Platinum information, including Technical Data, Safety Data and its high purity properties, research, applications and other useful facts are discussed below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included.
 Platinum is a member of the platinum group of metals. It is highly corrosion resistant and has numerous catalytic applications. These include in petrochemical cracking catalysts, automotive catalytic converters and in the processes used for proton exchange membrane fuel cells. The metal does not oxidize in air at any temperature. The metal is extensively used in jewelry, electronic wire, and crucibles for corrosive and high temperature laboratory uses and in many advanced instruments. Platinum compounds have application in medicine. Platinum is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder.
Platinum facts, including appearance, CAS #, and molecular formula and safety data, research and properties are
available for many specific states, forms and shapes on the product pages listed to the left. Elemental or metallic forms include pellets, rod, wire and granules for evaporation source material purposes. Nanoparticles and nanopowders provide ultra high surface area which nanotechnology research and recent experiments demonstrate function to create new and unique properties and benefits.
Oxides are available in forms including powders and dense pellets for such uses as optical coating and thin film applications. Oxides tend to be insoluble. Fluorides are another insoluble form for uses in which oxygen is undesirable such as metallurgy, chemical and physical vapor deposition and in some optical coatings. Platinum is available in soluble forms including chlorides, nitrates and acetates. These compounds are also manufactured as solutions at specified stoichiometries.
Platinum is a Block D, Group 10, Period 6 element. The number of electrons in each of Platinum's shells is 2, 8, 18, 32, 17, 1 and its electronic configuration is [Xe] 4f14 5d9 6s1. In its elemental form platinum's CAS number is 7440-06-4. The platinum atom has a radius of 137.3.pm and it's Van der Waals radius is 172.pm. Platinum is not toxic.
 All elemental metals, compounds and solutions may be synthesized in ultra high purity (e.g. 99.999%) for laboratory standards, advanced electronic, thin fillm deposition using sputtering targets and evaporation materials, metallurgy and optical materials and other high technology applications. Information is provided for stable (non-radioactive) isotopes. Organo-Metallic platinum compounds are soluble in organic or non-aqueous solvents. See Analytical Services for information on available certified chemical and physical analysis techniques including MS-ICP, X-Ray Diffraction, PSD and Surface Area (BET) analysis. Platinum was first discovered by Julius Scaliger in 1735.
The origin of the name comes from the Spanish word platina meaning silver
 Platine |
 Platin |
 Platino |
 Platina |
 Platino |
 Platina |
Abundance. The following table shows the abundance of platinum and each of its naturally occurring isotopes on Earth along with the atomic mass for each isotope.
| Isotope |
Atomic Mass |
% Abundance on Earth |
| Pt-190 |
189.959930 |
0.01 |
| Pt-192 |
191.961035 |
0.79 |
| Pt-194 |
193.962664 |
32.9 |
| Pt-195 |
194.964774 |
33.8 |
| Pt-196 |
195.964935 |
25.3 |
| Pt-198 |
197.967876 |
7.2 |
The following table shows the abundance of Platinum present in the human body and in the universe scaled to parts per billion (ppb) by weight and by atom:
| |
Typical Human Body |
Universe |
| by Weight |
no data |
5 ppb |
| by Atom |
no data |
0.03 ppb |
Safety Data and Biological Role. The safety data for platinum metal, nanoparticles and its compounds can vary widely depending on the form. For potential hazard information, toxicity, and road, sea and air transportation limitations, such as DOT Hazard Class, DOT Number, EU Number, NFPA Health rating and RTECS Class, please see the specific material or compound referenced in the left margin. Platinum compounds have no biological role.
Ionization Energy. The ionization energy for platinum (the least required energy to release a single electron from the atom in it's ground state in the gas phase) is stated in the following table:
| 1st Ionization Energy |
864.39 kJ mol-1 |
| 2nd Ionization Energy |
1791.07 kJ mol-1 |
| 3rd Ionization Energy |
- kJ mol-1 |
Conductivity. As to platinum's electrical and thermal conductivity, the electrical conductivity measured as to electrical resistivity @ 20 ºC is 10.6 μΩcm and its electronegativities (or its ability to draw electrons relative to other elements) is 2.2. The thermal conductivity of platinum is 71.6 W m-1 K-1.
