Specialty Additives Available to Source

Kathon CG Preservative

CAS 55965-84-9 · MF C8H9ClN2O2S2 · MW 264.8 g/mol

A preservative blend effective against bacteria, molds, and yeasts in personal care products.

SDS / TDS Download
CAS Number
55965-84-9
Molecular Formula
C8H9ClN2O2S2
Molecular Weight
264.8 g/mol
Material Family
Specialty Additives
Functional Roles
GHS / SDS Safety Danger
Environmental Hazard Irritant Acute Toxic Corrosive
  • H301: Toxic if swallowed [Danger Acute toxicity, oral]
  • H311 (85.4%): Toxic in contact with skin [Danger Acute toxicity, dermal]
  • H332 (100%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H411 (100%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
  • H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H410: Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
  • H410 (100%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
  • H330: Fatal if inhaled [Danger Acute toxicity, inhalation]
  • H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]
  • H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H311 (76.6%): Toxic in contact with skin [Danger Acute toxicity, dermal]
  • H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H301 (99.8%): Toxic if swallowed [Danger Acute toxicity, oral]
  • H310: Fatal in contact with skin [Danger Acute toxicity, dermal]
  • H331 (85.4%): Toxic if inhaled [Danger Acute toxicity, inhalation]
  • H317 (99.8%): May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H400 (99.8%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H318 (35.7%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H330 (24.8%): Fatal if inhaled [Danger Acute toxicity, inhalation]
  • H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H330 (14.6%): Fatal if inhaled [Danger Acute toxicity, inhalation]
  • H310 (14.6%): Fatal in contact with skin [Danger Acute toxicity, dermal]
  • H314 (99.8%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H310 (23.3%): Fatal in contact with skin [Danger Acute toxicity, dermal]
  • H318 (14.8%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H331 (75.9%): Toxic if inhaled [Danger Acute toxicity, inhalation]
  • H410 (99.5%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
Chemical Identity
CAS Number55965-84-9
IUPAC Name5-chloro-2-methyl-1,2-thiazol-3-one;2-methyl-1,2-thiazol-3-one
InChI KeyQYYMDNHUJFIDDQ-UHFFFAOYSA-N
PubChem CID 41679
Synonyms & Trade Names
Kathon 886 Kathon LX 15O9QS218W 3(2H)-Isothiazolone, 5-chloro-2-methyl-, mixt. with 2-methyl-3(2H)-isothiazolone Kathon 886 biocide MBC-215 RefChem:151011 Kathon Kathon biocide Kathon CG Kathon 886MW Zonen F ProClin 300 C8H9ClN2O2S2 5-chloro-2-methyl-1,2-thiazol-3-one;2-methyl-1,2-thiazol-3-one
Full Description

A preservative blend effective against bacteria, molds, and yeasts in personal care products.