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CAS No 7440-30-4 , thulium

  • Name: thulium
  • Synonyms: 69Tm; Thulium-169; UNII-8RKC5ATI4P; ACMC-20ajig;tulio; 7440-30-4; (171tm)thulium; TM; 110424-80-1;thulium;
  • CAS Registry Number:
  • Transport: UN 3089 4.1/PG 2
  • Density: 9.332 g/mL at 25 °C(lit.)
  • Safety Statements: S24/25;
  • Hazard Symbols: F:Highlyflammable;
  • EINECS: 231-140-2
  • Molecular Weight: 168.93421
  • InchiKey: FRNOGLGSGLTDKL-UHFFFAOYSA-N
  • InChI: InChI=1S/Tm
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: Tm
  • Molecular Structure:CAS No:7440-30-4 thulium
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7440-30-4 THULIUM CHIPS; (99.9% REO)

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
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7440-30-4 T-1097 THULIUM METAL

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7440-30-4 Thulium, Metal

  • 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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7440-30-4 Thulium

  • Canada Treibacher Industrie Inc [, Manufacturer, Distributor/Wholesaler]
  • Tel: 001-416-5352600
  • Fax: 001-416-
  • Address: 515 Consumers Road, Suite 212 Toronto,OntarioCanada
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7440-30-4 THULIUM METAL

  • Canada Treibacher Industrie Inc [Manufacturer]
  • Tel: 416-535-2600
  • Fax: 416-535-2602
  • Address: Treibacher Industrie Inc
    67 Mowat Avenue, Suite 332
    M6K 3E3 Toronto, Ontario
    Canada ,Canada
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7440-30-4 THULIUM

  • United States Rhodia Rare Earths and Silica Systems [Manufacturer]
  • Tel: 1-800-515-6065/ 1-609-860-3200
  • Fax: 1-609-860-2228
  • Address: Rhodia Rare Earths and Silica Systems
    CN 7500
    Cranbury, NJ 08512 ,United States
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7440-30-4 TM

  • China Dynamic Tianyin Holdings Company Limited []
  • Fax: +86-21-62313801
  • Address: No. 2 BaiLong Road,Nanjing Chemical Industry Park,Nanjing,Jiangsu,China(Factory锛歓houTie Town,YiXing,JiangSu,China) ,China
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7440-30-4 Thulium atomic absorption standard solution

  • China Hunan HMC Metals Co., Ltd. [Manufacturers]
  • Tel: +86-731-82503866
  • Fax: +86-731-82503898
  • Address: Unit 1409, No. 57 Dongpailou Road, Changsha,Hunan,China Changsha,HunanChina
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References of thulium
Title: Thulium
CAS Registry Number: 7440-30-4
Literature References: Tm; at. wt 168.93421; at. no. 69; valences 2, 3. A rare earth metal of the yttrium group; member of the lanthanide series. Naturally occurring isotope (mass number): 169; known artificial radioactive isotopes: 147; 148; 150-168; 170-176. Estimated abundance in earth's crust: 0.2-0.5 ppm. Found in small quantities in euxenite, ytterspar, sipylite, gadolinite, and other rare earth minerals. Discovered in crude erbium oxide: Cleve, Compt. Rend. 89, 478, 521, 708 (1879). Obtained in a state of high purity by fractional crystn of its bromide: James, J. Am. Chem. Soc. 32, 517 (1910); 33, 1332 (1911). Sepn from other rare earths by ion exchange: Spedding et al., ibid. 76, 2557 (1954). Toxicity study: Haley, J. Pharm. Sci. 54, 663 (1965). Review 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: Silvery-white, easily worked metal. Hexagonal close-packed crystals, d 9.3208. mp 1545°. bp 1725°; also reported as bp 1950° (Spedding, 1982). Heat of fusion: 16.84 kJ/mol. Heat of sublimation (25°): 232.2 kJ/mol. Solns of thulium salts show a characteristic absorption spectrum: Exner, Haschek, cited in Mellor's vol. V, 698 (1929).
Melting point: mp 1545°
Boiling point: bp 1725°; bp 1950° (Spedding, 1982)
Density: d 9.3208
 
Derivative Type: Oxide
Synonyms: Thulia
Molecular Formula: O3Tm2
Molecular Weight: 385.87
Percent Composition: O 12.44%, Tm 87.56%
Properties: Dense powder of greenish-white color. Prepd by igniting the oxalate; dissolves slowly in strong acids; exhibits a reddish glow on gentle heating.
 
Derivative Type: Hydroxide
Molecular Formula: Tm(OH)3
Molecular Weight: 219.96
Percent Composition: Tm 76.80%, O 21.82%, H 1.37%
Properties: White precipitate.
 
Derivative Type: Chloride heptahydrate
Molecular Formula: TmCl3.7H2O
Molecular Weight: 401.40
Percent Composition: Tm 42.09%, Cl 26.50%, H 3.52%, O 27.90%
Properties: Deliquesc crystals. Sol in water, in alcohol. LD50 in mice: 485 mg/kg i.p.; 6.25 g/kg orally (Haley).
Toxicity data: LD50 in mice: 485 mg/kg i.p.; 6.25 g/kg orally (Haley)
 
Derivative Type: Sulfate octahydrate
Molecular Formula: Tm2(SO4)3.8H2O
Molecular Weight: 770.18
Percent Composition: Tm 43.87%, S 12.49%, O 41.55%, H 2.09%
Properties: Obtained by ppting an aq soln of thulium chloride and sulfuric acid with alc.
 
Derivative Type: Oxalate hexahydrate
Molecular Formula: Tm2(C2O4)3.6H2O
Molecular Weight: 710.02
Percent Composition: Tm 47.59%, C 10.15%, O 40.56%, H 1.70%
Properties: Greenish-white precipitate. Sol in aq alkali oxalates with formation of double oxalates.