Thermal Properties. The melting point and boiling point for platinum are stated below. The following chart sets forth the heat of fusion, heat of vaporization and heat of atomization.
| Heat of Fusion |
19.7 kJ mol-1 |
| Heat of Vaporization |
469 kJ mol-1 |
| Heat of Atomization |
564.42 kJ mol-1 |
Recent Research & Development for PlatinumS-1 Monotherapy for Recurrent or Metastatic Squamous Cell Carcinoma of the Head and Neck After Progression on Platinum-based Chemotherapy.
Yokota T, Onozawa Y, Boku N, Hamauchi S, Tsushima T, Taniguchi H, Todaka A, Machida N, Yamazaki K, Fukutomi A, Yasui H.
Jpn J Clin Oncol. 2011 Oct 5. [Epub ahead of print]
PMID:
21980053
[PubMed - as supplied by publisher]
Gemcitabine and platinum pathway pharmacogenetics in asian breast cancer patients.
Wong AL, Yap HL, Yeo WL, Soong R, Ng SS, Wang LZ, Cordero MT, Yong WP, Goh BC, Lee SC.
Cancer Genomics Proteomics. 2011 Sep;8(5):255-9.
PMID:
21980041
[PubMed - in process]
Pt-rotaxanes as cytotoxic agents.
Wang X, Smithrud DB.
Bioorg Med Chem Lett. 2011 Sep 16. [Epub ahead of print]
PMID:
21978681
[PubMed - as supplied by publisher]
Effects of solvents on in vitro potencies of platinum compounds.
Yi YW, Bae I.
DNA Repair (Amst). 2011 Oct 4. [Epub ahead of print] No abstract available.
PMID:
21978437
[PubMed - as supplied by publisher]
DNA-Platinum Thin Films for Use in Chemoradiation Therapy Studies.
Rezaee M, Alizadeh E, Hunting D, Sanche L.
Bioinorg Chem Appl. 2012;2012:923914. Epub 2011 Oct 2.
PMID:
21977010
[PubMed - in process]
Carboplatin and pegylated liposomal doxorubicin versus carboplatin and paclitaxel in partially platinum-sensitive ovarian cancer patients: results from a subset analysis of the CALYPSO phase III trial.
Gladieff L, Ferrero A, De Rauglaudre G, Brown C, Vasey P, Reinthaller A, Pujade-Lauraine E, Reed N, Lorusso D, Siena S, Helland H, Elit L, Mahner S.
Ann Oncol. 2011 Oct 5. [Epub ahead of print]
PMID:
21976386
[PubMed - as supplied by publisher]
Multiple hydrogen bondings in a platinum complex.
Tabei ES, Samouei H, Rashidi M.
Dalton Trans. 2011 Oct 6. [Epub ahead of print]
PMID:
21975945
[PubMed - as supplied by publisher]
Surgery for early-stage small cell lung cancer.
Schneider BJ, Saxena A, Downey RJ.
J Natl Compr Canc Netw. 2011 Oct;9(10):1132-9.
PMID:
21975913
[PubMed - in process]
Epidermal growth factor receptor blockers for the treatment of ovarian cancer.
Haldar K, Gaitskell K, Bryant A, Nicum S, Kehoe S, Morrison J.
Cochrane Database Syst Rev. 2011 Oct 5;10:CD007927.
PMID:
21975775
[PubMed - in process]
Adjuvant chemotherapy for endometrial cancer after hysterectomy.
Johnson N, Bryant A, Miles T, Hogberg T, Cornes P.
Cochrane Database Syst Rev. 2011 Oct 5;10:CD003175.
PMID:
21975736
[PubMed - in process]
Mechanism and release rates of surface confined cyclodextrin guests.
Mallon CT, Forster RJ, Keyes TE.
