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.
- beauty
- industrial
Toluene sulfonic acid
CAS 70788-37-3
Also registered as 17 other CAS numbers
402-47-1 · 51506-29-7 · 100901-72-2 · 114213-96-6 · 119314-18-0 · 126033-27-0 · 128739-80-0 · 144647-92-7 · 156627-46-2 · 185568-48-3 · 210357-81-6 · 227313-49-7 · 369371-25-5 · 613262-31-0 · 1023356-14-0 · 2756222-57-6 · 104-15-4
Concern score
Not assessed — no hazard data yet.
Toluene sulfonic acid in plain language
Also known as P-toluenesulfonic acid · 4-Methylbenzenesulfonic acid · 4-TOLUENESULFONIC acid · 4-Methylbenzene-1-sulfonic acid · ACTIVATOR-100T3 · AD-3302W
Show all 37 names
Benzenesulfonic acid, 4-METHYL- · C-250 · CYZAC-4040 · DRYER-900 · KC-1040 · NACURE-1040 · PTS-100 · TAYCATOX-300 · Tosic acid · TSA-95 · Acide toluene-4-sulfonique · Cyclophil P T S A · Eltesol tsx · Eltesol · K-Cure 1040 · Kyselina p-toluenesulfonova · Methylbenzenesulfonic acid · Manro PTSA 65 E · Manro PTSA 65 H · Manro PTSA 65 LS · Nacure 1040 · Toluene-4-sulfonic acid · Toluene-4-sulphonic acid · Tosylic acid · acido tolueno-4-sulfonico · p-Methylbenzenesulfonic acid · p-Methylphenylsulfonic acid · p-Toluenesulphonic acid · p-Tolylsulfonic acid · p-toluene sulfonic acid(toluene sulfonic acid) · toluenesulfonic acid
Used in cosmetics as a cleansing agent and a hydrotrope.
- Cleansing
- Hydrotrope
- Surfactant
- We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
Regulation
No restrictions found. Toluene sulfonic acid appears in these published regulatory listings.
- Found in consumer products
- Beauty
- Industrial
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 32 composition records across product categories including Laboratory supplies, Specialty occupational products, Raw materials. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Solubility enhancer, No specific technical function.
- EPA CPDat observed this chemical in 32 composition records across product categories including Laboratory supplies, Specialty occupational products, Raw materials. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Solubility enhancer, No specific technical function.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 Toluene sulfonic acid. 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 Toluene sulfonic acid 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 june 1, 2017
- 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
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
No signal in this context
Where it has been recorded
How often EPA CPDat has listed Toluene sulfonic acid in a product composition. These are source records, not Greenveil catalog products.
Source records
32
Named organisations
6
Laboratory suppliesSpecialty occupational productsRaw materialsIndustrial productsPersonal care
Typical roles
CleansingHydrotropeSurfactant