Composition containing platinum
The invention provides for a composition comprising elemental platinum and/or at least one platinum-containing compound, where said platinum has a positive oxidation state, and one or more organic compounds comprising carbon atoms, hydrogen atoms and at least two oxygen atoms, wherein at least one of said compounds comprises at least one olefinic unsaturation, characterized in that said composition comprises a proportion of organic compounds comprising carbon atoms, hydrogen atoms and at least two oxygen atoms of from 50.0 to 99.9 wt % and a proportion of the sum of elemental platinum and platinum-containing compounds of from 0.1 to 50.0 wt % in each case based on the composition, with the proviso that the proportions of organic compounds comprising carbon atoms, hydrogen atoms and at least two oxygen atoms and of elemental platinum and platinum-containing compounds sum to at least 90 wt % based on the composition and the proviso that the olefinic unsaturation content is at least 0.1 g of iodine/100 g of the organic compounds comprising carbon atoms, hydrogen atoms and at least two oxygen atoms, corresponding to at least 0.004 meq/g, for a process for preparing said composition and for the use thereof.
1. A composition comprising elemental platinum or platinum(II)-containing compound, wherein said platinum(II) has a positive oxidation state, and an organic compound is vinyl 4-hydroxy butyl ether
wherein said composition comprises from 50.0 to 99.9 wt % of the organic compound and from 0.1 to 50.0 wt % of elemental platinum or platinum(II)-containing compound in each case based on the composition, wherein the organic compound and elemental platinum or platinum(II)-containing compound sum to at least 90 wt % based on the composition, wherein the organic compound have an olefinic unsaturation content of at least 0.1 g of iodine/100 g of the organic compound, corresponding to at least 0.004 meq/g, and
wherein the platinum(II)-containing compound comprises from more than 95 mol % of cis-(NH 3 ) 2 PtCl 2 .
2. The composition according to claim 1 , wherein the composition comprises at least one platinum(II) compound,
wherein the platinum(II)-containing compound comprises from more than 99.5 mol % of cis-(NH 3 ) 2 PtCl 2 , and the composition comprises no detectable amounts of elemental platinum or platinum (0) compounds.
3. The composition according to claim 1 , wherein the platinum(II)-containing compound comprises more than 99.5 mol % of cis-(NH 3 ) 2 PtCl 2 as platinum(II)-containing compound, and
the organic compound and elemental platinum or platinum(II)-containing compound sum to at least 99 wt % based on the composition.
4. The composition according to claim 1 , wherein the composition comprises di-μ-chlorobis(1,2-n)cyclohexene platinum(II) chloride as platinum(II)-containing compound.
5. The composition according to claim 1 , wherein the elemental platinum or platinum(II)-containing compounds is from 0.3 to 1 wt % based on the composition.
6. A process for preparing a composition according to claim 1 , wherein the elemental platinum or the platinum(II)-containing compound are washed into the vessel with the vinyl 4-hydroxy butyl ether.
7. The process according to claim 6 , wherein the addition of the elemental platinum or the platinum(II)-containing compound is effected at a temperature in the vessel of from 30° C. to 75° C.
8. The process according to claim 6 , wherein the vessel employed is a spherical vessel fitted with a lateral port by means of which the elemental platinum(II) or the platinum(II)-containing compound are added.
9. The process according to claim 6 , wherein the vessel comprises a lateral port with a rotatable connection with which a container containing the elemental platinum(II) or the platinum(II)-containing compound can be connected and, for emptying, rotated such that the contents can feed into the vessel under gravity.