Food use
Nothing to weigh for this context yet.
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.
- beauty
- cleaning
- food
- industrial
Sodium dithionite
CAS 1340-77-8
Also registered as 1 other CAS number
7775-14-6
Concern score
Not assessed — no hazard data yet.
Sodium dithionite in plain language
On cosmetic ingredient lists it appears as “Sodium hydrosulfite”.
Also known as Sodium hydrosulfite · disodium salt Dithionous acid · Disodium dithionite · Blankit · Blankit IN · Burmol
Show all 22 names
Cyclanon ARC · Disodium hydrosulfite · Dithionite de sodium · Dithionous acid disodium salt · Dithionous acid, sodium salt (1:2) · Hydros · Hydrosulfite R Conc · Sodium dithionite (Na2(S2O4)) · Sodium hydrosulfite (Na2S2O4) · Sodium hydrosulphite · Sodium sulfoxylate · V-Brite B · Vatrolite · sodium hydrosulfite (see msds #cknxy for health hazards) · sodium hydrosulfite (tech) · sodium hydrosulfite - as part of preservative
Used in cosmetics as a reducing agent and a thickener.
- Reducing
- Viscosity controlling
- Thickener
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Sodium dithionite appears in these published regulatory listings.
- Inactive ingredient in US drugs
- Found in consumer products
- Beauty
- Cleaning
- Pharma
- Food
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 63 composition records across product categories including Laboratory supplies, Specialty occupational products, Industrial products. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Reducing agent.
- EPA CPDat observed this chemical in 63 composition records across product categories including Laboratory supplies, Specialty occupational products, Industrial products. EPA CPDat classifies this chemical for functional uses including Viscosity modifier, Reducing agent.Source →
USFDAinactive ingredient databaseRoute: INTRAVENOUS; Dosage form: INJECTION; Potency: 1 mg
- Route: INTRAVENOUS; Dosage form: INJECTION; Potency: 1 mgSource →
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 Sodium dithionite. 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.
Evidence & sources
No graded research studies for Sodium dithionite yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
- Open →
CosIng
regulatory · updated 2026-09-23
- Open →
EPA Chemical and Products Database
exposure · updated November 2014
- Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
- Open →
FDA Inactive Ingredient Database
regulatory · updated 2026-01-09
- 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
Allergen profile
Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.
- SulphitesContains · Oral (ingested)
Source: chemindex_name_match
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Fragrance avoidance
Nothing to weigh for this context yet.
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 Sodium dithionite in a product composition. These are source records, not Greenveil catalog products.
Source records
63
Named organisations
2
Laboratory suppliesSpecialty occupational productsIndustrial productsRaw materialsFood and drugPersonal care
Typical roles
ReducingViscosity controllingThickener
Found in these products
Cosmetic and personal-care products that list Sodium dithionite are shown first. Their ingredient lists include Sodium dithionite; each product's own rating depends on its whole formula, so it is shown on the product page, not here.
