Butylphenyl Methylpropional
✓ EU AllowedIdentification
CAS Number 80-54-6
EINECS / EC 201-289-8
CosIng Ref 31735
Chemical Name 3-(4-tert-butylphenyl)-2-methylpropanal
IUPAC Name —
Formula C14H20O
Mol. Weight 204.31 g/mol
SMILES CC(CC1=CC=C(C=C1)C(C)(C)C)C=O
InChIKey SDQFDHOLCGWZPU-UHFFFAOYSA-N
Function & Classification
Primary Function Masking
Secondary Functions PERFUMING
Origin Synthetic
Category Fragrances
EU Regulatory Status
SCCS Opinion View SCCS opinion →
Safety Profile
7 / 10
EU Fragrance Allergen One of 26 EU-mandated fragrance allergens — must be labeled separately per EU Cosmetics Regulation.
Comedogenic Rating: 0/5
Will not clog pores — safe for acne-prone skin
Skin Type Compatibility
Acne-Prone ✓ Safe
Sensitive Skin ✕ Potential Irritant
Fungal Acne Safe ✓ Safe
Toxicology Profile
NOAEL 25 mg/kg bw/day (oral, rat, 90-day) SCCS/1540/14
Sensitization Strong
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
Dermal Absorption 35%
LD₅₀ Oral 1600 mg/kg (rat)
Skin Irritation (Draize) 0.8 / 4.0
Eye Irritation (Draize) 1.2 / 4.0
Source SCCS Opinion ↗
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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