Excellent Active Ingredient

Bemotrizinol

Also known as: Phenol, 2,2'-(6-(4-methoxyphenyl)-1,3,5-triazine-2,4-diyl)bis(5-((2-ethylhexyl)oxy)-

INCI: BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE

Bemotrizinol (CAS 187393-00-6) is a cosmetic active ingredient functioning as Broad-spectrum oil-soluble organic UV filter with dual absorption peaks at. NOAEL 1000 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted, max 10%. 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 187393-00-6 →

Auto-generated CPSR Part A draft with source citations
Function
Broad-spectrum oil-soluble organic UV filter with dual absorption peaks at approximately 310 nm and 340 nm. Photostabilizer for avobenzone and other photolabile filters via triplet-state energy dissipation through S1→S0 internal conversion pathway. High molecular weight of 627 Da results in minimal skin penetration and surface-film behavior.
Safety Rating
EXCELLENT

Chemistry & Identifiers

EC Number
425-950-7

Regulatory Status

EU EU Status permitted
EU Max Conc. 10%
US US Status restricted
US Notes FDA Proposed Administrative Order OTC000039 (December 2025) proposes GRASE status at up to 6%. Initiated by DSM-Firmenich Tier 1 OMOR (September 2024). FDA noted low skin absorption and rare skin irritation. GRASE determination anticipated by March 2026. If finalized, would be the first new Category I UV filter added to the US monograph. Final order may follow in mid-to-late 2026 before market availability.

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Bemotrizinol.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Bemotrizinol across SCCS product categories, with measured dermal absorption where available.

EPA ToxValDB — Toxicity Values

10 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).

Endpoint Value Species Route Duration Source
LC50 >649 mg/m3 Rat inhalation - ECHA IUCLID
LD50 >2000 mg/kg Rat dermal acute ECHA IUCLID
LD50 >2000 mg/kg Rat dermal acute ECHA IUCLID
LD50 >2000 mg/kg Rat oral - ECHA IUCLID
LD50 >2000 mg/kg Rat oral - ECHA IUCLID
LEL =649 mg/m3 Rat inhalation - ECHA IUCLID
LEL ~0.075 mg/cm2-day Rat dermal chronic ECHA IUCLID
NOAEL >=1000 mg/kg-day Rat dermal - ECHA IUCLID
NOAEL >=1000 mg/kg-day Rat dermal - ECHA IUCLID
NOAEL >=1000 mg/kg-day Rabbit oral - ECHA IUCLID

Endocrine Disruptor Evidence (Expanded)

Cross-referenced EDC classifications, mechanism data, and dose-response evidence from EDLists, SIN List, and cosmetic-specific detail sources.

Cosmetic-Specific Mechanism
Category: UV filter
Receptor targets: none confirmed in standard assays
LOEC: N/A
EU status: allowed (max 10%)

no significant ER/AR activity

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex VI — Permitted UV Filters
Max: 10%

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

KR Korea MFDS Annex 2 (Restricted)
Category: UV Filter. Max: 10%.
SA Saudi SFDA (VI - UV Filters)
Max: 0.1.
JPKR Japan/Korea Cosmetics
Japan (Positive (UV Absorber)): max 3.0
Korea (Restricted): max 10%
BRIN Brazil/India Cosmetics
India: Permitted UV Filter · max 0.1
Additional Jurisdictional Restrictions (6)
Jurisdiction Status Max % Product Type
CN permitted_uv_filter 10 All cosmetics
IN permitted_uv_filter 10.0 sunscreen and other cosmetic products
IN permitted_uv_filter 10.0 sunscreen and other cosmetic products
GCC restricted 10.0 Sunscreen products
BR permitted_uv_filter 10 Sunscreen products
ASEAN permitted_uv_filter 10% -

Additional Ingredient Properties

2 property records from structured ingredient metadata.

anti_pollution
{"cas_number": "187393-00-6", "ingredient_class": "blue_light_filter/infrared_protection", "primary_mechanism": "film_forming_barrier", "pollution_types_targeted": "blue_light_HEV/UV_A/UV_B", "IR_A_protection": "no", "visible_light_protection": "no", "digital_screen_protection_claim": "no", "PAH_neutralization": "no", "ozone_protection": "no", "mitochondrial_protection": "no", "Nrf2_activation": "…
baby_pediatric
{"cas_number": "187393-00-6", "ingredient_class": "sunscreen_baby", "pediatric_safety_rating": "acceptable", "minimum_age_months": "12", "neonatal_safe": "no", "premature_infant_safe": "insufficient_data", "skin_barrier_maturity_consideration": "Tinosorb S - EU approved", "transepidermal_absorption_risk_pediatric": "low", "systemic_exposure_concern_pediatric": "low", "dose_per_kg_body_weight_conce…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Softener and conditioner UV stabilizer
Regulatory List Membership (2)
EU Regulated in Personal Care EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Bemotrizinol.

Regulatory Flags

uv-filter broad-spectrum uva-uvb photostable high-mw surface-film eu-approved fda-proposed-grase-dec-2025 grase-anticipated-march-2026 avobenzone-stabilizer triplet-quencher oil-soluble reef-friendly no-endocrine-activity 627-da eu_cosing_listed

Known Synonyms

Phenol, 2,2'-(6-(4-methoxyphenyl)-1,3,5-triazine-2,4-diyl)bis(5-((2-ethylhexyl)oxy)-

Chemical Function

UV stabilizer Softener and conditioner

Regulatory Lists

Europe; Personal care pharmaceutical Canada; pharmaceutical

Australian Status

AICIS status: listed_with_terms

Specific information requirements: Obligations to provide information apply. These obligations are: 1. If the assessment report about the chemical recommends secondary notification of the chemical in particular circumstances and any of the circumstances occur in relation to the introduction (importation or manufacture) of the chemical by a person, then the...

Frequently Asked Questions

Is Bemotrizinol safe in cosmetics?

Bemotrizinol has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: restricted.

Is Bemotrizinol allowed in the EU?

Bemotrizinol EU regulatory status: permitted. Maximum allowed concentration: 10%. This is based on EU Regulation 1223/2009 and its amendments.

What does Bemotrizinol do in cosmetics?

Bemotrizinol functions as: Broad-spectrum oil-soluble organic UV filter with dual absorption peaks at approximately 310 nm and 340 nm. Photostabilizer for avobenzone and other photolabile filters via triplet-state energy dissipation through S1→S0 internal conversion pathway. High molecular weight of 627 Da results in minimal skin penetration and surface-film behavior.. It is classified as a Active Ingredient in our database. CAS number: 187393-00-6.

Is Bemotrizinol used outside cosmetics?

Bemotrizinol also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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