基本情報
- CAS
21041-95-2- 標準SMILES
O.O.[Cd]- InChIKey
XIYPBSADJSJKMF-UHFFFAOYSA-N- 分子式
- CdH4O2
- 平均分子量
- 148.44 g/mol
- 単同位体質量
- 149.924494
概要
Cadmium hydroxide is a hydroxide of cadmium with the formula Cd(OH)2. It is used in storage battery anodes, in nickel-cadmium and silver-cadmium storage batteries, in cadmium plating, and to prepare other cadmium salts. Cadmium is a transition metal and chemical element with the symbol Cd and atomic number 48. It is found naturally in the earth's crust, though rarely on it's own. (L6, L468)
名称と識別子
- 優先名称
- Cadmium;dihydrate
- IUPAC
- cadmium;dihydrate
- 現地名
- ジヒドロキシカドミウム
- 英語名
- Cadmium hydroxide
- 分子式
- CdH2O2
- 分子量
- 146.43
名称と別名
cadmium;dihydrateMFCD00015995EINECS 244-168-5AI3-09097UNII-6Y413R87BTCadmium hydroxide, Cd 75% minAKOS015903076Cadmium hydroxide, 99.98% (metals basis)Cadmium hydroxide, 99.99% trace metals basisEC 244-168-5カドミウムジヒドロキシド水酸化カドミウム
名称をさらに表示
ジヒドロキシカドミウムCADMIUM HYDROXIDE, PURATRONIC®, 99.98% (METALS BASIS)水酸化カドミウム, Puratronic®, 99.98% (metals basis)カドミウムジオールCadmium hydrateCadmium hydroxideCadmium dihydoxidecadmiumdihydroxideCadmiumhydroxidePRSCADMIUM (II) HYDROXIDECADMIUM HYDROXIDE 98%Cadmium hydroxide, 99.98%CADMIUM HYDROXIDE, 99.99%Cadmium hydroxide, Cd 76%
データベース識別子
- CAS
21041-95-2
物性
構造計算による物性
- 極性表面積
- 2 Ų
- 水素結合供与体数
- 2
- 水素結合受容体数
- 2
- 回転可能結合数
- 0
- 重原子数
- 3
- 形式電荷
- 0
- 複雑度
- 2.8
物理化学的性質
- 融点
- 232 °C · 232 °C(lit.)
- 比重(密度)
- 4.79 g/mL · 4.79 g/mL at 25 °C(lit.)
- 溶解性
- 4 · 希酸、NH{4}Cl 溶液に可溶
- 外見
- 粉
- 比重
- 4.79 · 4.79
- 色
- white trigonal or hexagonal, hexane crystals, crystalline
- PH
- 9.36 · 9.36(1 mM solution);9.36(10 mM solution);9.36(100 mM solution)
- 水溶解度
- 0.026 g/100 · 希酸に可溶。水にわずかに溶けます。 0.026 g/100 mL。
- Merck
- 14 · 14,1620
- InChI
- 1S/Cd.2H2O/h;2*1H2/q+2;;/p-2
- InChIKey
- PLLZRTNVEXYBNA-UHFFFAOYSA-L
- SMILES
- O[Cd]O
- CAS データベース
- 21041 · 21041-95-2(CAS DataBase Reference)
- EPAの化学物質情報
- 2 · Cadmium hydroxide (Cd(OH)2) (21041-95-2)
化学的性質
化学的特性White powder
安全と法規制
安全情報は参考情報です。供給元の安全データシート（SDS）、適用法令、専門家による評価に代わるものではありません。
安全と保護具
Minimum Risk LevelAcute Inhalation: 0.00003 mg/m3 (L134)
Chronic Inhalation: 0.00001 mg/m3 (L134)
Intermediate Oral: 0.0005 mg/kg/day (L134)
Chronic Oral: 0.0001 mg/kg/day (L134)
毒性情報
TreatmentCadmium poisoning is treated by removal from exposure and supportive care. If ingested, induced vomiting or gastric lavage may be performed. (L139)
Health EffectsChronic exposure to cadmium fumes can cause chemical pneumonitis, pulmonary edema, and lung diseases such as bronchitis and emphysema. Cadmium also accumulates in the kidneys, causing permanent damage. Loss of bone density also occurs. (L6)
Exposure RoutesOral (L6) ; inhalation (L6) ; dermal (L6)
Toxicity Summary
Cadmium initially binds to metallothionein and is transported to the kidney. Toxic effects are observed once the concentration of cadmium exceeds that of available metallothionein, and it has also been shown that the cadmium-metallothionein complex may be damaging. Accumulation of cadmium in the kidney results in increased excretion of vital low and high weight molecular proteins. Cadmium is a high affinity zinc analog and can interfere in its biological processes. It also binds to and activates the estrogen receptor, likely stimulating the growth of certain types of cancer cells and causing other estrogenic effects, such as reproductive dysfunction. Cadmium causes cell apoptosis by activating mitogen-activated protein kinases. (L8, A18, A19, A28)
Signs and SymptomsAcute inhalation of cadmium fumes results in metal fume fever, which is characterized by chills, fever, headache, weakness, dryness of the nose and throat, chest pain, and coughing. Ingestion of cadmium causes vomiting and diarrhea. (L6)
Carcinogen Classification1, carcinogenic to humans. (L135)
化学と産業
薬理情報
Metabolism/Metabolites
Cadmium is absorbed from oral, inhalation, and dermal routes. Cadmium initially binds to metallothionein and albumin and is transported mainly to the kidney and liver. Toxic effects are observed once the concentration of cadmium exceeds that of available metallothionein, and it has also been shown that the cadmium-metallothionein complex may be damaging. Cadmium is not known to undergo any direct metabolic conversion and is excreted unchanged, mainly in the urine. (L6)
用途と製造
UsesCadmium hydroxide is used in storage battery anodes, in nickel-cadmium and silver-cadmium storage batteries, in cadmium plating, and to prepare other cadmium salts. (L468)
応用分野
解説水酸化カドミウム．カドミウム塩の水溶液にアルカリを加えると白色の沈殿として得られる．六方晶系，ヨウ化カドミウム型構造．密度4.79 g cm－3．加熱すると200 ℃ で分解する．酸に溶けるが，薄い塩基には溶けない．過剰のアンモニア水に溶けて [Cd(NH3)4]2＋ を生じる．ニッケル-カドミウム電池の負極材料に用いられる．
用途実験室用化学品での使用、電子、電気及び光学機器の製造のための使用
用途蓄電池電極、カドミウム化合物製造原料。
使用Cadmium hydroxide is used to prepare negative electrodes for cadmium-nickel batteries. It is a useful in biochemical for proteomics research. It may be used in cadmium plating and cadmium salt.
調製方法
製造方法Cadmium hydroxide may be precipitated by adding any cadmium salt solution to a boiling solution of caustic soda or caustic potash:CdCl2 + 2NaOH → Cd(OH)2 + 2NaCl.
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