Mergal® 174II

Mergal® 174II by Troy Corporation is a preservative designed for use in aqueous products which are subject to bacterial deterioration. Mergal® 174II is used as an in-can preservative in paints, stucco/masonry coatings, EIFS coatings and other coating products where water is a component.

Overview

Mergal® 174II is a powerful, broad-spectrum, formaldehyde-free in-can preservative developed by Arxada (formerly Troy Corporation). It is based on benzisothiazolinone (BIT), known for its long-lasting antimicrobial performance and regulatory compliance across global markets. Specifically designed for aqueous formulations such as paints, adhesives, and polymer emulsions, Mergal® 174II offers protection against bacterial and fungal contamination throughout storage and application. Its excellent chemical stability, low odor, and high compatibility with diverse formulation ingredients make it a reliable solution for formulators seeking eco-conscious and effective preservation.

Benefits

  • Formaldehyde-Free – Safe for modern formulations and eco-labeled products

  • Long-Term Microbial Protection – Resists bacteria, mold, and yeast

  • pH Versatility – Remains stable and active between pH 4 and 12

  • Low VOC & Odor – Ideal for low-emission and odor-sensitive formulations

  • Globally Approved – Complies with major regulatory and environmental standards

  • Highly Compatible – Blends well with thickeners, surfactants, emulsifiers, and pigments

Applications

  • Water-Based Paints & Coatings – Provides microbial control for emulsion paints, interior/exterior coatings

  • Polymer Emulsions – Suitable for PVAc, styrene-acrylic, and acrylic dispersions

  • Adhesives & Glues – Prevents spoilage in water-based bonding systems

  • Construction Chemicals – Effective in grouts, admixtures, sealants, and joint compounds

  • Printing Inks – Stabilizes water-based ink formulations during shelf life

  • Detergents & Cleaners – Preserves household and industrial aqueous cleaning products

Properties Table

PropertyDetails
Product NameMergal® 174II
ManufacturerArxada (formerly Troy Corporation)
Chemical TypeIn-can preservative
Active IngredientBenzisothiazolinone (BIT)
Physical FormLiquid
AppearanceClear to slightly yellowish liquid
OdorLow characteristic odor
pH (as supplied)~9.0 – 10.5
SolubilityCompletely soluble in water
Density @ 20 °C~1.02 – 1.04 g/cm³
Flash Point>100 °C
Recommended Use Level0.05% – 0.2% depending on application
pH Stability Range4 – 12
Shelf Life18 months in original sealed containers
Packaging Options25 kg pail, 200 kg drum, 1000 kg IBC

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