Isosteareth-50

INCI: ISOSTEARETH-50

CAS Number
52292-17-8
Function
Surfactant - Emulsifying; Surfactant - Cleansing; solubilizer
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - no restrictions

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.

Expert Verdict

1,4-dioxane and ethylene oxide residues; highest ethoxylation in this series means the most ethylene oxide was consumed in synthesis, requiring rigorous purification. Extremely high HLB (>17); very hydrophilic; excellent for solubilizing oils and fragrances into aqueous systems; rarely used as a primary emulsifier - more often a solubilizer or co-surfactant

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Concern Level: Moderate

Frequently Asked Questions

Is Isosteareth-50 safe in cosmetics?

1,4-dioxane and ethylene oxide residues; highest ethoxylation in this series means the most ethylene oxide was consumed in synthesis, requiring rigorous purification. Extremely high HLB (>17); very hydrophilic; excellent for solubilizing oils and fragrances into aqueous systems; rarely used as a primary emulsifier - more often a solubilizer or co-surfactant The EU classifies Isosteareth-50 as "permitted". Safety rating: MODERATE.

Is Isosteareth-50 allowed in the EU?

Isosteareth-50 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Isosteareth-50 do in cosmetics?

Isosteareth-50 functions as: Surfactant - Emulsifying; Surfactant - Cleansing; solubilizer. It is classified as a cosmetic ingredient in our database. CAS number: 52292-17-8.

What is the Margin of Safety for Isosteareth-50?

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.

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