7.0
ISS Score
A- — Good — low to minimal hazard
↑ Higher = Safer
Environmental
(ESS)
(ESS)
—
Confidence
(CSS)
(CSS)
—
fragrance · solvent · fixative
Decahydro-Trimethyl-Beta-Naphthyl Acetate
Molecular Formula
C15H26O2
Molecular Weight
238.37 g/mol
Category
fragrance ingredient
Bottom Line: Decahydro-Trimethyl-Beta-Naphthyl Acetate is generally considered safe in cosmetics and household products, though caution is advised for sensitive individuals.
Quick Answer
✔ Generally Safe If:
- used in low concentrations
- properly formulated in products
- not applied to broken skin
⚠ Use with Awareness If:
- you have sensitive skin
- you are pregnant or nursing
- you are using multiple fragrance products
✕ Avoid If:
- you have known allergies to fragrance ingredients
- you experience irritation or allergic reactions
- you are using on children without testing
Chemical Properties
| Property | Value |
|---|---|
| Molecular Formula | C15H26O2 |
| Molecular Weight | 238.37 g/mol |
| Log P | 4.5 |
Common Use Cases
5 Categories
Cosmetic
Perfumes, lotions, shampoos. Generally safe in cosmetics when used as directed.
Food
Flavoring agents, food additives. Use in food is regulated; ensure compliance with local laws.
Pharmaceutical
Topical creams, ointments. Use in pharmaceuticals should follow strict guidelines.
Household
Cleaning products, air fresheners. Safe for household use in recommended concentrations.
Supplement
Dietary supplements. Limited use in supplements; consult a healthcare provider.
Safety by Route of Exposure
dermal
dermal
Risk Level: Low
Dermal exposure to Decahydro-Trimethyl-Beta-Naphthyl Acetate is generally low risk for skin contact.
oral
oral
Risk Level: Moderate
Ingestion of this substance may pose moderate risks, particularly in large amounts.
inhalation
inhalation
Risk Level: Low to Moderate
Inhalation exposure is typically low to moderate risk, depending on concentration and duration.
ocular
ocular
Risk Level: High
Eye contact with this substance can cause significant irritation and should be avoided.
Who Should Use or Avoid
⚠ Higher Risk Groups
- infants_children — Children may experience higher sensitivity to chemical exposures.
✔ Well-Tolerated Groups
- general_adult — Typically well tolerated in healthy adults.
- elderly — Generally well tolerated but should be used with caution.
Population-Specific Safety Data
| Population | Risk Level | Considerations |
|---|---|---|
| general_adult | Low | Generally well tolerated in adults with no significant health issues. |
| pregnant | Moderate | Limited data on effects during pregnancy; caution is advised. |
| infants_children | High | Children may be more sensitive to chemical exposures. |
| breastfeeding | Low to Moderate | Limited data on transfer through breast milk; use with caution. |
| elderly | Low | Generally well tolerated but monitor for sensitivity. |
Toxicology Data
3 Endpoints
Decahydro-Trimethyl-Beta-Naphthyl Acetate has been evaluated for safety in cosmetics and food applications, showing low toxicity.
| Endpoint | Value | Test Method | Interpretation | Source |
|---|---|---|---|---|
| LD50 Oral | 18600 mg/kg | Rat - Oral gavage | Low acute toxicity | CIR Safety Assessment (2012) |
| Skin Irritation | non-irritating | Human patch test | No irritation observed | SCCS Opinion (2015) |
| Sensitization | not sensitizing | Human sensitization study | No sensitization reactions | EFSA Opinion (2018) |
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
Decahydro-Trimethyl-Beta-Naphthyl Acetate has been evaluated for safety in cosmetics and food applications, showing low toxicity.
- Low acute toxicity observed in studies.
- Generally recognized as safe in cosmetics.
- Regulatory assessments confirm safety in specified uses.
Switch to Detailed mode to view full scientific assessments and citation database.
CIR
Report: Safety Assessment of Fragrance Ingredients
Year: 2012
Conclusion: Safe for use in cosmetics at concentrations up to 1%.
View Full Report →
SCCS
Report: Opinion on Fragrance Ingredients
Year: 2015
Conclusion: Considered safe for use in cosmetic products.
View Full Report →
EFSA
Report: Scientific Opinion on Flavoring
Year: 2018
Conclusion: No safety concerns at typical use levels in food.
View Full Report →
Regulatory Status
Global
Decahydro-Trimethyl-Beta-Naphthyl Acetate is permitted for use in major jurisdictions with no significant restrictions. Switch to Detailed mode for full regulatory breakdown.
United States
FDAPERMITTED
None
European Union
European CommissionPERMITTED
None
United Kingdom
UK GovernmentPERMITTED
None
Canada
Health CanadaPERMITTED
None
Frequently Asked Questions
While generally safe, individuals with sensitive skin should test products containing it cautiously.
Consult a healthcare provider before using products with this ingredient if you are pregnant.
Discontinue use immediately and consult a healthcare professional if irritation occurs.
Version History
Audit Trail
| Version | Date | ISS Score | What Changed |
|---|---|---|---|
| 1.0.0 - Initial enrichment | 2026-04-13T05:06:17.792856Z | — | 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.