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CAS NO 52-51-7

2-Bromo-2-nitropropane-1,3-diol is a highly effective antimicrobial agent widely used in industrial and personal care applications. This compound, often referred to by its common name bronopol, offers excellent stability and broad-spectrum activity against bacteria, fungi, and algae. It is particularly valued in the cosmetics, pharmaceuticals, and water treatment industries for its ability to preserve products and prevent microbial growth. Key features include its solubility in water and organic solvents, making it versatile for various formulations. For detailed information on this product, explore our 2-Bromo-2-nitropropane-1,3-diol page, where you can find comprehensive data and specifications tailored to your needs.


CAS NO 52-51-7 identifies the chemical compound known as 2-bromo-2-nitropropane-1,3-diol, which is synthesized through specific bromination and nitration processes. This substance is characterized by its white crystalline powder form and distinct chemical properties that ensure high efficacy as a biocide. Below are the detailed product parameters presented in both list and table formats for clarity and professional reference.

  • Molecular Formula: C3H6BrNO4
  • Molecular Weight: 200.99 g/mol
  • Appearance: White to off-white crystalline powder
  • Purity: ≥98.0% (by HPLC)
  • Melting Point: 130-133°C
  • Solubility: Soluble in water, ethanol, and acetone
  • Density: Approximately 1.6 g/cm³
  • pH (1% solution): 5.0-7.0
  • Storage Conditions: Keep in a cool, dry place away from light and moisture
  • Packaging: Available in 25 kg drums or customized packaging
Parameter Specification Test Method
Assay (HPLC) ≥98.0% USP
Loss on Drying ≤0.5% Karl Fischer
Residue on Ignition ≤0.1% Gravimetric
Heavy Metals (as Pb) ≤10 ppm ICP-MS
Microbial Limits Meets USP criteria Microbiological assay

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