Sodium Phenoxide

INCI: SODIUM PHENOXIDE

CAS Number
139-02-6
Function
Not a standard cosmetic ingredient; chemical intermediate / pH adjuster
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Not recognized as a cosmetic ingredient; phenol is restricted

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.

Expert Verdict

Do not formulate โ€“ strongly alkaline; corrosive to skin and mucous membranes; liberates free phenol in aqueous solution; phenol is explicitly banned under EU Cosmetics Regulation Annex II; acute systemic toxicity risk through dermal absorption

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Concern Level: High

Frequently Asked Questions

Is Sodium Phenoxide safe in cosmetics?

Do not formulate โ€“ strongly alkaline; corrosive to skin and mucous membranes; liberates free phenol in aqueous solution; phenol is explicitly banned under EU Cosmetics Regulation Annex II; acute systemic toxicity risk through dermal absorption The EU classifies Sodium Phenoxide as "prohibited". Safety rating: POOR.

Is Sodium Phenoxide allowed in the EU?

Sodium Phenoxide EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Phenoxide do in cosmetics?

Sodium Phenoxide functions as: Not a standard cosmetic ingredient; chemical intermediate / pH adjuster. It is classified as a cosmetic ingredient in our database. CAS number: 139-02-6.

What is the Margin of Safety for Sodium Phenoxide?

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.

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