Agent Name

Butyl benzyl phthalate

CAS Number




Major Category

Plastics & Rubber


1,2-Benzenedicarboxylic acid, butyl phenylmethyl ester; BBP; Benzyl butyl phthalate; Benzyl butylphthalate; Benzyl n-butyl phthalate; Benzyl-butylester kyseliny ftalove [Czech]; Butylbenzyl phthalate; Butyl phenylmethyl 1,2-benzenedicarboxylate; Palatinol BB; Phthalic acid, benzyl butyl ester; Santicizer 160; Sicol; Sicol 160; Unimoll BB; n-Butyl benzyl phthalate; [ChemIDplus] UN3082


Phthalate Esters


Colorless liquid; [ICSC]


Used as an organic intermediate and a plasticizer for PVC-based flooring products, polyvinyl acetate emulsion adhesives, polyvinyl and cellulose resins, vinyl foams, and other plastics; [HSDB] Used as a plasticizer mainly in PVC for vinyl floor tile, vinyl foams, and carpet backing; [Reference #1]


"Animal tests show that this substance possibly causes toxicity to human reproduction or development." [ICSC] Like dioctyl phthalate, it may cause CNS depression and mild liver toxicity after ingestion of large amounts; [HSDB] Causes damage to testes and genital tract in high-dose animal studies; No human data; [REPROTOX] Low oral toxicity; Oral LD50 (rat) >2000 mg/kg; Has effects on the CNS, kidneys, and liver at high doses; Some evidence of carcinogenicity in male rats; Further studies on reproductive effects in animals are needed; [Reference #1] An irritant; [MSDSonline] See "PHTHALATE ESTERS."

Reference Link

INCHEM: Butyl benzyl phthalate (CICADS - 1999)

Exposure Assessment
Vapor Pressure

8.25E-6 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Environmentally hazardous substances, liquid, n.o.s."

Flammability (NFPA)

1: Must be preheated

Adverse Effects

Hepatotoxin, Secondary

Reproductive Toxin


IARC Carcinogen

Not Classifiable

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information


Chemical Information

Search ChemIDplus

Biomedical References

Search PubMed

Related Information in HazMap
Other Information

No other related information on this agent was found.