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CAS No 7803-62-5 , silicon

  • Name: silicon
  • Synonyms: 7440-21-3; Flots 100SCO; Silicon dust; Silicon metal; Silicone; Defoamer S-10; Silicon tetrahydride; Monosilane;silicon;SILANE;
  • CAS Registry Number:
  • Transport: UN 2203
  • Melting Point: -185 ºC
  • Flash Point: <-50
  • Boiling Point: -112 ºC
  • Density: 1.114
  • Safety Statements: R12;R17;R20
  • Hazard Symbols: Xn: Harmful;F+: Highly flammable;
  • Flash Point: <-50
  • EINECS: 232-263-4
  • Molecular Weight: 28.0855
  • InchiKey: XUIMIQQOPSSXEZ-UHFFFAOYSA-N
  • InChI: InChI=1S/Si
  • Risk Statements: S9;S16;S33;S36/37/39
  • Molecular Formula: Si
  • Molecular Structure:CAS No:7803-62-5 silicon
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7803-62-5 SILANE; 15-17% IN NITROGEN

  • 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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7803-62-5 Silanes

  • United States Gelest, Inc. [Manufacturer]
  • Tel: 215-547-1015
  • Fax: 215-547-2484
  • Address: Gelest, Inc.
    11 East Steel Road
    Morrisville, PA 19067 ,United States
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7803-62-5 Silane

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7803-62-5 Silane

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7803-62-5 Silane

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7803-62-5 Silane

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7803-62-5 Silane

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7803-62-5 Silane

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7803-62-5 Silane

  • China tianjin aokate chemicals co,ltd []
  • Tel: 08-022-58162334
  • Fax: 08-022-27595305
  • Address: Shuipan Garden3-1-2703, the Southeast Converse of Hongqi Road and Tianjin River,Nankai District, Tianjin ,tianjinChina
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7803-62-5 Silane

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References of silicon
Title: Silane
CAS Registry Number: 7803-62-5
Synonyms: Silicon tetrahydride; silicane; monosilane
Molecular Formula: H4Si
Molecular Weight: 32.12
Percent Composition: H 12.55%, Si 87.44%
Line Formula: SiH4
Literature References: Prepd from aluminum silicide and hydrochloric acid or by electrolysis of an aq soln of sodium, ammonium, manganese, or ferrous chloride using an aluminum-silicon alloy as the positive pole: Buff, W?hler, Ann. 102, 128 (1857); from magnesium silicide and HCl: W?hler, ibid. 106, 56 (1858); Stock, Somiesky, Ber. 49, 111 (1916); from zinc silicide and acid: Deville, Caron, Compt. Rend. 45, 163 (1857); from lithium silicide and acid: Moissan, ibid. 135, 1284 (1902); from magnesium silicide and ammonium bromide or chloride in liquid ammonia: Johnson, Isenberg, J. Am. Chem. Soc. 57, 1349 (1935); Clasen, DE 926069 (1952); Angew. Chem. 70, 179 (1958); from lithium aluminum hydride in ether and silicon tetrachloride: Finholt et al., J. Am. Chem. Soc. 69, 2692 (1947); from silica gel, aluminum oxide and hydrogen: Jackson, US 3068069 (1962 to du Pont); from silicon tetrachloride and sodium aluminum hydride: Mason, Kelly, US 3043664 (1962 to Allied Chem.). Purification: Jacob, Trenner, US 3019087 (1962 to Merck & Co.); Shoemaker, Sumrell, US 3041141 (1962 to Baker Chem.).
Properties: Gas, repulsive odor. d-185 (liq) 0.68. Solidifies at approx -200°. mp -185°; bp -112°. Stable at ordinary temps; completely dec ~400° into silicon and hydrogen; dec by an electric discharge; ignites in an atm of chlorine; ignites in air by raising the temp. Slowly dec in water; practically insol in alc, ether, benzene, chloroform, silicochloroform and silicon tetrachloride. Dec in potassium hydroxide solns.
Melting point: mp -185°
Boiling point: bp -112°
Density: d-185 (liq) 0.68
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin, mucous membranes; nausea, headache. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 278.
Use: Source of hyperpure silicon for semiconductors.