Good Cosmetic Ingredient

Isopropyl Tallowate

INCI: ISOPROPYL TALLOWATE

CAS Number
68171-33-5 (verify against supplier CoA — some registries cross-list with isopropyl isostearate)
Function
Skin conditioning agent – emollient; binding agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted – not restricted under 21 CFR. CIR Expert Panel assessed alkyl esters (including isopropyl esters of fatty acids) as safe as used.

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Animal-origin ingredient (tallow) requiring BSE/TSE compliance documentation per EU and COSMOS standards. Comedogenic potential at high concentrations. Not suitable for vegan or COSMOS-certified formulations unless sourced from vegetable tallow alternatives.

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Concern Level: Low

Frequently Asked Questions

Is Isopropyl Tallowate safe in cosmetics?

Animal-origin ingredient (tallow) requiring BSE/TSE compliance documentation per EU and COSMOS standards. Comedogenic potential at high concentrations. Not suitable for vegan or COSMOS-certified formulations unless sourced from vegetable tallow alternatives. The EU classifies Isopropyl Tallowate as "permitted". Safety rating: GOOD.

Is Isopropyl Tallowate allowed in the EU?

Isopropyl Tallowate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Isopropyl Tallowate do in cosmetics?

Isopropyl Tallowate functions as: Skin conditioning agent – emollient; binding agent. It is classified as a cosmetic ingredient in our database. CAS number: 68171-33-5 (verify against supplier CoA — some registries cross-list with isopropyl isostearate).

What is the Margin of Safety for Isopropyl Tallowate?

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.

Compliance Tools

Check Isopropyl Tallowate compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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