Dibutyl Phthalate
AKA “Di-n-butyl phthalate, n-Butyl phthalate, Butyl phthalate, Genoplast B, Palatinol C, Celluflex DPB, Unimoll DB, DIBUTYLPHTHALATE”
Synthetic
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Ingredient Facts
Dibutyl phthalate
AKA: Di-n-butyl phthalate, N-Butyl phthalate, Genoplast B, Palatinol C, Celluflex DPB, Unimoll DB, DIBUTYLPHTHALATE
Synthetic · Perfuming | Plasticiser | Solvent · EWG: 4
Synthetic
Fragrance
Solvent
Synthetic
Not Clean
A solvent and fragrance carrier that helps blend scents evenly throughout the product while keeping it smooth and pliable.
Solubility less than 1 mg/mL at 68 °F (NTP, 1992)
Formula
C16H22O4
Mol. Weight
278.34
CAS #
84-74-2
Form
Liquid
State
N-butyl phthalate is a colorless oily liquid. It is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Sin
Synthetic
Synthetic. Derived from phthalic anhydride and butanol, both petroleum-based chemical compounds. Synthesized through esterification of phthalic anhydride with n-butanol via acid-catalyzed reaction.
Function
Perfuming | Plasticiser | Solvent
Benefits
Perfuming
Solvent
Antioxidant
Adds flexibility
Dissolves other ingredients
Traditional Use
Synthetic plasticizer first synthesized in the early 20th century. Widely used in cosmetics and nail products from the 1950s onward for flexibility and durability, though now restricted in some regions.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
No
Restricted By
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Phototoxicity Concern
Regulatory Agencies
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR