Is Aluminum Isopropoxide safe in cosmetics?
Aluminum Isopropoxide has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Aluminum Isopropoxide
Also known as: EINECS 209-090-8, NSC 7604, 2-Propanol aluminum salt
INCI: ALUMINUM ISOPROPOXIDE
Aluminum Isopropoxide (CAS 555-31-7) is a cosmetic cosmetic ingredient functioning as Viscosity controlling agent. EU Regulation 1223/2009 status: permitted. 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 555-31-7 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Aluminum Isopropoxide is classified GHS Danger (H228, H314, H318, H319, H336) in the chemicals database but is allowed in EU cosmetics.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Viscosity controlling agent
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
aluminum tris(propan-2-olate)
InChIKey
SMZOGRDCAXLAAR-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No FDA prohibition; no standalone CIR review identified. Covered indirectly by CIR assessments of alumina/aluminum hydroxide where the Panel noted aluminum compounds reviewed were found safe or safe with qualifications.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Aluminum Isopropoxide.
Calculate MoS for your specific formulation with the MoS Calculator.
EU CLP Annex VI Harmonized Classification
Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.
Signal Word
Danger
Pictograms
Flammable
Hazard Class and Category
Flam. Sol. 1
Hazard Statements
- H228 Flammable solid
Inserted via ATP: CLP00
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
1,000 - 10,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Hazard classification: Restricted (Annex XVII)
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Safety (2)
Evidence for Carcinogenicity
A4; Not classifiable as a human carcinogen. /Aluminum metal and insoluble compounds/
Source: Hazardous Substances Data Bank (HSDB)
Skin Eye Respiratory Irritation
Irritation of the eyes has been noted in patients who have been exposed /to aluminum alkyls/. /Aluminum alkyls/ | May cause minor irritation to lungs or eyes. /Aluminum (dust or powder)/
Source: Hazardous Substances Data Bank (HSDB)
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Abrasive
Expert Verdict
Expert safety assessment and concern-level summary for Aluminum Isopropoxide.
Known Synonyms
EINECS 209-090-8
NSC 7604
2-Propanol aluminum salt
Chemical Function
Abrasive
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Aluminum Isopropoxide allowed in the EU?
Aluminum Isopropoxide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Aluminum Isopropoxide do in cosmetics?
Aluminum Isopropoxide functions as: Viscosity controlling agent. It is classified as a cosmetic ingredient in our database. CAS number: 555-31-7.
Is Aluminum Isopropoxide used outside cosmetics?
Aluminum Isopropoxide also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Aluminum Isopropoxide have different safety status in cosmetics vs industrial chemicals?
Aluminum Isopropoxide is classified GHS Danger (H228, H314, H318, H319, H336) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check Aluminum Isopropoxide compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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