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Sodium methanolate - ipcs inchem

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OECD SIDS<br />

POTASSIUM METHANOLATE<br />

2. PHYSICO-CHEMICAL DATA ID: 865-33-8<br />

DATE: 28.06.2006<br />

Reliability : (4) not assignable<br />

Flag : Critical study for SIDS endpoint<br />

11.01.2006 (6) (16)<br />

2.10 EXPLOSIVE PROPERTIES<br />

2.11 OXIDIZING PROPERTIES<br />

2.12 DISSOCIATION CONSTANT<br />

Acid-base constant : 15.5<br />

Method : other<br />

Year : 1998<br />

GLP : no data<br />

Test substance : other TS<br />

Method : The reaction rates of methanol and hydroxide ions or methylate and water<br />

with a standard nucleophil, methyl bromide were determined at different<br />

temperatures and with different methanol/water ratios. From these different<br />

reaction rates the equilibrium concentrations of <strong>methanolate</strong> and hydroxide<br />

ions and the equilibrium constant was determined.<br />

Remark : pKa of Methanol (CH3OH --> CH3OO-)<br />

Test substance : Potassium methylate<br />

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

Well documented Scientific literature.<br />

Flag : Critical study for SIDS endpoint<br />

02.12.2005 (20)<br />

2.13 VISCOSITY<br />

2.14 ADDITIONAL REMARKS<br />

UNEP PUBLICATIONS 83

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