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CAS No 7440-60-0 , holmium

  • Name: holmium
  • Synonyms: 261122_ALDRICH; ACMC-1C9YM; 7440-60-0;holmium; 110444-52-5;HOLMIUM ATOM; UNII-W1XX32SQN1; AC1L2N4S; 13967-65-2; HO;
  • CAS Registry Number:
  • Transport: UN 3089 4.1/PG 2
  • Density: 8.8 g/mL at 25 °C(lit.)
  • Safety Statements: 22-24/25-36-26-23
  • Hazard Symbols: Xi:Irritant;
  • EINECS: 231-169-0
  • Molecular Weight: 164.93032
  • InchiKey: KJZYNXUDTRRSPN-UHFFFAOYSA-N
  • InChI: InChI=1S/Ho
  • Risk Statements: 34
  • Molecular Formula: Ho
  • Molecular Structure:CAS No:7440-60-0 holmium
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7440-60-0 Holmium, ingot, 99,9%

  • Holmium, ingot, 99,9%
  • Belgium Alkemi [Manufacturer]
  • Tel: +32 9 340 49 49
  • Fax: +32 9 340 49 47
  • Address: Poststraat, 82 B-9160 Lokeren Belgium ,Belgium
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7440-60-0 HOLMIUM PIECES

  • HOLMIUM PIECES, 99.9% (METALS BASIS EXCLUDING TA)
  • United States INTERNATIONAL LABORATORY LIMITED [Manufacturer]
  • Tel: ( 650 ) 278-9963
  • Fax: ( 650 ) 589-2786
  • Address: 1067 SNEATH LN SAN BRUNO CA 94066, USA SAN BRUNOUNITED STATES SAN BRUNO,United States
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7440-60-0 Holmium powder

  • Holmium powder, (99.9%REO)
  • United States Strem Chemicals, Inc. [Manufacturer]
  • Tel: (978) 499-1600/ (800) 647-8736
  • Fax: (978) 465-3104
  • Address: 7 Mulliken Way
    Newburyport, MA 01950-4098 ,United States
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7440-60-0 Holmium

  • United States GFS Chemicals, Inc. [Manufacturer]
  • Tel: 800-858-9682/ 740-881-5501
  • Fax: 740-881-5989
  • Address: GFS Chemicals, Inc.
    P.O. Box 245
    Powell, OH 43065 ,United States
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7440-60-0 H-1021 HOLMIUM METAL

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7440-60-0 Holmium

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7440-60-0 (0587) HOLMIUM

  • Germany Fox Chemicals GmbH [Manufacturer]
  • Tel: +49.7240.927151/ +49.160.95781845 (Mobile)
  • Fax: +49.7240.927150
  • Address: Fox Chemicals GmbH
    Bockstalstr.10 A
    D-76327 Pfinztal-Germany ,Germany
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7440-60-0 Holmium (III) Hydride

  • Holmium (III) Hydride
  • Germany Fox Chemicals [Manufacturer]
  • Tel: +49-7240-927151
  • Fax: +49-7240-927150
  • Address: Bockstalstr. 10A76327 Pfinztal-Kst.GERMANY Pfinztal-Kst.,Germany
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7440-60-0 HOLMIUM, CHIPS

  • United States ProChem, Inc. [Manufacturer]
  • Tel: 800-795-8788
  • Address: ProChem, Inc.
    826 Roosevelt Rd.
    Rockford IL 61109 ,United States
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7440-60-0 Holmium

