酸化銅（ＩＩ）

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Warning

• 危険有害性情報

  H410：長期的影響により水生生物に非常に強い毒性

• 注意書き

  P273：環境への放出を避けること。

  P391：漏出物を回収すること。

  P501：内容物/容器を．．．に廃棄すること。

酸化銅（ＩＩ） 価格

MSDS Information

• Cupric oxide

酸化銅（ＩＩ） 化学特性,用途語,生産方法

• 外観

  灰黒色の線状

• 溶解性

  水, アルコールに不溶。希酸, アンモニアに可溶。希硝酸に溶けやすく、アンモニア水に徐々に溶ける。また、水及びエタノールに溶けない。

• 解説

  CuO．天然に黒銅鉱として産するように黒色の無定形粉末．緑青色顔料として陶磁器・ガラスの着色剤として使われる．

• 用途

  フェライト?ガラス着色剤?窯業釉薬?医薬?農薬?木材防腐剤原料,触媒,半導体素子,メッキ薬 (NITE CHRIP)

• 用途

  顔料、触媒、ガラス及び陶器の着色、他の銅化合物の原料。

• 用途

  元素分析装置カラム充填剤。

• 用途

  酸化剤、触媒。

• 用途

  高純度金属化合物。

• 使用上の注意

  純度は金属ベースで差数法によって算出したもので、重量又は容量分析等の化学的方法によるものではありません。使用目的により、正確な含量が必要な場合は、それらの方法によって測定する必要があります。

• 説明

  Copper(II) oxide or cupric oxide is an inorganic compound with the formula CuO. A black solid, it is one of the two stable oxides of copper, the other being Cu2O or copper(I) oxide (cuprous oxide). As a mineral, it is known as tenorite. It is a product of copper mining and the precursor to many other copper-containing products and chemical compounds.Mainly used in wood preservatives, ceramics, and mineral supplements for animal feed.
  Copper(II) oxide nanoparticles (NPCuO) have industrial applications as antimicrobial agents in textiles and paints, and catalysts in organic synthesis. They may also be produced from electronic wastes. Cupric oxide poses potential health and environmental concern due to toxic and mutagenic particles generating reactive oxygen species.

• 化学的特性

  Black fine free powder

• 使用

  Cupric Oxide can be used as a dietary ingredient and as a nutrient. Copper aids in the absorption of iron, in the formation of red blood cells and the proper bone formation and maintenance.
  As pigment in glass, ceramics, enamels, porcelain glazes, artificial gems; in manufacture of rayon, other Cu Compounds; in sweetening petroleum gases; in galvanic electrodes; as flux in metallurgy; in correcting Cu deficiencies in soil; as optical-glass polishing agent; in antifouling paints, pyrotechnic compositions; as exciter in phosphor mixtures; as catalyst for organic reactions; in high tempereture superconductors.

• 定義

  A black solid prepared by the action of heat on copper(II) nitrate, hydroxide, or carbonate. It is a basic oxide and reacts with dilute acids to form solutions of copper(II) salts. Copper(II) oxide can be reduced to copper by heating in a stream of hydrogen or carbon monoxide. It can also be reduced by mixing with carbon and heating the mixture. Copper(II) oxide is stable up to its melting point, after which it decomposes to give oxygen, copper(I) oxide, and eventually copper.

• 反応性

  Copper(II) oxide dissolves in mineral acids such as hydrochloric acid, sulfuric acid or nitric acid to give the corresponding copper(II) salts:
  CuO + 2 HNO3 → Cu(NO3)2 + H2O
  CuO + 2 HCl → CuCl2 + H2O
  CuO + H2SO4 → CuSO4 + H2O
  It reacts with concentrated alkali to form the corresponding cuprate salts:
  2 MOH + CuO + H2O → M2[Cu(OH)4]
  It can also be reduced to copper metal using hydrogen, carbon monoxide, or carbon:
  CuO + H2 → Cu + H2O
  CuO + CO → Cu + CO2
  2 CuO + C → 2Cu + CO2
  When cupric oxide is substituted for iron oxide in thermite the resulting mixture is a low explosive, not an incendiary.

• 利点

  Cupric oxide is an oxide of the mineral copper. It is an essential element needed by the body to perform a host of functions.
  Cupric oxide is used by specific enzymes to help in the production of energy, to create collagen and elastin, to metabolize iron, and in many functions of the brain and central nervous system. Cupric oxide is found in health supplements such as vitamins and health aid treatments.
  Copper is a mineral that is needed in the body in small doses but has the ability to become toxic at high levels. Additional supplements of copper beyond what you should get in your normal diet should be discussed with a doctor.

• 一般的な説明

  Copper oxides (Cu₂O, CuO) are p-type semiconductor materials with small band gap energy. High physical and chemical stability of metal oxide nanoparticles renders them extremely useful in catalytic applications.The structures of the compounds are monoclinic. Nanoscaled copper oxide compounds can be prepared by thermal plasma technology. A study reports its antimicrobial properties.

• 健康ハザード

  Exposures to copper fume cause fever, chills, muscle aches, nausea, dry throat, coughing, weakness, lassitude, irritation to the eyes, nose, throat, skin, upper respiratory tract, chest tightness, nose bleed, edema, and lung damage. Symptoms of copper fume poisoning also include metallic or sweet taste, skin itching, skin rash, skin allergy, and a greenish color to the skin, teeth, and hair. Workers have increased risk of Wilson’s disease.

• 予防処置

  Occupational workers should use protective clothing, such as suits, gloves, footwear, and headgear, and promptly change the contaminated clothing/work dress. Workers should not eat, smoke, or drink where copper dust or powder is handled, processed, or stored. Workers should wash hands carefully before eating, drinking, smoking, or using the toilet. The workplace should have a vacuum or a wet method facility to reduce the metal dust during cleanup

• 参考文献

  S. Åsbrink, L.-J. Norrby, Acta Crystallogr., Sect. B, 26, 8 (1970), DOI: 10.1107/S0567740870001838.

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