Good Cosmetic Ingredient NOAEL Data

Trimethyl Pentanyl Diisobutyrate

INCI: TRIMETHYL PENTANYL DIISOBUTYRATE

CAS Number
6846-50-0
Function
Film Forming, Plasticiser — enhances flexibility and durability of nail coatings
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; no specific restrictions

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Trimethyl Pentanyl Diisobutyrate. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL 0.10000000149 % oral dog Subchronic COSMOS_DB
LOAEL 0.34999999404 % oral dog Subchronic COSMOS_DB
LOAEL 0.10000000149 % oral rat Subchronic COSMOS_DB
LOAEL 0.10000000149 % oral rat Subchronic COSMOS_DB
LOAEL 0.10000000149 % oral rat Subchronic COSMOS_DB
LOEL 750 mg/kg bw/day oral rat oral REACH
NOAEL >1 other oral rat oral REACH
NOAEL >1 other oral dog oral REACH
NOAEL >1 other oral rat oral REACH
NOEL 30 other oral rat oral REACH

Expert Verdict

Rare reports of mild skin irritation or allergic reactions with prolonged exposure; primarily nail care use — not broadly evaluated for leave-on skin products

⚠️
Concern Level: Moderate

Regulatory Flags

ifra_fragrance

Frequently Asked Questions

Is Trimethyl Pentanyl Diisobutyrate safe in cosmetics?

Rare reports of mild skin irritation or allergic reactions with prolonged exposure; primarily nail care use — not broadly evaluated for leave-on skin products The EU classifies Trimethyl Pentanyl Diisobutyrate as "permitted". Safety rating: GOOD. 10 toxicological study endpoint(s) are available in our database.

Is Trimethyl Pentanyl Diisobutyrate allowed in the EU?

Trimethyl Pentanyl Diisobutyrate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Trimethyl Pentanyl Diisobutyrate do in cosmetics?

Trimethyl Pentanyl Diisobutyrate functions as: Film Forming, Plasticiser — enhances flexibility and durability of nail coatings. It is classified as a cosmetic ingredient in our database. CAS number: 6846-50-0.

What is the Margin of Safety for Trimethyl Pentanyl Diisobutyrate?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

What is the NOAEL for Trimethyl Pentanyl Diisobutyrate?

The NOAEL (No Observed Adverse Effect Level) for Trimethyl Pentanyl Diisobutyrate is 0.10000000149 % based on a Subchronic study via oral route in dog. A total of 10 study endpoints are available. Source: COSMOS_DB.

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