Methylchloroisothiazolinone and Methylisothiazolinone
✓ EU AllowedIdentification
CAS Number 55965-84-9
Formula C8H9ClN2O2S2
Mol. Weight 264.8 g/mol
Function & Classification
Primary Function Preservative
Secondary Functions Antimicrobial
Category Preservatives
Manufacturer Kale Kimya
EU Regulatory Status
Safety Profile
Skin Type Compatibility
Fungal Acne Safe ✓ Safe
Toxicology Profile
Sensitization sensitizing
Skin Irritation (Draize) severe_irritant
Eye Irritation (Draize) severe_irritant
Formulation Guidelines
pH Stability 8.5 – ?
Solubility in all proportions (20 °C)
Benefits Effective over a broad range of microorganisms; No color or odor imparted to personal care products; Global approvals for use as a preservative in rinse-off personal care formulations
Suppliers & Documents
Kale Kimya 🇹🇷 Turkey
Documents