Chemical Name:

Dibutyl Phthalate

Formula:

C₆H₄(COO(CH₂)₃CH₃)₂

CAS #:

84-74-2

Synonyms:

Phthalic Acid, Dibutyl Ester; o-Benzenedicarboxylic Acid, Dibutyl Ester; Benzene-o-Dicarboxylic Acid di-n-Butyl Ester; n-Butyl Phthalate; Dibutyl 1,2-Benzenedicarboxylate; Celluflex DPB; DBP; Elaol; Hexaplas M/B; Palatinol C; Polycizer DBP; PX 104; Staflex DBP; Witcizer 300

Exposure Limits:

TLV (as TWA): ppm; 5 mg/m³ (ACGIH 1992-1993)
OSHA PEL: TWA 5 mg/m³
NIOSH REL: TWA 5 mg/m³
NIOSH IDLH: 4000 mg/m³

Uses:

This compound is used in plasticizers, cosmetics, safety glass, insecticides, printing inks, paper coatings, adhesives, elastomers and explosives. It is used as a solvent in polysulfide dental impression materials, solvent for perfume oils, perfume fixative, textile lubricating agent and solid rocket propellant.

Consumer products that might contain Dibutyl Phthalate include:

Cosmetics; inks; fragrances; adhesives.

Routes of Exposure:

The substance can be absorbed into the body by inhalation and by ingestion.

Inhalation risk:

A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C.

Symptoms of exposure:

Irritation of the eyes, nasal passages, throat and upper respiratory tract, nausea, conjunctivitis, profuse lacrimation, vomiting, dizziness, headache, tearing of eyes and photophobia.  It may also cause liver and kidney damage.

Target Organs:

Eyes, respiratory system, gastrointestinal tract

Effects of short-term exposure: 

Effects of long-term exposure:

Special Warnings:

SAX TOXICITY EVALUATION: THR: Moderately toxic by intraperitoneal and intravenous routes.  Mildly toxic by ingestion.  An experimental teratogen.  Experimental reproductive effects.  Mutagenic data.