2-Bromo-2-Nitro-1, 3-Propanediol, Bronopol, BNP

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Biocides

2-Bromo-2-Nitro-1, 3-Propanediol (Bronopol)

CAS No.:  52-51-7                                       Molecular Formula: C3H6BrNO4

Molecular Weight: 199.99

Structural Formula:

Property:

Appearance - 2-Bromo-2-Nitro-1, 3-Propanediol (Bronopol) is supplied as crystals or crystalline powder, which may vary from white to pale yellow in colour depending on the grade of material being offered.

Melting Point - As a pure material, Bronopol has a melting point of about 130º C. However due to its polymorphic characteristics, Bronopol undergoes a lattice rearrangement at 100 to 105º C and this can often be wrongly interpreted as the melting point.

At temperatures above 140 C 2-Bromo-2-Nitro-1, 3-Propanediol (Bronopol) will decompose exothermically releasing Hydrogen bromide and oxides of Nitrogen.

Solubility - 2-Bromo-2-Nitro-1, 3-Propanediol (Bronopol) is readily soluble in water although the dissolution process is endothermic. Solutions containing up to 28% w/v are possible at ambient temperature.

2-Bromo-2-Nitro-1, 3-Propanediol (Bronopol) is poorly soluble in non-polar solvents but shows a high affinity for polar organic solvents.

Specification:

Item Index
Characteristics White or almost white crystalline powder
Identification  Ir Positive
Melting Point 123-131℃
Acidity(1%W/V) pH 5.0-7.0
Related Substances  GC
Loss On Drying 0.5%max
Sulphated Ash 0.1%min
Granular 20mesh: 90% Pass,10mesh: 95% Pass,
Assay 99.0% - 101.0%

Other specs the same as BP2000

Usage:

As bactericide, Bronopol is widely used in industrial circulating water, algae-killing, paper pulp, paint, plastic, timber-cooling circulating water and other industries. In addition, Bronopol can be used to prevent daily-used cosmetic products from moldly and corrosion.

Package and Storage:

Packed by paper drum( 25KG/50KG) or as per customer requirement

Store Bronopol in cool, dry and ventilative places. Keep away from incompatible substance. It can not be stored together with food and feedstuff.

Keywords:

2-Bromo-2-Nitro-1, 3-Propanediol, Bronopol, BNP