| Revision as of 18:55, 6 August 2011 editCheMoBot (talk | contribs)Bots141,565 edits Updating {{chembox}} (no changed fields - added verified revid - updated 'DrugBank_Ref', 'UNII_Ref', 'ChEMBL_Ref', 'ChEBI_Ref', 'KEGG_Ref') per Chem/Drugbox validation (report [[Wikipedia_talk:Wi← Previous edit |
Latest revision as of 21:11, 23 December 2024 edit undo2a02:8440:812b:408a:0:47:2318:1301 (talk) →topTags: Mobile edit Mobile app edit Android app edit App section source |
| (43 intermediate revisions by 34 users not shown) |
| Line 1: |
Line 1: |
|
{{chembox |
|
{{chembox |
|
|
| Watchedfields = changed |
|
| verifiedrevid = 443385694 |
|
|
| Name = Ammonium hexachloroplatinate |
|
| verifiedrevid = 443387206 |
|
|
| Name = Ammonium hexachloroplatinate |
|
| ImageFile = Ammonium hexachloroplatinate.png |
|
| ImageFile = (NH4)2PtCl6.svg |
|
| ImageSize = 200px |
|
| ImageSize = 200px |
|
| ImageName = Ammonium hexachloroplatinate |
|
| ImageName = Ammonium hexachloroplatinate |
|
|
| ImageFile2 = (NH4)2PtCl6Xray.tif |
| ⚫ |
| IUPACName = Ammonium hexachloroplatinate(IV) |
|
|
|
| ImageSize2 = 320px |
| ⚫ |
| OtherNames = ammonium chloroplatinate |
|
|
|
| ImageName2 = Ammonium hexachloroplatinate |
| ⚫ |
| Section1 = {{Chembox Identifiers |
|
|
⚫ |
| IUPACName = Ammonium hexachloroplatinate(IV) |
| ⚫ |
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
|
|
⚫ |
| OtherNames = ammonium chloroplatinate |
|
⚫ |
|Section1={{Chembox Identifiers |
|
⚫ |
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} |
|
| ChemSpiderID = 10628022 |
|
| ChemSpiderID = 10628022 |
|
|
| PubChem = 16211460 |
|
|
| EINECS = 240-973-0 |
|
| InChI = 1/6ClH.2H3N.Pt/h6*1H;2*1H3;/q;;;;;;;;+4/p-4/rCl6Pt.2H3N/c1-7(2,3,4,5)6;;/h;2*1H3/q-2;;/p+2 |
|
| InChI = 1/6ClH.2H3N.Pt/h6*1H;2*1H3;/q;;;;;;;;+4/p-4/rCl6Pt.2H3N/c1-7(2,3,4,5)6;;/h;2*1H3/q-2;;/p+2 |
|
| ChEBI_Ref = {{ebicite|correct|EBI}} |
|
| ChEBI_Ref = {{ebicite|correct|EBI}} |
| Line 19: |
Line 25: |
|
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
|
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} |
|
| StdInChIKey = PCCGQTHFYHJATL-UHFFFAOYSA-J |
|
| StdInChIKey = PCCGQTHFYHJATL-UHFFFAOYSA-J |
|
|
| CASNo_Ref = {{cascite|correct|??}} |
|
| CASNo = 16919-58-7 |
|
| CASNo = 16919-58-7 |
|
|
| UNII_Ref = {{fdacite|correct|FDA}} |
|
|
| UNII = 1653N9XMIC |
|
}} |
|
}} |
|
| Section2 = {{Chembox Properties |
|
|Section2={{Chembox Properties |
|
| Formula = |
|
| Formula = (NH<sub>4</sub>)<sub>2</sub>PtCl<sub>6</sub> |
|
| MolarMass = 443.87 g/mol |
|
| MolarMass = 443.87 g/mol |
|
|
| Odor = odorless |
| ⚫ |
| Density = 3.07 g/cm<sup>3</sup> |
|
|
|
| Appearance = yellow crystals |
|
| MeltingPt = |
|
|
⚫ |
| Density = 3.065 g/cm<sup>3</sup> |
|
| Solvent = other solvents |
|
|
|
| MeltingPtC = 380 |
|
| SolubleOther = 0.5 g/100 mL (20 °C)<br />3.365 g/100 mL (100 °C) |
|
|
|
| MeltingPt_notes = decomposes |
| ⚫ |
}} |
|
|
|
