SUNCHEM

5-Chloride-2-Methyl-4-Isothiazoline-3-Ketone

5-Chloro-2-methyl-4-isothiazoline-3-one (CMIT/MCI) is the active biocide component in the widely used Kathon™-type preservative systems, providing broad-spectrum antimicrobial activity at very low concentrations. It is used in combination with MIT (methylisothiazolinone) as a cost-effective preservative in industrial water treatment, paints, and personal care products. SUNCHEM supports…

26172-55-4
  • Lot COA with every shipment
  • Samples for your trials
  • Technical support for your trial

Product overview & key benefits

5-Chloro-2-methyl-4-isothiazoline-3-one (CMIT/MCI) is the active biocide component in the widely used Kathon™-type preservative systems, providing broad-spectrum antimicrobial activity at very low concentrations. It is used in combination with MIT (methylisothiazolinone) as a cost-effective preservative in industrial water treatment, paints, and personal care products. SUNCHEM supports international buyers with 5-Chloride-2-Methyl-4-Isothiazoline-3-Ketone sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Technical specifications

PropertyReference value
Density1.51 g/cm3
Boiling Point200.2 °C at 760 mmHg
Flash Point74.9 °C
AppearanceClear to yellow liquid
Risk Codes34-43-50-20/21/22-50/53-23/24/25
Safety26-36/37/39-45-60-61-24-28
Transport Information:UN 1760 8/PG 2

Existing product reference data. Confirm the specification of the offered grade before ordering.

Applications

Broad-spectrum biocide in water-based paints
Industrial water treatment preservative
Personal care and cosmetic preservative
Adhesive and sealant antimicrobial additive
Paper and pulp mill biocide
Cooling water system microbiological control
Detergent and cleaning product preservation

From first email to approved supply

01

Send your RFQ

Share your application, quantity, destination and current grade.

02

Review the documents

Review the producer TDS, a recent COA and SDS with the quotation.

03

Trial a sample

Run your own tests against your current grade.

04

Lock the spec

Put approved lot limits into the contract and check every COA against them.

Tell us your requirement. We match the grade.

Share your application, required quantity and destination.

Email david@sunchemgroup.com

Discuss your 5-Chloride-2-Methyl-4-Isothiazoline-3-Ketone requirements

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