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.
METHYLENE BLUE ANHYDROUS
EPA CPDat observed this chemical in 48 composition records across product categories including Raw materials, Laboratory supplies, Specialty occupational products.
Research docs0Claims0Sources5FunctionDyeIdentifierDTXSID0023296
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 METHYLENE BLUE ANHYDROUS in our catalog (epa_cpdat).
Products
48
Brands
6
Raw materialsLaboratory suppliesSpecialty occupational productsPersonal careFood and drug
Typical roles
Dye
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Good fit
Fragrance avoidance
No fragrance-linked caution surfaced in the current profile.
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 48 composition records across product categories including Raw materials, Laboratory supplies, Specialty occupational products. EPA CPDat classifies this chemical for functional uses including Dye.
Effective: January 7, 2008View source →
US
FDA
openFDA substance registry classifies this ingredient as chemical.
Effective: 2026-05-24View source →