Is Xylene Sulfonic Acid safe in cosmetics?
Xylene Sulfonic Acid has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted. This ingredient has been reviewed by CIR Safety Assessment.
Xylene Sulfonic Acid
Also known as: Benzenesulfonic acid, dimethyl-, Xylene-ar-sulfonic acid, Dimethylbenzenesulfonic acid, Taycatox 100, Taycatox 110 (+7 more)
INCI: XYLENE SULFONIC ACID
Xylene Sulfonic Acid (CAS 25321-41-9) is a cosmetic cosmetic ingredient functioning as Surfactant (Cleansing), Surfactant (Hydrotrope). EU Regulation 1223/2009 status: permitted; 2 safety opinions reviewed (CIR Safety Assessment). Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 25321-41-9 →
Function
Surfactant (Cleansing), Surfactant (Hydrotrope)
Editorial assessment
GOOD
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; CIR assessed as "safe as used when formulated to be nonirritating"
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Xylene Sulfonic Acid.
Calculate MoS for your specific formulation with the MoS Calculator.
Safety Opinions
Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).
CIR Safety Assessment
Verdict: unknown
NOAEL: 3000 mg/kg bw/d (oral)
CIR Safety Assessment
Verdict: unknown
NOAEL: 440 mg/kg bw/d (dermal)
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Catalyst
Solubility enhancer
Surfactant (surface active agent)
Regulatory List Membership (1)
FDA Indirect Food Contact Additives
Editorial summary
Preliminary editorial summary for Xylene Sulfonic Acid — not a computed safety verdict. See the sourced toxicological data above.
Known Synonyms
Benzenesulfonic acid, dimethyl-
Xylene-ar-sulfonic acid
Dimethylbenzenesulfonic acid
Taycatox 100
Taycatox 110
XSA 90
Acide xylenesulfonique
xylenesulphonic acid
Xylolsulfonsaure
acido xilenosulfonico
Acido bencensulfonico, dimetil-
EINECS 246-839-8
Chemical Function
Surfactant (surface active agent)
Solubility enhancer
Catalyst
Regulatory Lists
Indirect additives food contact (10/2018)
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Xylene Sulfonic Acid allowed in the EU?
Xylene Sulfonic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Xylene Sulfonic Acid do in cosmetics?
Xylene Sulfonic Acid functions as: Surfactant (Cleansing), Surfactant (Hydrotrope). It is classified as a cosmetic ingredient in our database. CAS number: 25321-41-9.
Compliance Tools
Check Xylene Sulfonic Acid compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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