| Solubility = 0.289 g/100ml (0 °C)<br /> 0.7 g/100ml (15 °C)<ref>{{cite web|url=http://chemister.ru/Database/properties-en.php?dbid=1&id=7145 |title=ammonium hexachloroplatinate(IV) |publisher=Chemister.ru |date=2007-03-19 |accessdate=2014-06-03}}</ref><br /> 0.499 g/100ml (20 °C)<br /> 3.36 g/100ml (100 °C)}} |
|
|
| Section7 = {{Chembox Hazards |
|
|
| Hazards_ref = |
|
|
| ExternalSDS = |
|
|
| GHSPictograms = {{GHS05}}{{GHS06}}{{GHS08}} |
|
|
| GHSSignalWord = Danger |
|
|
| HPhrases = {{H-phrases|290|301|317|318|334}} |
|
|
| PPhrases = {{P-phrases|234|261|264|270|272|280|285|301+310|302+352|304+341|305+351+338|310|321|330|333+313|342+311|363|390|404|405|501}} |
|
|
| MainHazards = |
|
|
| IngestionHazard = |
|
|
| InhalationHazard = |
|
|
| EyeHazard = |
|
|
| SkinHazard = |
|
|
| NFPA-F = |
|
|
| NFPA-H = |
|
|
| NFPA-R = |
|
|
| NFPA-S = |
|
|
| NFPA_ref = |
|
|
| FlashPt = |
|
|
| FlashPtC = |
|
|
| FlashPt_notes = |
|
|
| FlashPt_ref = |
|
|
| AutoignitionPt = |
|
|
| AutoignitionPtC = |
|
|
| AutoignitionPt_ref= |
|
|
| AutoignitionPt_notes= |
|
|
| ExploLimits = |
|
|
| TLV = |
|
|
| TLV-TWA = |
|
|
| TLV-STEL = |
|
|
| TLV-C = |
|
|
| LD50 = 195 mg/kg rat |
|
|
| LDLo = |
|
|
| LC50 = |
|
|
| LCLo = |
|
|
| PEL = |
|
|
| REL = |
|
|
| IDLH = |
|
|
| NIOSH_id = |
|
|
| NIOSH_ref = |
|
⚫ |
}} |
|
}} |
|
}} |
|
|
|
|
|
'''Ammonium hexachloroplatinate''', also known as ammonium chloroplatinate, is a ] with the formula g /100 mL. |
|
'''Ammonium hexachloroplatinate''', also known as ammonium chloroplatinate, is the ] with the formula (NH<sub>4</sub>)<sub>2</sub>. It is a rare example of a soluble ](IV) ] that is not ]. It forms intensely yellow solutions in water. In the presence of 1M ], its solubility is only 0.0028 g/100 mL. |
|
|
|
|
|
==Preparation and structure== |
|
==Preparation and structure== |
|
The compound consists of separate ] ] cations and ] <sup>2−</sup> anions. It is usually generated as a fine yellow precipitate by treating a solution of ] with a solution of an ammonium salt.<ref name=Kauuf>{{cite journal | title = Ammonium Hexachloroplatinate(IV) | author = ] | year = 1967 | journal = ] | volume = 9 | pages = 182–185 | doi = 10.1002/9780470132401.ch51 | last2 = Thurner | first2 = Joseph J. | last3 = Zatko | first3 = David A.}}</ref> The complex is so poorly soluble that this step is employed in the isolation of platinum from ores and recycled residues.<ref>Cotton, S. A. Chemistry of Precious Metals, Chapman and Hall (London): 1997. ISBN 0-7514-0413-6.</ref> |
|
The compound consists of separate ] ] ]s and ] <sup>2−</sup> ]s. It is usually generated as a fine yellow precipitate by treating a solution of ] with a solution of an ammonium salt.<ref name=Kauuf>{{cite book | chapter = Ammonium Hexachloroplatinate(IV) | author = George B. Kauffman | title = Inorganic Syntheses | author-link = George B. Kauffman | year = 1967 | volume = 9 | pages = 182–185 | doi = 10.1002/9780470132401.ch51 | isbn = 978-0-470-13240-1}}</ref> The complex is so poorly soluble that this step is employed in the isolation of platinum from ores and recycled residues.<ref>Cotton, S. A. ''Chemistry of Precious Metals'', Chapman and Hall (London): 1997. {{ISBN|0-7514-0413-6}}.</ref> |
