Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
GHS Hazard Classification
Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.
Expert Verdict
Minimal concerns; may cause mild irritation in concentrated solutions; hygroscopic — stability considerations in formulation
Regulatory Flags
Frequently Asked Questions
Is Sodium Thiosulfate safe in cosmetics?
Minimal concerns; may cause mild irritation in concentrated solutions; hygroscopic — stability considerations in formulation The EU classifies Sodium Thiosulfate as "permitted". Safety rating: GOOD.
Is Sodium Thiosulfate allowed in the EU?
Sodium Thiosulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Sodium Thiosulfate do in cosmetics?
Sodium Thiosulfate functions as: Reducing agent, antioxidant, neutralizer (used post-perming to stop thiol reactions). It is classified as a cosmetic ingredient in our database. CAS number: 7772-98-7.
What is the Margin of Safety for Sodium Thiosulfate?
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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