and has a broad spectrum of activity, making it a popular choice in personal care products.

However, its use in these products has been somewhat limited due to concerns over its potential to release formaldehyde, which is a known carcinogen. In some countries, the concentration of Bronopol that is permitted in personal care products has been restricted, and some manufacturers have opted to use alternative preservatives.

It is important to note that the use of preservatives in personal care products is necessary to prevent the growth of harmful microorganisms that could cause infections or other health problems. However, the safety and efficacy of these ingredients should be carefully evaluated before they are used in formulations intended for use on the skin or mucous membranes.


This information was assembled from a wide variety of sources and no warranty, expressed or implied, relating to the accuracy of the information is made. The user assumes all liability for any damage or injury resulting from the use or misuse of this information.