|
|
|
|
|
As analyzed by ], the salt crystallizes in a cubic motif reminiscent of the ] structure. The <sup>2−</sup> centers are octahedral. The NH<sub>4</sub><sup>+</sup> centers are ]ed to the ] ].<ref>Verde-Gómez, Y.; Alonso-Nuñez, G.; Cervantes, F.; Keer, A. "Aqueous solution reaction to synthesize ammonium hexachloroplatinate and its crystallographic and thermogravimetric characterization" Materials Letters, 2003, volume 57, p 4667-4672. {{doi|10.1016/S0167-577X(03)00381-1}}</ref> |
|
|
|
|
|
==Uses and reactions== |
|
==Uses and reactions== |
|
Ammonium hexachloroplatinate is used in platinum plating. |
|
Ammonium hexachloroplatinate is used in platinum plating. Heating (NH<sub>4</sub>)<sub>2</sub> under a stream of ] at 200 °C produces ] sponge. Treating this with chlorine gives H<sub>2</sub>.<ref name=Kauuf/> |
|
|
|
|
|
|
Ammonium hexachloroplatinate decomposes to yield platinum sponge when heated to high temperatures:<ref name=Kauuf/><ref>{{cite book|title=Modern Descriptive Chemistry|last1=Rochow|first1=Eugene George|year=1977|publisher=W. B. Saunders Company|page=202|isbn=9780721676289|url=https://archive.org/details/moderndescriptiv0000roch/mode/1up}}</ref> |
|
Heating <sub>2</sub> under a stream of ] at 200 °C produces ] sponge. Treating this with chlorine gives H<sub>2</sub>PtCl<sub>6</sub>.<ref name=Kauuf/> |
|
|
|
:3(NH<sub>4</sub>)<sub>2</sub>PtCl<sub>6</sub> → 3Pt(s) + 2NH<sub>4</sub>Cl(g) + 16HCl(g) + 2N<sub>2</sub>(g) |
|
|
|
|
|
==Safety== |
|
|
Dust containing ammonium hexachloroplatinate can be highly allergenic. "Symptoms range from irritation of skin and mucous membranes to life-threatening attacks of asthma."<ref>{{cite book |doi=10.1002/14356007.a21_075|chapter=Platinum Group Metals and Compounds |title=Ullmann's Encyclopedia of Industrial Chemistry |year=2001 |last1=Renner |first1=Hermann |last2=Schlamp |first2=Günther |last3=Kleinwächter |first3=Ingo |last4=Drost |first4=Ernst |last5=Lüschow |first5=Hans Martin |last6=Tews |first6=Peter |last7=Panster |first7=Peter |last8=Diehl |first8=Manfred |last9=Lang |first9=Jutta |last10=Kreuzer |first10=Thomas |last11=Knödler |first11=Alfons |last12=Starz |first12=Karl Anton |last13=Dermann |first13=Klaus |last14=Rothaut |first14=Josef |last15=Drieselmann |first15=Ralf |last16=Peter |first16=Catrin |last17=Schiele |first17=Rainer |isbn=3527306730 }}</ref> |
|
|
|
|
|
|
|
|
==Related compounds== |
|
|
*] |
|
|
|
|
|
==References== |
|
==References== |
|
{{reflist}} |
|
{{Reflist}} |
|
|
|
|
|
|
{{Ammonium salts}} |
| ⚫ |
] |
|
|
] |
|
{{Platinum compounds}} |
|
|
|
|
|
⚫ |
] |
|
] |
|
|
|
] |
|
] |
|
|
|
] |
|
|
] |