Food use
Food-use source coverage is present in the current record.
The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.
2-Methyl-3(2H)-isothiazolone
EPA CPDat observed this chemical in 9337 composition records across product categories including Construction and building materials, Laboratory supplies, Cleaning and safety.
Research docs0Claims0Sources5FunctionAntioxidant • BiocideIdentifierDTXSID2034259
Concern score
45/100Moderate concern based on regulatory listings.
Well researched
How we scored this
The concern value is driven by the published classifications and regulatory status below — not by a single signal.
Concern score 45/100 (moderate) · high confidence.
Where it appears
Prevalence of 2-Methyl-3(2H)-isothiazolone in our catalog (epa_cpdat).
Products
9,337
Brands
6
Construction and building materialsLaboratory suppliesCleaning and safetyRaw materialsHome maintenanceIndustrial products
Typical roles
AntioxidantBiocideFragrancePreservativeProcessing aids not otherwise specified
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Fragrance avoidance
Not a strong fit for fragrance avoidance because it carries Fragrance.
Linked research
Primary documents currently linked to this ingredient record.
No linked research documents are attached to this ingredient yet.
Extracted claims
Structured claim signals pulled from linked ingredient research.
No extracted claims are attached to this ingredient yet.
Regulatory status
Published jurisdiction-level classifications and regulatory designations for this ingredient.
US
EPA
EPA CPDat observed this chemical in 9337 composition records across product categories including Construction and building materials, Laboratory supplies, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Preservative, Antioxidant, Processing aids not otherwise specified.
Effective: september 6, 2012View source →
US
FDA
openFDA substance registry classifies this ingredient as chemical.
Effective: 2026-05-24View source →