# ISOBUTANE

URL: https://app.greenveil.ai/ingredients/ingredient_cas_75_28_5
Categories: beauty, cleaning, industrial, pharma
Functions: No specific technical function, Propellants, non-motive (blowing agents)
Identifier: 75-28-5

> ISOBUTANE is used as no specific technical function / propellants, non-motive (blowing agents). Greenveil chemical-concern score: 100/100 — Critical concern driven by cmr.. Assessed from 10 sources.

## Safety assessment

- Chemical concern score: 100/100 — Critical concern driven by cmr.
- Confidence: 4
- Rationale: Isobutane, if it contains = >0,1% w/w Butadiene is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

## Regulatory status

- EU: banned — Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products. CMR: Carcinogenic Cat. 1A(),Mutagenic Cat. 1B()
- US: commercial use observed — EPA CPDat observed this chemical in 7397 composition records across product categories including Pet and animal care, Cleaning products and household care, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Propellants, non-motive (blowing agents), No specific technical function.
- US: inactive ingredient database — Route: RECTAL; Dosage form: AEROSOL, FOAM; Maximum daily exposure: 142 mg
- US: inactive ingredient database — Route: TOPICAL; Dosage form: AEROSOL; Maximum daily exposure: 4484 mg
- US: inactive ingredient database — Route: TOPICAL; Dosage form: AEROSOL, FOAM; Potency: 18 %w/w
- US: inactive ingredient database — Route: TOPICAL; Dosage form: AEROSOL, SPRAY; Maximum daily exposure: 4484 mg
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._