Moderate Cosmetic Ingredient NOAEL Data

Dimethylhydroxy Furanone

INCI: DIMETHYLHYDROXY FURANONE

CAS Number
3658-77-3
Function
Fragrance (masking/perfuming)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not restricted under 21 CFR; RIFM-assessed

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

4 study endpoints found for Dimethylhydroxy Furanone. 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 6.15 mg/kg bw/day oral rat Subchronic COSMOS_DB
dose_tested 6.15 mg/kg bw/day oral rat Subchronic COSMOS_DB
NOAEL >=400 mg/kg bw/day oral rat oral REACH
NOAEL 101.5 ppm oral rat oral REACH

Expert Verdict

Skin sensitizer with QRA2 restrictions; harmful if swallowed (H302); severe skin burns/eye damage at concentrate (H314); allergic skin reaction risk (H317)

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive

Frequently Asked Questions

Is Dimethylhydroxy Furanone safe in cosmetics?

Skin sensitizer with QRA2 restrictions; harmful if swallowed (H302); severe skin burns/eye damage at concentrate (H314); allergic skin reaction risk (H317) The EU classifies Dimethylhydroxy Furanone as "restricted". Safety rating: MODERATE. 4 toxicological study endpoint(s) are available in our database.

Is Dimethylhydroxy Furanone allowed in the EU?

Dimethylhydroxy Furanone EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Dimethylhydroxy Furanone do in cosmetics?

Dimethylhydroxy Furanone functions as: Fragrance (masking/perfuming). It is classified as a cosmetic ingredient in our database. CAS number: 3658-77-3.

What is the Margin of Safety for Dimethylhydroxy Furanone?

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 Dimethylhydroxy Furanone?

The NOAEL (No Observed Adverse Effect Level) for Dimethylhydroxy Furanone is 6.15 mg/kg bw/day based on a Subchronic study via oral route in rat. A total of 4 study endpoints are available. Source: COSMOS_DB.

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