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o-TOLUIDINE CAS N°: 95-53-4 - UNEP Chemicals

o-TOLUIDINE CAS N°: 95-53-4 - UNEP Chemicals

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OECD SIDS o-<strong>TOLUIDINE</strong><br />

5. TOXICITY ID: <strong>95</strong>-<strong>53</strong>-4<br />

DATE: 07.01.2005<br />

It should be suggested that only 100%-pure chemicals should be used<br />

when evaluating a test system.<br />

In the present work the compound with code no 41 is declared as otoluidine<br />

hydrochloride, whereas in an the overall summary of this program<br />

code no. 41 is declared as o-toluidine.<br />

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

Method-Evaluation<br />

16.09.2003 (152) (351)<br />

Type : other: sperm head abnormality<br />

Species : mouse<br />

Sex : male<br />

Strain : other: (CBAxBALB/c)F1<br />

Route of admin. : i.p.<br />

Exposure period : 5 days<br />

Doses : 0.05, 0.1, 0.2, 0.25, 0.3, 0.4, 0.5 ml/kg b.w. per day in corn oil<br />

Result : negative<br />

Method : other: sperm morphology assay according to Topham, Mutation Res. 70,<br />

149-155, 1980<br />

Year : 1980<br />

GLP : no data<br />

Test substance : other TS: o-toluidine, no data on purity<br />

Reliability : (4) not assignable<br />

documentation insufficient for assessment: survey of 54 compounds<br />

11.02.2004 (352)<br />

Type : other: zeste-white (UZ) somatic mutation assay<br />

Species : Drosophila melanogaster<br />

Sex : male/female<br />

Strain : other: Drosophila melanogaster UZ stock<br />

Route of admin. : other: oral feed of larvae<br />

Exposure period : single administration<br />

Doses : 0.5, 1.0, 2.0 mM in Ethanol/Tween 80<br />

Result : positive<br />

Method : other: Rasmuson et al. (1984): Eye pigmentation changes in Drosophila<br />

melanogaster in "Handbook of Mutagenicity" (Kilbey et al eds), 603-613<br />

Year : 1991<br />

GLP : no data<br />

Test substance : other TS: o-toluidine, solved in 5 % ethanol/1 % Tween 80<br />

Reliability : (4) not assignable<br />

no validated test method<br />

02.06.2004 (3<strong>53</strong>)<br />

5.7 CARCINOGENICITY<br />

Species : rat<br />

Sex : male<br />

Strain : Fischer 344<br />

Route of admin. : oral feed<br />

Exposure period : 26 weeks<br />

Frequency of treatm. : continuously<br />

Post exposure period : no<br />

Doses : 0, 5000 ppm (approximately 375 mg/kg bw/day)<br />

Result : positive<br />

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

Method : other: comparative toxicity and cancerogenicity,see also TC<br />

Year : 1992<br />

<strong>UNEP</strong> PUBLICATIONS 241

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