Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow UCARCIDE 250 Fungicide

Dow UCARCIDE 250 Fungicide is a broad-spectrum biocide from Dow’s UCARCIDE series, featuring isothiazolinone chemistry for effective microbial control in industrial water systems, coatings, and adhesives. It prevents bacterial, fungal, and algal growth with low-dose efficacy, excellent stability, and compatibility across diverse formulations—ideal for preservation and system maintenance.
  • dow ucarcide 250 fungicide_8a028ecb
  • dow ucarcide 250 fungicide_8a028ecb

Features Of Dow UCARCIDE 250 Fungicide

  1. Broad-spectrum fungicidal activity against key spoilage microorganisms including bacteria, yeasts, and molds.

  2. Stable across a wide pH range (pH 2–12), ensuring compatibility with diverse industrial formulations.

  3. Low volatility and non-volatile active ingredient profile, supporting safe handling in enclosed process environments.

  4. Excellent water solubility and formulation stability, enabling uniform dispersion in aqueous systems.

  5. Regulatory support for use in multiple global markets, including EPA registration and EU Biocidal Products Regulation (BPR) compliance.

Typical Applications Of Dow UCARCIDE 250 Fungicide

  1. Preservation of water-based paints and coatings during storage and application.

  2. Microbial control in architectural and industrial adhesives and sealants.

  3. Protection of construction chemicals such as grouts, mortars, and cementitious slurries.

  4. Stabilization of metalworking fluids to prevent microbial degradation and associated odor or corrosion issues.

  5. Preservation of specialty cleaning solutions and industrial detergents.

Specifications Of Dow UCARCIDE 250 Fungicide

Chemical TypeIsothiazolinone-based biocide (mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one)
Product FormAqueous solution
AppearanceClear, pale yellow liquid
pH (1% aqueous solution)2.0 – 4.0
Density (20°C)1.02 – 1.06 g/cm³
SolubilityCompletely miscible with water
Primary ApplicationsIndustrial preservation of water-based formulations
Key FeaturesBroad-spectrum efficacy, low usage concentration, thermal and hydrolytic stability


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