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CAS No 7440-05-3 , palladium Search by region : Spain

  • Name: palladium
  • Synonyms: palladium; Palladex 600; Palladium element; (109pd)palladium; (107pd)palladium; Palladium; 7440-05-3; Palladium on carbon; element;Palladium Black;
  • CAS Registry Number:
  • Transport: UN 3089 4.1/PG 2
  • Melting Point: 1555 ºC
  • Boiling Point: 3167 ºC
  • Density: 1.025 g/mL at 25 °C
  • Safety Statements: May be a skin sensitizer. This metal in the form of palladium chloride has been administered orally in dosage of about 1 grain daily without apparent ill effects in the treatment of tuberculosis. In the laboratory, palladium appears to bind to many cell components; blocks the action of a number of enzymes and interferes with the use of energy by nerves and muscles; induces lung malfunction and produces abnormal fetuses. Lethal intravenous doses cause appetite loss, hemolysis, renal deposition, and bone marrow damage. Poorly absorbed by the body when ingested. Palladium dust can be a fire and explosion hazard. Combustible in the form of dust when exposed to heat or flame. Explosive reaction with hydrogen + hydrogen peroxide. Reaction with formic acid or sodium tetrahydroborate releases explosive hydrogen gas. Violent reaction with isopropyl alcohol, OF2S. Under the proper conditions it undergoes hazardous reactions with aluminum, arsenic, carbon, methanol, ozonides, sulfur.
  • Hazard Symbols: Xn:Harmful;
  • EINECS: 231-115-6
  • Molecular Weight: 106.42
  • InchiKey: KDLHZDBZIXYQEI-UHFFFAOYSA-N
  • InChI: InChI=1S/Pd
  • Risk Statements: S24/25
  • Molecular Formula: Pd
  • Molecular Structure:CAS No:7440-05-3 palladium

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7440-05-3 PALLADIUM 5% ON CALCIUM CARBONATE, POISONED WITH LEAD PS

  • Spain Panreac Synthesis [Manufacturer]
  • Tel: +34 937 489 400
  • Fax: +34 937 489 494
  • Address: PANREAC QUIMICA, S.A.U.
    Poligono Plan de la Bruguera. Garraf, 2
    E-08211 Castellar del Vall?s
    Barcelona (Spain) null,nullSpain
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References of palladium
Title: Palladium
CAS Registry Number: 7440-05-3
Literature References: Pd; at. wt 106.42; at. no. 46; valences 2, 4. Group VIII (10). Six naturally occurring isotopes: 102 (1.0%); 104 (11.0%); 105 (22.2%); 106 (27.3%); 108 (26.7%); 110 (11.8%); artificial, radioactive isotopes: 98-101, 103; 107; 109; 111-115. Abundance in earth's crust 0.001-0.01 ppm. Discovered in 1803 by Wollaston. Belongs to the platinum group of metals. Occurs in nature alloyed with platinum or gold and as a selenide; found in nickel sulfide ores; found in the minerals stibiopalladinite, braggite, porpezite. Isoln: Vauguelin et al., cited by Mellor, A Comprehensive Treatise on Inorganic and Theoretical Chemistry 15, 595 (1936). Reviews of prepn, properties and chemistry of palladium and other platinum metals: Gilchrist, Chem. Rev. 32, 277-372 (1943); Beamish et al., in Rare Metals Handbook, C. A. Hampel, Ed. (Reinhold, New York, 1956) pp 291-328; Livingstone in Comprehensive Inorganic Chemistry vol. 3, J. C. Bailar, Jr. et al., Eds. (Pergamon Press, Oxford, 1973) pp 1163-1189, 1274-1329. Review of uses: E. M. Wise, Palladium, Recovery, Properties, Uses (Academic Press, New York, 1968) 187 pp. Use of organic palladium derivatives in synthesis: P. M. Maitlis, The Organic Chemistry of Palladium (Academic Press, New York, 1971); J. Tsuji, Top. Curr. Chem. 91, 29 (1980); B. M. Trost, Tetrahedron 33, 2615 (1977); idem, Acc. Chem. Res. 13, 385 (1980).
Properties: Silver-white metal, face-centered cubic structure; occurs also as black powder and as spongy masses which can be compressed to a compact mass. mp 1555°. bp 3167°. d420 12.02. Hardness on Mohs' scale 4.8, Brinell hardness 61.0. Spec heat 0.0584 cal/g at 0°C. Electrical resistivity at 0° = 10.0 microohms-cm. Appreciably volatile at high temps. At a red heat is converted into the monoxide. Forms dihalides with fluorine or chlorine at a red heat. Reacts with nitric acid, sulfuric acid, a mixture of hydrochloric and chloric acids. Reacts slightly with concd HCl; more readily in the presence of air or free chlorine. Forms a sulfide when heated with sulfur, a phosphide when heated with phosphorus. Absorbs a considerable amount of hydrogen.
Melting point: mp 1555°
Boiling point: bp 3167°
Density: d420 12.02
Use: In form of gold, silver, and copper alloys in dentistry; for alloy bearings, springs, balance wheels of watches; for mirrors in astronomical instruments; as catalyzer in manuf of sulfuric acid and in other oxidizing processes; in powder form as catalyst in hydrogenation and in ignition of hydrogen or hydrocarbons with oxygen; the spongy form is used in gas analysis for separating hydrogen from mixtures of gases.