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Buyers must confirm the active ingredient ratio, which is typically 3:1 (CMIT to MIT). The concentration should be verified at 14% minimum via HPLC (High-Performance Liquid Chromatography). Additionally, check the pH value (usually 2.0 - 4.0) and the stability of the magnesium stabilizer system, as these factors directly impact the biocidal efficacy and shelf life in industrial applications.
This product is a broad-spectrum biocide widely used in industrial water treatment, paper and pulp manufacturing, and cooling tower systems. It is also a critical preservative in paints, coatings, and polymer emulsions. For B2B buyers, it is essential to ensure the grade matches the specific sensitivity of the end-use, such as formaldehyde-free requirements for eco-friendly coatings.
Suppliers must provide a valid SDS (Safety Data Sheet) compliant with GHS standards. For entry into the EU, REACH registration is mandatory. For the US market, ensure the product is EPA registered if used as a pesticide or antimicrobial. Furthermore, verify ISO 9001:2015 certification to ensure batch-to-batch consistency in chemical synthesis.
CMIT/MIT 14 is highly effective but sensitive to high pH (>9.0) and nucleophilic reagents like sulfides or secondary amines, which can deactivate the biocide. Buyers should request compatibility test reports or lab samples to conduct MIC (Minimum Inhibitory Concentration) tests within their specific formulation to prevent precipitation or loss of activity.
CMIT/MIT 14 is classified as a Class 8 Corrosive Substance (UN 3265). It requires UN-approved packaging (typically HDPE drums or IBC tanks) with strict labeling. Buyers must use freight forwarders experienced in DG (Dangerous Goods) and ensure the vessel accepts corrosive liquids. Always verify the Marine Pollutant status to avoid heavy fines during maritime transit.
Utilize secured payment terms and prioritize suppliers on Made-in-China.com who have undergone Audited Supplier verification. It is highly recommended to commission a pre-shipment inspection (PSI) by third parties like SGS or Intertek to verify the active content and drum integrity before the final balance is paid.
Price is often tied to the cost of raw materials (Isothiazolinone intermediates) and environmental regulation compliance costs in the manufacturing region. Negotiate based on annual volume commitments rather than spot buys to secure a 10-15% discount. Requesting FOB pricing allows you to better control the fluctuating costs of dangerous goods ocean freight.
Upon receipt, the product must be stored in a cool, ventilated warehouse away from direct sunlight and strong oxidizing agents. The storage temperature should ideally be below 40°C. Because it is corrosive, the storage area must have secondary containment (drip trays) to comply with local environmental safety regulations.
