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m-Cresol - ipcs inchem

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OECD SIDS<br />

p-CRESOL<br />

5. TOXICITY ID: 106-44-5<br />

DATE: 24.05.2004<br />

Frequency of treatm. : daily<br />

Post exposure period : no<br />

Doses : 0 or 1.5 % in diet (corresponding to about 1100 mg/kg bw/d)<br />

Result :<br />

Control group : yes, concurrent no treatment<br />

Method : other: 15 males/group,<br />

Year : 1986<br />

GLP : no data<br />

Test substance : other TS: >98% pure.<br />

Result : An increased incidence of mild to moderate forestomach<br />

hyperplasia occurred (10 animals: moderate; 5 animals: mild) when<br />

compared with the controls. Marked hyperplasia or papillomatous lesions<br />

were not observed.<br />

Reliability : (2) valid with restrictions<br />

limited documentation; small number of animals; limited scope of<br />

examinations; short exposure<br />

16.12.2002 (166)<br />

Species : other: in vitro cell transformation assay<br />

Sex :<br />

Strain : other: mouse BALB/c-3T3 cells<br />

Route of admin. :<br />

Exposure period :<br />

Frequency of treatm. :<br />

Post exposure period :<br />

Doses : 0.81, 3.25, 5, 10, 15 nl/ml culture medium<br />

Result : positive<br />

Control group : other: yes, neg control: culture medium with 10 %FCS; pos. control: 3-<br />

methylcholanthrene<br />

Method : other: 40CFR 795.285 (modified); preliminary cytotoxicity test, performance<br />

of the test according Kakunaga, Int. J.Cancer 12,463,1973, without<br />

metabolic activation<br />

Year : 1988<br />

GLP : yes<br />

Test substance : other TS: p-cresol, purity: 99.8 %<br />

Result : p-cresol produced a dose-related increase in the number of foci/plate over<br />

the entire concentration range. The test material induced cell<br />

transformation that was significantly elevated when compared to the<br />

controls.<br />

Test material toxicity was determined in priliminary assays<br />

Reliability : (2) valid with restrictions<br />

non-validated test system<br />

Flag : Critical study for SIDS endpoint<br />

06.02.2004 (167)<br />

5.8.1 TOXICITY TO FERTILITY<br />

Type : Two generation study<br />

Species : rat<br />

Sex : male/female<br />

Strain : Sprague-Dawley<br />

Route of admin. : gavage<br />

Exposure period : see remarks<br />

Frequency of treatm. : 5 days per week<br />

Premating exposure period<br />

Male : 10 weeks<br />

Female : 10 weeks<br />

Duration of test : see remarks<br />

UNEP PUBLICATIONS 277

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