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三二酸化コバルト,粉末

三二酸化コバルト,粉末 化学構造式
1308-04-9
CAS番号.
1308-04-9
化学名:
三二酸化コバルト,粉末
别名:
酸化コバルト(III);四酸化三コバルト;コバルト(II,III)オキシド;三二酸化コバルト;酸化第二コバルト;三二酸化コバルト,粉末
英語化学名:
COBALT(III) OXIDE BLACK
英語别名:
c.i.77323;COBALT BLACK;dicobaltoxide;cobaltperoxide;cobalttrioxide;Cobolt-3-oxide;Cobalt(Ⅲ)oxide;COBALTIC OXIDE;Cabalt trioxide;cobalitic oxide
CBNumber:
CB4291419
化学式:
Co2O3
分子量:
165.86
MOL File:
1308-04-9.mol

三二酸化コバルト,粉末 物理性質

融点 :
895 °C (dec.)(lit.)
比重(密度) :
6.11 g/mL at 25 °C(lit.)
貯蔵温度 :
Inert atmosphere,Room Temperature
外見 :
powder
水溶解度 :
insoluble H2O; soluble conc acids [HAW93]
EPAの化学物質情報:
Cobalt oxide (Co2O3) (1308-04-9)

安全性情報

主な危険性  Xn
Rフレーズ  36/37/38-40-43-22
Sフレーズ  26-36/37/39-36/37
WGK Germany  1
RTECS 番号 GG2500000

三二酸化コバルト,粉末 価格

メーカー 製品番号 製品説明 CAS番号 包装 価格 更新時間 購入

三二酸化コバルト,粉末 化学特性,用途語,生産方法

説明

Neither the oxide Co2O3 nor the hydroxide Co(OH)3 is definitely established. The oxidation of cobalt(II) hydroxide in aqueous suspension with, for example, peroxides, or the destruction of a cobalt(III) complex with alkali gives a brown or black powder Co2O3.aq which upon drying at 150° yields the monohydrate Co2O3.H2O; this is probably best formulated as CoO(OH). When heated further in attempts to dehydrate it, the "monohydrate" begins to evolve oxygen (as well as water) at 300° with the formation of black Co3O4. When heated to 100° in air cobalt(II) hydroxide is converted to dark brown CoO(OH).

化学的特性

Steel-gray or black powder.Soluble in concentrated acids; insoluble in water.

物理的性質

Grayish black powder; density 5.18 g/cm3; decomposes at 895°C; insoluble in water; soluble in concentrated mineral acids.

使用

Cobaltic oxide (Co2O3) is also known as cobalt oxide or cobalt black. It is dark gray to black and is used in pigments, ceramic glazes, and semiconductors.

使用

Pigment, coloring enamels, glazing pottery.

定義

Sometimes incorrectly called cobalt peroxide.

製造方法

Cobalt(III) oxide is prepared by heating cobalt compounds at low temperatures in air.

安全性プロファイル

: Moderately toxic by intraperitoneal and subcutaneous routes. Questionable carcinogen. Violent reaction with hydrogen peroxide. The oxide increases the sensitivity of nitroalkanes (e.g., nitromethane, nitroethane, and 1 nitropropane) to heat or detonation. See also COBALT COMPOUNDS.

三二酸化コバルト,粉末 上流と下流の製品情報

原材料

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三二酸化コバルト,粉末 生産企業

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1308-04-9(三二酸化コバルト,粉末)キーワード:


  • 1308-04-9
  • dicobalttrioxide
  • Cabalt trioxide
  • COBALT(III) OXIDE R. G., FOR THE DETERMI NATION OF SULFUR
  • COBALT(III) OXIDE BLACK, PURE
  • Cobalt(Ⅱ,Ⅲ)oxide
  • Cobaltic oxide monohydrate
  • BLACKCOBALTICOXIDE
  • cobalt(iii)oxide
  • cobaltoxide(co2o3)
  • cobaltperoxide
  • cobaltsesqioxide
  • cobalttrioxide
  • dicobaltoxide
  • COBALT(III) OXIDE BL
  • Cobolt-3-oxide
  • cobalitic oxide
  • BLACK COBALT OXIDE
  • COBALT SESQUIOXIDE
  • COBALT OXIDE, GRAY
  • COBALT TETRAOXIDE
  • COBALT(II,III) OXIDE
  • COBALT BLACK
  • Cobalt(Ⅲ)oxide
  • COBALT(+2,+3)OXIDE
  • COBALT(2,3) OXIDE
  • COBALTIC TETRAOXIDE
  • COBALTIC OXIDE
  • COBALT(II)-COBALT(III)-OXIDE
  • COBALT(III) OXIDE BLACK
  • c.i.77323
  • 酸化コバルト(III)
  • 四酸化三コバルト
  • コバルト(II,III)オキシド
  • 三二酸化コバルト
  • 酸化第二コバルト
  • 三二酸化コバルト,粉末
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