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Zinc sulfate

CAS 7733-02-0

Also registered as 3 other CAS numbers

131315-46-3 · 139939-71-2 · 873788-00-2

Zinc sulfate chemical structure

Concern score

Not assessed — no hazard data yet.

Zinc sulfate in plain language

What it is

Also known as Zinc sulfate anhydrous · Sulfuric acid, zinc salt (1:1) · Zinc sulfate (anhydrous) · Zinc sulphate anhydrous · Biolectra Zink · Bonazen

Show all 36 names

Bufopto Zinc Sulfate · Complexonat · Honny Fresh 10P · Kreatol · Medizinc · Neozin · Optised · Optraex · Orazinc · Solvezinc · Solvezink · Visine-ac · White copperas · White vitriol · Zinc sulfate (1:1) · Zinc sulphate · Zincate · Zinci Sulfas · Zincomed · Zinklet · Zinkosite · ZnSO4 · zinc sulfate (1:1) (sara iii). (pel & tlv given as zno) · zinc sulfate (1:1) (sara 313) (cercla) · zinc sulfate (1:1) (sara iii) · zinc sulfate (sara 313) (cercla) · zinc sulfate (sara 313) (cercla). % zinc: <5. · zinc sulfate (sara iii) · zinc sulfate (znso4) · zinc(II) sulfate

What it does

Used in consumer products as a thickener, a conditioner and an astringent.

  • Thickener
  • Conditioner
  • Astringent
  • Oral care
  • Antimicrobial
  • Anti-caking agent
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Zinc sulfate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Pharma
  • Food
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 231 composition records across product categories including Landscape/yard, Cleaning products and household care, Arts and crafts/office supplies. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Biocide, Astringent.
    • EPA CPDat observed this chemical in 231 composition records across product categories including Landscape/yard, Cleaning products and household care, Arts and crafts/office supplies. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Biocide, Astringent.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Zinc sulfate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    No JECFA evaluation on file.

  • EFSA

    European Food Safety Authority

    No EFSA opinion on file.

Evidence & sources

No graded research studies for Zinc sulfate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated September 2018

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Zinc sulfate in a product composition. These are source records, not Greenveil catalog products.

Source records

231

Named organisations

6

Landscape/yardCleaning products and household careArts and crafts/office suppliesLaboratory suppliesPesticidesFood and drug

Typical roles

ThickenerConditionerAstringentOral careAntimicrobialAnti-caking agent
See products using Zinc sulfate →

Catalog

Found in these products

Their ingredient lists include Zinc sulfate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Zinc sulfate in the catalog.