Sodium Isobutylparaben

INCI: SODIUM ISOBUTYLPARABEN

CAS Number
84930-16-5
Function
Preservative (sodium salt of isobutylparaben)
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status prohibited
US Notes Not explicitly banned by FDA; however, CIR noted the EU ban and expressed concern over insufficient safety data for endocrine effects

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

EU-banned ingredient; endocrine disruption concerns; estrogenic activity; insufficient safety data per SCCS. Do not use in any EU-market formulation

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Concern Level: High

Regulatory Flags

preservative

Frequently Asked Questions

Is Sodium Isobutylparaben safe in cosmetics?

EU-banned ingredient; endocrine disruption concerns; estrogenic activity; insufficient safety data per SCCS. Do not use in any EU-market formulation The EU classifies Sodium Isobutylparaben as "prohibited". Safety rating: POOR.

Is Sodium Isobutylparaben allowed in the EU?

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

What does Sodium Isobutylparaben do in cosmetics?

Sodium Isobutylparaben functions as: Preservative (sodium salt of isobutylparaben). It is classified as a cosmetic ingredient in our database. CAS number: 84930-16-5.

What is the Margin of Safety for Sodium Isobutylparaben?

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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