塩化カルシウム二水和物 化学特性,用途語,生産方法
外観
白色の粒又は塊
定義
本品は、カルシウムの塩化物であり、次の化学式で表される。
溶解性
水に易溶 (59.5g (無水)/100g水, 0℃)。エタノールに可溶。水に溶けやすく、エタノールにやや溶けやすい。
用途
乾燥剤、凍結防止
用途
汎用試薬。
用途
食品の製造、加工、カルシウムの増強剤。
用途
医薬品、製剤原料。
用途
高純度金属化合物。
化粧品の成分用途
親水性増粘剤、収れん剤
効能
低カルシウム血症治療薬, カルシウム補充薬
商品名
塩化Ca (大塚製薬工場); 塩化カルシウム (ニプロ); 塩化カルシウム (山善製薬); 大塚塩カル (大塚製薬工場)
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。潮解性あり
化学的特性
Calcium chloride is a colorless to off-white
crystalline solid which is deliquescent (absorb water).
When heated, crystals lose water @ 100C.
使用
Calcium chloride dihydrate is widely used as an ingredient in ceramic slipware, cosmetic and food items. It acts as a pH buffer in swimming pool water. It provides inhibition of swelling clays in the water phase of invert emulsion drilling fluids. It is employed in the oil industry to increase the density of solids-free brines. It is used as a flux in the Davy process for the manufacture of sodium through the electrolysis of molten sodium chloride. It finds an important application as an additive in plastics, fire extinguishers, blast furnaces and in wastewater treatment as a drainage aid.
定義
ChEBI: A hydrate that is the dihydrate form of calcium chloride.
生物学の機能
Calcium chloride is a commonly used reagent in biochemistry. Calcium plays important roles in many biological processes, including signal transduction, muscle contraction, and maintenance of cell membrane and cell wall stability.Extensive reviews of the experimental measurement of biological calcium have been published.
Calcium chloride is used in the preparation and transformation of competent E. coli and in the transfection of eukaryotic cells with either plasmid DNA or high molecular weight genomic DNA.The CaCl2-mediated electroporation of E. coli with the plasmid DNA pBR322 has been studied.A protocol for the concentration of virus vectors that uses CaCl2 has been published.
CaCl2 has been used in the stabilization and twodimensional crystallization of the NADH-ubiquinone oxidoreductase (complex I) from Escherichia coli. The crystallization of porcine pancreatic elastase in the presence of CaCl2 in the presence of sodium citrate reveals binding of calcium in the metal binding site of the protein.The effect of CaCl2 on the total fluorescence in the polymerication of the tubulin-like FtsZ division protein of Escherichia coli has been studied by a multiwell fluorescent assay.
一般的な説明
ACS Reagent Grade.
職業ばく露
Calcium chloride is used as road salt
for melting snow, a drying agent in desiccators, for dehydrating organic liquids and gases, in refrigeration brines
and antifreeze, as a dust-proofing agent, food additives,
concrete hardening accelerator, and others. May react with
strong oxidizers.
輸送方法
There are no label or maximum shipping quantity requirements set by DOT.
純化方法
Crystallise it from ethanol. It is hygroscopic. It loses H2O at 200o so it can be dried at high temperatures to dehydrate it. The hexahydrate [7774-34-7] has m 30o and d 1.67.
不和合性
The solution in water is a weak base.
Reacts with zinc in presence of moisture, forming highlyflammable hydrogen gas. Dissolves violently in water
with generation of much heat. Incompatible with water,
bromine trifluoride; 2-furan, percarboxylic acid. May
attack some building materials and metals in the presence
of moisture.
塩化カルシウム二水和物 上流と下流の製品情報
原材料
準備製品