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Broad-spectrum efficacy against bacteria, fungi, and algae in industrial water systems.
Stable performance across a wide pH range (pH 4–9) and tolerant to common water treatment chemicals.
Low-foaming formulation suitable for high-shear and recirculating cooling water applications.
Compatible with common corrosion inhibitors and scale control agents without compromising biocidal activity.
Non-oxidizing mode of action helps mitigate microbiologically influenced corrosion (MIC).
Cooling water systems in power generation and HVAC installations.
Process water circuits in chemical manufacturing and petrochemical refineries.
Recirculating water loops in paper & pulp mills and textile processing facilities.
Make-up water storage tanks and distribution networks requiring long-term microbial control.
| Chemical Type | Heterocyclic nitrogen compound (isothiazolinone derivative) |
| Product Form | Aqueous solution |
| Appearance | Pale yellow to amber clear liquid |
| Odor | Characteristic mild sulfurous odor |
| pH (1% aqueous solution) | 6.0 – 8.0 |
| Density (20°C) | 1.05 – 1.10 g/cm³ |
| Solubility in Water | Completely miscible |
| Primary Applications | Non-oxidizing biocide for industrial cooling and process water systems |
Q1: What is the primary mode of action of Nipacide BSM2?
A: Nipacide BSM2 is a broad-spectrum biocide based on benzisothiazolinone (BIT), which disrupts essential cellular functions in microorganisms—including membrane integrity and enzyme activity—leading to rapid microbial control in aqueous systems.
Q2: In which types of industrial formulations is Nipacide BSM2 commonly used?
A: It is widely applied in water-based industrial products such as metalworking fluids, latex paints, adhesives, construction chemicals, and cleaning concentrates—where long-term preservation against bacteria, yeasts, and molds is required.
Q3: Is Nipacide BSM2 compatible with common surfactants and thickeners?
A: Yes, Nipacide BSM2 demonstrates good compatibility with many nonionic and anionic surfactants, as well as typical rheology modifiers like associative thickeners and cellulose derivatives—though compatibility testing under actual formulation conditions is recommended.
Q4: How should Nipacide BSM2 be incorporated into a formulation?
A: It is typically added during the cool-down phase of manufacturing, after pH adjustment and in the presence of adequate mixing, to ensure uniform distribution and minimize potential degradation from high temperatures or strong oxidizers.
Q5: Does Nipacide BSM2 provide residual protection over time?
A: Yes, it offers persistent antimicrobial activity due to its stability in neutral to mildly alkaline aqueous environments, supporting extended shelf life and in-can preservation when formulated appropriately.
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E-mail: wangxingqiang@ericwchem.com
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