Is Benzalphthalide safe in cosmetics?
Benzalphthalide has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Benzalphthalide
Also known as: 3-Benzylidene-2-benzofuran-1(3H)-one, 1(3H)-Isobenzofuranone, 3-(phenylmethylene)-, 3-(Phenylmethylene)-1(3H)-isobenzofuranone, 3-Benzalphthalide, Benzylidenephthalide (+7 more)
INCI: BENZALPHTHALIDE
Benzalphthalide (CAS 575-61-1) is a cosmetic cosmetic ingredient functioning as UV absorber. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 575-61-1 →
Auto-generated CPSR Part A draft with source citations
Function
UV absorber
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
3-benzylidene-2-benzofuran-1-one
InChIKey
YRTPZXMEBGTPLM-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Allowed as a cosmetic ingredient; however, not listed among the FDA-approved OTC sunscreen actives
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Benzalphthalide.
Calculate MoS for your specific formulation with the MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Intermediate
Tonnage Band
Intermediate use only
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
UV stabilizer
Expert Verdict
Expert safety assessment and concern-level summary for Benzalphthalide.
Known Synonyms
3-Benzylidene-2-benzofuran-1(3H)-one
1(3H)-Isobenzofuranone, 3-(phenylmethylene)-
3-(Phenylmethylene)-1(3H)-isobenzofuranone
3-Benzalphthalide
Benzylidenephthalide
EC 209-388-8
Escalol 547
NSC 2824
UNII-N2S40871LM
Phthalide, 3-benzylidene-
AI3-17979
BRN 0083797
Chemical Function
UV stabilizer
Frequently Asked Questions
Is Benzalphthalide allowed in the EU?
Benzalphthalide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Benzalphthalide do in cosmetics?
Benzalphthalide functions as: UV absorber. It is classified as a cosmetic ingredient in our database. CAS number: 575-61-1.
Is Benzalphthalide used outside cosmetics?
Benzalphthalide also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Benzalphthalide 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
Compare limits across jurisdictions
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