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アルギン酸カリウム

アルギン酸カリウム 化学構造式
9005-36-1
CAS番号.
9005-36-1
化学名:
アルギン酸カリウム
别名:
アルギン酸カリウム;アルギン酸K
英語化学名:
POTASSIUM ALGINATE
英語别名:
E 402;kelmar;KF 200S;SKAT-K 1;HSDB 1912;SKAT-K-ULV;stercofuge;Kimica Algin K;kelmarimproved;Kari Algin K 3
CBNumber:
CB9725092
化学式:
C12H16K2O13
分子量:
446.44424
MOL File:
9005-36-1.mol

アルギン酸カリウム 物理性質

溶解性:
Potassium alginate is soluble in water, dissolving to form a viscous hydrophilic colloidal solution. It is insoluble in ethanol (95%) and in hydroalcoholic solutions in which the alcohol content is greater than 30% by weight; also insoluble in chloroform, ether, and acids having a pH lower than about 3. When preparing solutions of potassium alginate it is important to ensure proper dispersion of the particles, as poor dispersion will lead to the formation of large lumps of unhydrated powder and significantly extended hydration times.
EPAの化学物質情報:
Alginic acid, potassium salt (9005-36-1)

安全性情報

HSコード  3913100000
有毒物質データの 9005-36-1(Hazardous Substances Data)

アルギン酸カリウム 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

アルギン酸カリウム 化学特性,用途語,生産方法

定義

本品は、アルギン酸(*)のカリウム塩である。参照表示名称:アルギン酸

化粧品の成分用途

結合剤、親水性増粘剤、乳化安定剤

化学的特性

Occurs in filamentous, grainy, granular, and powdered forms. It is colorless or slightly yel- low and may have a slight characteristic smell and taste. Slowly soluble in water, forming a viscous solution; insoluble in alcohol.

化学的特性

Potassium alginate occurs as a white to yellowish, fibrous or granular powder; it is almost odorless and tasteless.

使用

Potassium Alginate is a gum that is the potassium salt of alginic acid. It is soluble in cold water, forming a viscous colloidal solution. It functions as a stabilizer, thickener, and gelling agent. It is used in dietetic foods, low-sodium foods, dry mixes, and dental impression material. Typical usage levels range from 0.05 to 0.50%.

使用

Thickening agent and stabilizer in dairy prod- ucts, canned fruits, and sausage casings; emulsifier. See alginic acid.

定義

Hydrophilic colloid having a molecular weight of 32,000–250,000.

調製方法

Alginate obtained from brown seaweed is subjected to demineralization, extraction, and precipitation of alginic acid. Following neutralization, the potassium alginate obtained is dried and milled.

応用例(製薬)

Potassium alginate is widely used in foods as a stabilizer, thickener, and emulsifier; however, its use as a pharmaceutical excipient is currently limited to experimental hydrogel systems. The viscosity, adhesiveness, elasticity, stiffness, and cohesiveness of potassium alginate hydrogels have been determined and compared with values from a range of other hydrogel-forming materials.The effect of calcium ions on the rheological properties of procyanidin hydrogels containing potassium alginate and intended for oral administration has also been investigated.

安全性

Potassium alginate is widely used in food products. It is currently used as an excipient only in experimental pharmaceutical formulations.

貯蔵

In the solid state, potassium alginate is a stable material that is not prone to microbial spoilage. Over time, a slow reduction in the degree of polymerization can occur, which may be reflected in a reduction in the viscosity of solutions. As both temperature and moisture can impair the performance of potassium alginate, storage below 25°C is recommended.
Potassium alginate solutions are stable at pH 4–10; long-term storage outside this range can result in depolymerization of the polymer through hydrolysis. Gelation or precipitation of the alginate can occur at pH values less than 4. Liquid or semisolid alginate formulations should be preserved: suitable preservatives are sodium benzoate, potassium sorbate, or parabens.
Potassium alginate should be stored under cool, dry conditions in a well-closed container.

不和合性

Incompatible with strong oxidizers.

規制状況(Regulatory Status)

GRAS listed. Accepted for use in foods in the USA and Europe.

アルギン酸カリウム 上流と下流の製品情報

原材料

準備製品


アルギン酸カリウム 生産企業

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