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.
Zinc sulfate heptahydrate
EPA CPDat observed this chemical in 49 composition records across product categories including Food and drug, Arts and crafts/office supplies, Laboratory supplies.
Research docs0Claims0Sources6FunctionDye • Flavouring and nutrientIdentifierDTXSID0040175
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 Zinc sulfate heptahydrate in our catalog (epa_cpdat).
Products
49
Brands
4
Food and drugArts and crafts/office suppliesLaboratory supplies
Typical roles
DyeFlavouring and nutrientprocess regulator
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 49 composition records across product categories including Food and drug, Arts and crafts/office supplies, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including process regulator, Flavouring and nutrient, Dye.
Effective: January 7, 2008View source →
US
FDA
FDA NDC lists this ingredient in 16 active drug products and 17 total products.
Effective: 2026-12-31View source →
US
FDA