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Butyl benzyl phthalate (BBP)

CASRN 85-68-7 | DTXSID3020205

  • IRIS Summary (PDF) (12 pp, 111 K)
  • Status: Development of the butyl benzyl phthalate (bbp) (re)assessment has been discontinued .

On this page:

  • Key IRIS
    Values
  • Assessment
    Status
  • Chemical
    Documents
  • Other EPA
    Information

Noncancer Assessment

Reference Dose for Oral Exposure (RfD) (PDF) (12 pp, 111 K) Last Updated: 09/01/1989

System RfD (mg/kg-day) Basis PoD Composite UF Confidence
Hepatic 2 x 10 -1 Significantly increased liver-to-body weight and liver-to-brain weight ratios NOAEL : 1.59 x 102
mg/kg-day
1000 Low

Reference Concentration for Inhalation Exposure (RfC) (PDF) (12 pp, 111 K)

Not assessed under the IRIS Program.

Cancer Assessment

Weight of Evidence for Cancer (PDF) (12 pp, 111 K) Last Updated: 08/22/1988

WOE Characterization Framework for WOE Characterization
C (Possible human carcinogen) Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1986)
Basis:
  • Based on statistically significant increase in mononuclear cell leukemia in female rats; the response in male rats was inconclusive and there was no such response in mice.
  • This may be a synopsis of the full weight-of-evidence narrative.

Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (12 pp, 111 K)

Not assessed under the IRIS Program.

Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (12 pp, 111 K)

Not assessed under the IRIS Program.

Program Outlook Details

Public Assessment Materials Date
Preliminary Assessment Materials/Systematic Review Protocol Sep-2014
Discontinued Dec-2018

Note: The butyl benzyl phthalate (bbp) (re)assessment has been discontinued. A new/updated assessment will not be added to the IRIS database at this time.

Chemical Documents

Sep 2014: IRIS Toxicological Review of Butyl Benzyl Phthalate (BBP) (Preliminary Assessment Materials, 2014) (Report)

Dec 2008: Phthalates and Cumulative Risk Assessment (NAS Final Report) (Other)

Other EPA Information

Additional EPA toxicity information may be available by visiting the following sites:
  • Human Health Benchmarks for Pesticides (HHBP). This database provides human health benchmarks for pesticides that may be present in drinking water.
  • Office of Pesticide Programs Pesticide Chemical Search. This database provides links to health effects information and registration status for pesticides.
  • Chemistry Dashboard. This database provides information on chemical structures, experimental and predicted physicochemical, and toxicity data.

Related Links

  • EPA Chemicals Dashboard - Butyl benzyl phthalate (BBP)

Critical Effects

Hepatic
Hepatic

Chemical Structure

Butyl benzyl phthalate (BBP)

Synonyms

  • BBP
  • Benzyl butyl phthalate
  • Benzyl n-butyl phthalate
  • Benzyl-butylester kyseliny ftalove
  • Butyl benzyl phthalate
  • Butyl phenylmethyl 1,2-benzenedicarboxylate
  • NCI-C54375
  • Palatinol BB
  • Phthalic acid, benzyl butyl ester
  • Santicizer 160
  • Sicol 160
  • Unimoll BB
  • n-Butyl benzyl phthalate
  • 1,2-Benzenedicarboxylic acid, butyl phenylmethyl ester
  • 85-68-7
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