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."

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

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Biomedical References

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Related Information in HazMap
Other Information

No other related information on this agent was found.