Analyst. 2011 Oct 6. [Epub ahead of print]
PMID:
21975325
[PubMed - as supplied by publisher]
Erlotinib Monotherapy for the Maintenance Treatment of Non-Small Cell Lung Cancer after Previous Platinum-Containing Chemotherapy: A NICE Single Technology Appraisal.
Dickson R, Bagust A, Boland A, Blundell M, Davis H, Dundar Y, Hockenhull J, Martin Saborido C, Oyee J, Ramani VS.
Pharmacoeconomics. 2011 Oct 3. [Epub ahead of print]
PMID:
21967156
[PubMed - as supplied by publisher]
Low temperature crystallization of transparent, highly ordered nanoporous SnO(2) thin films: application to room-temperature hydrogen sensing.
Shao S, Qiu X, He D, Koehn R, Guan N, Lu X, Bao N, Grimes CA.
Nanoscale. 2011 Oct 5;3(10):4283-9. Epub 2011 Aug 30.
PMID:
21879121
[PubMed - in process]
Design, synthesis, characterization, luminescence and non-linear optical (NLO) properties of multinuclear platinum(ii) alkynyl complexes.
Chan CK, Tao CH, Li KF, Wong KM, Zhu N, Cheah KW, Yam VW.
Dalton Trans. 2011 Oct 28;40(40):10670-85. Epub 2011 Aug 19.
PMID:
21858294
[PubMed - in process]
Platinum porphyrins as ionophores in polymeric membrane electrodes.
Lvova L, Verrelli G, Stefanelli M, Nardis S, Di Natale C, Amico AD, Makarychev-Mikhailov S, Paolesse R.
Analyst. 2011 Oct 4. [Epub ahead of print]
PMID:
21971176
[PubMed - as supplied by publisher]
Acquired platinum resistance enhances tumour angiogenesis through angiotensin II type 1 receptor in bladder cancer.
Tanaka N, Miyajima A, Kosaka T, Miyazaki Y, Shirotake S, Shirakawa H, Kikuchi E, Oya M.
Br J Cancer. 2011 Oct 4. doi: 10.1038/bjc.2011.399. [Epub ahead of print]
PMID:
21970881
[PubMed - as supplied by publisher]
Preclinical emergence of vandetanib as a potent antitumour agent in mesothelioma: molecular mechanisms underlying its synergistic interaction with pemetrexed and carboplatin.
Giovannetti E, Zucali PA, Assaraf YG, Leon LG, Smid K, Alecci C, Giancola F, Destro A, Gianoncelli L, Lorenzi E, Roncalli M, Santoro A, Peters GJ.
Br J Cancer. 2011 Oct 4. doi: 10.1038/bjc.2011.400. [Epub ahead of print]
PMID:
21970874
[PubMed - as supplied by publisher]
An indirect comparison of the efficacy of bevacizumab plus carboplatin and paclitaxel versus pemetrexed with cisplatin in patients with advanced or recurrent non-squamous adenocarcinoma non-small cell lung cancer.
Nuijten MJ, Aultman R, Carpeño JD, Vergnenègre A, Chouaid C, Walzer S, Siebert U.
Curr Med Res Opin. 2011 Oct 4. [Epub ahead of print]
PMID:
21970659
[PubMed - as supplied by publisher]
Hypersensitivity reactions to anticancer agents: data mining of the public version of the FDA Adverse Event Reporting System, AERS.
Kadoyama K, Kuwahara A, Yamamori M, Brown J, Sakaeda T, Okuno Y.
J Exp Clin Cancer Res. 2011 Oct 5;30(1):93. [Epub ahead of print]
PMID:
21970649
[PubMed - as supplied by publisher]
Reactions of metallodrugs with proteins: selective binding of phosphane-based platinum(ii) dichlorides to horse heart cytochrome c probed by ESI MS coupled to enzymatic cleavage.
Mügge C, Micheucci E, Boscaro F, Gabbiani C, Messori L, Weigand W.
Metallomics. 2011 Oct 4;3(10):987-90. Epub 2011 Sep 22.
PMID:
21947338
[PubMed - in process] |