  • China Beijing Cerametek Materials Co. Ltd. [Manufacturer]
  • Tel: +86-10-6156.6641
  • Fax: +86-10-6156.1674
  • Address: Beijing Cerametek Materials Co. Ltd.
    2-E051, BPE, W. NongLin Rd.,
    FangShan, Beijing, 102400,
    China ,China
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References of holmium
Title: Holmium
CAS Registry Number: 7440-60-0
Literature References: Ho; at. wt 164.93032; at. no. 67; valence 3. A rare earth metal of the yttrium group; member of the lanthanide series. Naturally occurring isotope (mass number): 165; known artificial radioactive isotopes: 146-164; 166-170. Estimated abundance in earth's crust 1.15-1.4 ppm; occurs in rare earth minerals. Discovered by Soret in 1878 and independently by Cleve in 1879: Cleve, Compt. Rend. 89, 478, 708 (1879). Purification of salts: Holmberg, Z. Anorg. Chem. 71, 226 (1911). Separation from erbium: Driggs, Hopkins, J. Am. Chem. Soc. 47, 363 (1925); from other rare earths: Spedding et al., ibid. 69, 2812 (1947); 76, 2557 (1954). Absorption spectrum: Severin, Z. Phys. 125, 455 (1949). Analysis by means of emission spectra: Smith, Wiggins, Analyst 74, 95 (1949). Toxicity study: Haley et al., Toxicol. Appl. Pharmacol. 8, 37 (1966). Reviews of prepn, properties and compds: The Rare Earths, F. H. Spedding, A. H. Daane, Eds. (Krieger, Huntington, N.Y., 1971, reprint of 1961 ed.) 641 pp; Hulet, Bode, "Separation Chemistry of the Lanthanides and Transplutonium Actinides" in MTP Int. Rev. Sci.: Inorg. Chem., Ser. One vol. 7, K. W. Bagnall, Ed. (University Park Press, Baltimore, 1972) pp 1-45; Moeller, "The Lanthanides" in Comprehensive Inorganic Chemistry vol. 4, J. C. Bailar, Jr. et al., Eds. (Pergamon Press, Oxford, 1973) pp 1-101; F. H. Spedding in Kirk-Othmer Encyclopedia of Chemical Technology vol. 19, (John Wiley & Sons, New York, 3rd ed., 1982) pp 833-854; Chemistry of the Elements, N. N. Greenwood, A. Earnshaw, Eds. (Pergamon Press, New York, 1984) pp 1423-1449. Brief review of properties: G. T. Seaborg, Radiochim. Acta 61, 115-122 (1993).
Properties: Metal; hexagonal close-packed crystals. d 8.7947. mp 1474°. bp 2700°. Heat of fusion: 16.874 kJ/mol. Heat of sublimation (25°): 300.8 kJ/mol. Forms yellow-green salts.
Melting point: mp 1474°
Boiling point: bp 2700°
Density: d 8.7947
 
Derivative Type: Oxide
Synonyms: Holmia
Molecular Formula: Ho2O3
Molecular Weight: 377.86
Percent Composition: Ho 87.30%, O 12.70%
Properties: Yellow solid. Obtained by igniting the hydroxide, nitrate, sulfate, oxalate. Dissolves in acids with formation of a yellow salt.
 
Derivative Type: Chloride
Molecular Formula: HoCl3
Molecular Weight: 271.29
Percent Composition: Ho 60.79%, Cl 39.20%
Properties: Bright yellow, crystalline solid, mp 718°. Formed by heating the hydrated salt in a current of hydrogen chloride at 350°. LD50 in mice: 560 mg/kg i.p.; 7.2 g/kg orally (Haley).
Melting point: mp 718°
Toxicity data: LD50 in mice: 560 mg/kg i.p.; 7.2 g/kg orally (Haley)
 
Derivative Type: Bromide
Molecular Formula: HoBr3
Molecular Weight: 404.64
Percent Composition: Ho 40.76%, Br 59.24%
Properties: mp 914°.
Melting point: mp 914°
 
Derivative Type: Iodide
Molecular Formula: HoI3
Molecular Weight: 545.64
Percent Composition: Ho 30.23%, I 69.77%
Literature References: Obtained by passing hydrogen iodide over the anhydr chloride at 600°: Jantsch et al., Z. Anorg. Chem. 207, 353 (1932).
Properties: Light-yellow solid. mp 1010 ±10°.
Melting point: mp 1010 ±10°