Is Sodium Isobutylparaben safe in cosmetics?
Sodium Isobutylparaben has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.
Poor
Cosmetic Ingredient
Sodium Isobutylparaben
Also known as: EINECS 284-597-5, UNII-9THL6FXS4I
INCI: SODIUM ISOBUTYLPARABEN
Sodium Isobutylparaben (CAS 84930-16-5) is a cosmetic cosmetic ingredient functioning as Preservative (sodium salt of isobutylparaben). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 84930-16-5 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Sodium Isobutylparaben is prohibited in EU cosmetics but has active industrial GHS classifications.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word
Function
Preservative (sodium salt of isobutylparaben)
Safety Rating
POOR
Chemistry & Identifiers
IUPAC Name
potassium 4-propoxycarbonylphenolate
InChIKey
TUMYXYVXTFDMTJ-UHFFFAOYSA-M
Regulatory Status
EU EU Status
prohibited
US 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 multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Sodium Isobutylparaben.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Preservative
Expert Verdict
Expert safety assessment and concern-level summary for Sodium Isobutylparaben.
Regulatory Flags
preservative
Known Synonyms
EINECS 284-597-5
UNII-9THL6FXS4I
Chemical Function
Preservative
Australian Status
AICIS status: listed
Frequently Asked Questions
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.
Is Sodium Isobutylparaben used outside cosmetics?
Sodium Isobutylparaben also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Sodium Isobutylparaben have different safety status in cosmetics vs industrial chemicals?
Sodium Isobutylparaben is prohibited in EU cosmetics but has active industrial GHS classifications.
Compliance Tools
Check Sodium Isobutylparaben compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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SODIUM (ASTROCARYUM VULGARE/EUTERPE OLERACEAE/PALM) FRUIT/(ASTROCARYUM VULGARE/PALM) KERNEL/(ASTROCARYUM MURUMURU/BABASSU/BERTHOLLETIA EXCELSA/CARAPA GUIANENSIS/COCOA/FEVILLEA TRILOBATA/PASSIFLORA EDULIS/THEOBROMA GRANDIFLORUM) SEEDATE
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