Chemical Product Library / Reference

Dibutyl phthalate

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Dibutyl phthalate

Chemical identity

English nameDibutyl phthalate
English synonymsDBP;Dibutyl phthalate;Phthalic acid dibutyl ester
Chinese name邻苯二甲酸二丁酯
Chinese synonymsDBP;增塑剂DBP;酞酸二丁酯
Chemical categoryPlasticizers
CAS No.84-74-2
EINECS No.201-557-4
Molecular formulaC16H22O4
Molecular weight278.35
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Ester content ≥99.5%; acidity (as phthalic acid) ≤0.01%; water ≤0.1%; color (Pt-Co) ≤30; flash point ≥160°C

Performance characteristics

Colorless oily liquid, insoluble in water, soluble in most organic solvents

Application scenarios

PVC plasticizer, adhesives, printing inks, cosmetics (nail polish), rubber