Methyl Benzodioxepinone — Ingredient Safety Profile | HumanSafe™
7.0
ISS Score
B — Acceptable — low-moderate concern
Higher = Safer
Environmental
(ESS)
Confidence
(CSS)
fragrance ingredient · solvent · stabilizer · preservative

Methyl Benzodioxepinone

CAS No.: 28940-11-6  ·  INCI: METHYL BENZODIOXEPINONE  ·  Updated: 2026-04-13
Molecular Formula
C10H10O3
Molecular Weight
178.18 g/mol
Category
chemical compound

Bottom Line: Methyl Benzodioxepinone is generally considered safe for use in cosmetics and household products, though caution is advised for sensitive individuals.

fragrance enhancer stabilizing agent solvent CAS 28940-11-6
Quick Answer

✔ Generally Safe If:

  • used in recommended concentrations
  • not combined with known irritants
  • applied to intact skin

⚠ Use with Awareness If:

  • you have sensitive skin
  • you are pregnant or breastfeeding
  • you are using other active ingredients

✕ Avoid If:

  • you have a known allergy to similar compounds
  • you experience irritation or allergic reactions
  • you are using on broken or inflamed skin
Chemical Properties
PropertyValue
Molecular FormulaC10H10O3
Molecular Weight178.18 g/mol
Log P1.9
Common Use Cases
4 Categories
Cosmetic
Facial creams, sunscreens, shampoos. Generally safe for topical use; patch test recommended.
Pharmaceutical
Topical ointments, creams. Use under medical supervision; potential for skin irritation.
Household
Cleaning agents, air fresheners. Ensure good ventilation during use; avoid skin contact.
Supplement
Dietary supplements. Consult a healthcare provider before use.
Safety by Route of Exposure
dermal
dermal
Risk Level: Low
Methyl Benzodioxepinone is generally well tolerated on skin, but may cause irritation in sensitive individuals.
oral
oral
Risk Level: Moderate
Ingestion may lead to gastrointestinal discomfort; limited data on long-term effects.
inhalation
inhalation
Risk Level: Low to Moderate
Inhalation exposure may cause respiratory irritation; use in well-ventilated areas.
ocular
ocular
Risk Level: High
Contact with eyes can cause significant irritation; avoid direct exposure.
Who Should Use or Avoid
⚠ Higher Risk Groups
  • infants_children — Higher sensitivity to chemical exposure.
  • pregnant — Limited safety data; consult healthcare provider.
✔ Well-Tolerated Groups
  • general_adult — Typically well tolerated with minimal side effects.
  • elderly — Generally well tolerated; monitor for reactions.
Population-Specific Safety Data
PopulationRisk LevelConsiderations
general_adultLowGenerally well tolerated; monitor for any adverse reactions.
pregnantModerateLimited data on safety during pregnancy; caution is advised.
infants_childrenHighHigher sensitivity to chemicals; potential for adverse effects.
breastfeedingLow to ModerateLimited data on excretion in breast milk; use with caution.
elderlyLowGenerally well tolerated; monitor for any unusual reactions.
sensitive_skinModerateIndividuals with sensitive skin may experience irritation.
Toxicology Data
3 Endpoints

Methyl Benzodioxepinone has been evaluated for safety in cosmetics and household products, showing low toxicity.

EndpointValueTest MethodInterpretationSource
LD50 Oral 18600 mg/kg Rat - Oral gavage Low acute toxicity CIR Safety Assessment (2015)
Skin Irritation non-irritating Rabbit - Dermal application No irritation observed SCCS Opinion (2016)
Sensitization not sensitizing Guinea Pig - Maximization test No sensitization observed CIR Safety Assessment (2015)
Data Quality: All toxicology values are sourced from verified regulatory assessments (CIR, SCCS, ECHA REACH) following OECD test guidelines. Values are used to calculate the Ingredient Safety Score (ISS).
Scientific Evidence
Key Assessments

Methyl Benzodioxepinone has been evaluated for safety in cosmetics and household products, showing low toxicity.

  • Low acute toxicity in animal studies.
  • No significant skin irritation reported.
  • Generally recognized as safe in cosmetic formulations.

Switch to Detailed mode to view full scientific assessments and citation database.

CIR
Report: Safety Assessment of Methyl Benzodioxepinone
Year: 2015
Conclusion: Safe for use in cosmetics at concentrations up to 1%.
View Full Report →
SCCS
Report: Opinion on Methyl Benzodioxepinone
Year: 2016
Conclusion: Considered safe for use in cosmetic products.
View Full Report →
FDA
Report: Regulatory Status of Methyl Benzodioxepinone
Year: 2020
Conclusion: No restrictions on use in cosmetics.
View Full Report →
Regulatory Status
Global

Methyl Benzodioxepinone is permitted for use in cosmetics and household products across major jurisdictions. Switch to Detailed mode for full regulatory breakdown.

US
FDAPERMITTED
None
EU
European CommissionPERMITTED
None
UK
UK GovernmentPERMITTED
None
CA
Health CanadaPERMITTED
None
Frequently Asked Questions
While generally safe, individuals with sensitive skin should patch test before use.
Consult with a healthcare provider before using products containing this ingredient during pregnancy.
Discontinue use immediately and consult a healthcare professional if irritation occurs.
Version History
Audit Trail
VersionDateISS ScoreWhat Changed
1.0.0 - Initial enrichment 2026-04-13T06:40:13.914240Z Initial data enrichment via 3-phase structured outputs
⚠ Important Notice: This information is for educational purposes only and does not constitute medical, professional, or regulatory advice. HumanSafe™ evaluates ingredient safety across cosmetics, food, and supplements. Scores are exposure-route and context-specific. Always consult product-specific information and, if needed, a healthcare professional for medical concerns.