Moderate Cosmetic Ingredient NOAEL Data

7-Ethylbicyclooxazolidine

INCI: 7-ETHYLBICYCLOOXAZOLIDINE

CAS Number
7747-35-5
Function
Preservative (antimicrobial; formaldehyde releaser)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 0.1%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; no specific FDA restriction; CIR has reviewed formaldehyde releasers as a class with safety at concentration limits

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
high
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

5 study endpoints found for 7-Ethylbicyclooxazolidine. 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
NOEL 100 mg/kg bw/day dermal rat dermal REACH
NOEL 10 mg/kg bw/day oral rat oral REACH
NOAEL 15 mg/kg bw/day oral dog oral REACH
NOAEL 15 other oral dog oral REACH
NOAEL 100 other oral rat oral REACH

Expert Verdict

Formaldehyde releaser with EU concentration limits (0.1%); restricted in Japan and Sweden; increasing market pressure against formaldehyde releasers; not COSMOS/ECOCERT eligible; must be labeled in EU if >0.05% formaldehyde present

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Concern Level: High

Regulatory Flags

preservative eu_cosing_listed

Frequently Asked Questions

Is 7-Ethylbicyclooxazolidine safe in cosmetics?

Formaldehyde releaser with EU concentration limits (0.1%); restricted in Japan and Sweden; increasing market pressure against formaldehyde releasers; not COSMOS/ECOCERT eligible; must be labeled in EU if >0.05% formaldehyde present The EU classifies 7-Ethylbicyclooxazolidine as "restricted". Safety rating: MODERATE. 5 toxicological study endpoint(s) are available in our database.

Is 7-Ethylbicyclooxazolidine allowed in the EU?

7-Ethylbicyclooxazolidine EU regulatory status: restricted. Maximum allowed concentration: 0.1%. This is based on EU Regulation 1223/2009 and its amendments.

What does 7-Ethylbicyclooxazolidine do in cosmetics?

7-Ethylbicyclooxazolidine functions as: Preservative (antimicrobial; formaldehyde releaser). It is classified as a cosmetic ingredient in our database. CAS number: 7747-35-5.

What is the Margin of Safety for 7-Ethylbicyclooxazolidine?

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 7-Ethylbicyclooxazolidine?

The NOAEL (No Observed Adverse Effect Level) for 7-Ethylbicyclooxazolidine is 100 mg/kg bw/day based on a dermal study via dermal route in rat. A total of 5 study endpoints are available. Source: REACH.

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