Moderate Cosmetic Ingredient NOAEL Data

Methyl Beta-Naphthyl Ether

INCI: METHYL BETA-NAPHTHYL ETHER

CAS Number
93-04-9
Function
Fragrance
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - no prohibition or restriction

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

3 study endpoints found for Methyl Beta-Naphthyl Ether. 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 2000 mg/kg bw/day oral rat Short Term Toxicity COSMOS_DB
NOAEL 125 mg/kg bw/day oral rat oral REACH
LOAEL 250 mg/kg bw/day oral rat oral REACH

Expert Verdict

Moderate concern - 2-methoxynaphthalene has been flagged in some toxicological reviews; potential skin sensitization; IFRA restricts concentrations in certain product categories. Also known as 2-methoxynaphthalene; floral, sweet, orange-blossom-like odor; fragrance family: floral ; solid crystalline at room temperature; widely used classic fragrance material

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Concern Level: High

Regulatory Flags

potential-allergen fragrance-component epa_safer_alternative ifra_fragrance fda_food_additive

Frequently Asked Questions

Is Methyl Beta-Naphthyl Ether safe in cosmetics?

Moderate concern - 2-methoxynaphthalene has been flagged in some toxicological reviews; potential skin sensitization; IFRA restricts concentrations in certain product categories. Also known as 2-methoxynaphthalene; floral, sweet, orange-blossom-like odor; fragrance family: floral ; solid crystalline at room temperature; widely used classic fragrance material The EU classifies Methyl Beta-Naphthyl Ether as "prohibited". Safety rating: MODERATE. 3 toxicological study endpoint(s) are available in our database.

Is Methyl Beta-Naphthyl Ether allowed in the EU?

Methyl Beta-Naphthyl Ether EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Methyl Beta-Naphthyl Ether do in cosmetics?

Methyl Beta-Naphthyl Ether functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 93-04-9.

What is the Margin of Safety for Methyl Beta-Naphthyl Ether?

not established 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 Methyl Beta-Naphthyl Ether?

The NOAEL (No Observed Adverse Effect Level) for Methyl Beta-Naphthyl Ether is 2000 mg/kg bw/day based on a Short Term Toxicity study via oral route in rat. A total of 3 study endpoints are available. Source: COSMOS_DB.

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