Regulatory Status
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Safety Data
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Expert Verdict
⚠⚠ HIGH RISK: Causes kidney damage (calcium oxalate crystal deposition); corrosive to mucous membranes; EU restricts to 5% in hair only; toxic by ingestion; must not be used in oral care, lip products, or any product with mucosal exposure. ECHA classifies as Harmful (H302) and Irritant (H312). Incompatible with calcium-containing formulations
Frequently Asked Questions
Is Sodium Oxalate safe in cosmetics?
⚠⚠ HIGH RISK: Causes kidney damage (calcium oxalate crystal deposition); corrosive to mucous membranes; EU restricts to 5% in hair only; toxic by ingestion; must not be used in oral care, lip products, or any product with mucosal exposure. ECHA classifies as Harmful (H302) and Irritant (H312). Incompatible with calcium-containing formulations The EU classifies Sodium Oxalate as "restricted". Safety rating: POOR.
Is Sodium Oxalate allowed in the EU?
Sodium Oxalate EU regulatory status: restricted. Maximum allowed concentration: 5%. This is based on EU Regulation 1223/2009 and its amendments.
What does Sodium Oxalate do in cosmetics?
Sodium Oxalate functions as: Chelating agent; pH adjuster (rarely used in cosmetics — primarily industrial/laboratory chemical). It is classified as a cosmetic ingredient in our database. CAS number: 62-76-0.
What is the Margin of Safety for Sodium Oxalate?
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.
Compliance Tools
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Related Ingredients
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