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| CAS No.: | 1314-15-4 |
|---|---|
| Name: | Platinum dioxide |
| Molecular Structure: | |
|
|
|
| Formula: | PtO2 |
| Molecular Weight: | 227.079 |
| Synonyms: | Adams'catalyst;NSC 402624;Platinic oxide;Platinum dioxide;Platinum(IV) oxide;Platinum（Ⅳ）oxide trihydrate;Platinum oxide (PtO2); |
| EINECS: | 215-223-0 |
| Density: | 10.2 |
| Melting Point: | 450 °C(lit.) |
| Solubility: | Soluble in caustic potash solution. Insoluble in water, acid, aquaregia. |
| Appearance: | crystalline |
| Hazard Symbols: |
 O, Xi
|
| Risk Codes: | 8-41-36/37/38 |
| Safety: | 26-36/37/39-28A-22-17 |
| Transport Information: | UN 1479 |
| PSA: | 34.14000 |
| LogP: | -0.24010 |
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| Conditions | Yield |
|---|---|
| at 510 °C; | |
| at 510 °C; |
| Conditions | Yield |
|---|---|
| at 510 °C; mixt of 70% PtO and 30% PtO2; | |
| High Pressure; from platinum black at 420-450 °C, under 4-60 kg/cm2; | |
| at 510 °C; mixt of 70% PtO and 30% PtO2; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) Kinetics; at 10E-1-10E5 Pa at high temp. (1300-1600°C); | |
| on heating under reduced pressure; | |
| under N2 reactn. of glowing filaments under equilibrium conditions at 1611-1943 K; |
| Conditions | Yield |
|---|---|
| With base (NaOH) In water 4 equiv. of C12H25(CH3)2N(1+)(CH2)3COO(1-) betain stabilizer, 50°C, 7 days; UV-vis spectroscopy; | |
| With base (Li2CO3) In water 4 equiv. of C12H25(CH3)2N(1+)CH2COO(1-) betain stabilizer, refluxing for 2.5 h; UV-vis spectroscopy; |
- 1314-15-4
platinum(IV) oxide
| Conditions | Yield |
|---|---|
| byproducts: O2; in desiccator; |
- 1314-15-4
platinum(IV) oxide
| Conditions | Yield |
|---|---|
| at 300°C in CO2 flow; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: NaOH; calcination;; heterogenous product mixt. obtained;; | |
| In neat (no solvent) byproducts: NaOH; calcination;; heterogenous product mixt. obtained;; |
- 1314-15-4
platinum(IV) oxide
| Conditions | Yield |
|---|---|
| byproducts: H2O; heating at 175°C; | |
| byproducts: H2O; heating at 200-400°C; |
| Conditions | Yield |
|---|---|
| above 400 °C; PtO2 formed solid soln. in PtO; |
| Conditions | Yield |
|---|---|
| With potassium hydroxide In not given | |
| With KOH In not given |
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Specification
The Platinum dioxide (PtO2), with the CAS registry number 1314-15-4 and EINECS registry number 215-223-0, has the systematic name of dioxoplatinum. It is a kind of inorganics, and often used as hydrogenation catalyst. And the molecular formula of this chemical is PtO2.
The physical properties of Platinum dioxide (PtO2) are as followings: (1)#H bond acceptors: 2; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 34.14 Å2.
Preparation: Boil the concentrated pure H2PtCl6 solution and Na2CO3 concentrated solution to obtain PtO2.xH2O precipitate. Then kilndry it with the temperature of 200°C. Boil the precipitate with dilute Na2CO3 solution and distilled water to remove the chloride. And add dilute H2SO4 solution and distilled water to remove the alkali. After then, filter it and place it in water bath to make it dry.
You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin, and it also has risk of serious damage to eyes. What' s more, if contact with combustible material, it may cause fire. Therefore, you had better take the following instructions: Do not breathe dust; Keep away from combustible material; Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer).
You can still convert the following datas into molecular structure:
(1)SMILES: O=[Pt]=O
(2)InChI: InChI=1/2O.Pt/rO2Pt/c1-3-2
(3)InChIKey: YKIOKAURTKXMSB-FVLSDXBIAR