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酢酸カリウム

酢酸カリウム 化学構造式
127-08-2
CAS番号.
127-08-2
化学名:
酢酸カリウム
别名:
ジウレト塩;酢酸カリウム;カリウム=アセタート;酢酸カリウム(無水);酢酸カリウム ACS REAGENT,≥99.0%;酢酸カリウム PURISS. P.A.,≥99% (過塩素酸 TITRATION);酢酸カリウム PURISS.,MEETS ANALYTICAL SPECIFICATION OF PH. EUR.,BP,E261,99-101%;酢酸カリウム REAGENTPLUS,≥99.0%;酢酸カリウム 溶液;酢酸カリウム (JAN)
英語化学名:
Potassium Acetate
英語别名:
Kac;KOAc;pharm;Disal;Mirfat;Rusyde;Diural;Frusid;Fulsix;Katlex
CBNumber:
CB8690168
化学式:
C2H3KO2
分子量:
98.14
MOL File:
127-08-2.mol

酢酸カリウム 物理性質

融点 :
292 °C
比重(密度) :
1.57 g/cm3 at 25 °C (lit.)
FEMA :
2920 | POTASSIUM ACETATE
屈折率 :
n20/D 1.370
闪点 :
>250℃
貯蔵温度 :
room temp
溶解性:
H2O: 1 M at 20 °C, clear, colorless
外見 :
Solid
色:
White to light brown
比重:
1.57
臭い (Odor):
Odorless
酸塩基指示薬変色域(pH):
7 - 9 at 98.2 g/l at 25 °C
PH:
7.5-8.5 (50g/l, H2O, 20℃)
水溶解度 :
2694 g/L (25 ºC)
Sensitive :
Hygroscopic
極大吸収波長 (λmax):
λ: 260 nm Amax: 0.04
λ: 280 nm Amax: 0.02
Hydrolytic Sensitivity:
0: forms stable aqueous solutions
Merck :
14,7605
BRN :
3595449
安定性::
Stability Deliquescent. Stable. Incompatible with strong oxidizing agents.
InChIKey:
SCVFZCLFOSHCOH-UHFFFAOYSA-M
CAS データベース:
127-08-2(CAS DataBase Reference)
NISTの化学物質情報:
Potassium acetate(127-08-2)
EPAの化学物質情報:
Potassium acetate (127-08-2)
安全性情報
  • リスクと安全性に関する声明
  • 危険有害性情報のコード(GHS)
主な危険性  Xi,T
Rフレーズ  36/37/38-25-23/24/25-21
Sフレーズ  26-36-24/25-45-36/37/39
WGK Germany  1
RTECS 番号 AJ3325000
Hazard Note  Hygroscopic
TSCA  Yes
HSコード  29159000
毒性 LD50 orally in rats: 3.25 g/kg, H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969)
絵表示(GHS)
注意喚起語
危険有害性情報
コード 危険有害性情報 危険有害性クラス 区分 注意喚起語 シンボル P コード
H303 飲み込むと有害のおそれ 急性毒性、経口 5 P312
注意書き

酢酸カリウム 価格 もっと(86)

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
富士フイルム和光純薬株式会社(wako) W01MAS091918 酢酸カリウム
Potassium acetate
127-08-2 100g ¥15100 2021-03-23 購入
富士フイルム和光純薬株式会社(wako) W01MAS091918 酢酸カリウム
Potassium acetate
127-08-2 500g ¥55100 2021-03-23 購入
関東化学株式会社(KANTO) 21710-1A 酢酸カリウム
Acetic acid, potassium salt, anhydrous
127-08-2 1kg ¥14600 2021-03-23 購入
関東化学株式会社(KANTO) 21710-2A 酢酸カリウム
Acetic acid, potassium salt, anhydrous
127-08-2 5kg ¥40900 2021-03-23 購入
Sigma-Aldrich Japan 95843 BioUltra, for molecular biology, 5?M in H2O
Potassium acetate solution BioUltra, for molecular biology, 5?M in H2O
127-08-2 250 mL ¥45100 2021-03-23 購入

酢酸カリウム MSDS


Acetic acid potassium salt

酢酸カリウム 化学特性,用途語,生産方法

外観

無色又は白色の結晶性の粉末

溶解性

水に易溶 (256g/100ml)。水に極めて溶けやすく、エタノールに溶けやすい。

用途

分子生物学研究用。

用途

調製液製造原料、医薬品製造原料。

用途

医薬品原料、染色助剤、有機合成原料

用途

医薬品原料、染色助剤、有機合成原料、金属表面処理剤、融雪剤、凍結防止剤。

効能

カリウム補充薬

使用上の注意

潮解性がある。

説明

Potassium acetate (CH3CO2K) is the potassium salt of acetic acid.

化学的特性

Pure potassium acetate is odorless or has a faint acetic odor and a saline taste.

化学的特性

Potassium acetate, KC2H302, is a white, deliquescent solid, soluble in water and alcohol, insoluble in ether, that melts at 292°C. It is used as an analytical reagent, dehydrating agent, in medicine, and in crystal glass manufacture.

使用

Potassium acetate is used in the manufacture of glass; as a softening agent for papers and textiles; as a dehydrating agent; and as a buffer. In medicine it is used as an expectorant and diuretic.

使用

Potassium acetate was originally used in the preparation of Cadet's fuming liquid, the first organometallic compound produced. It is used as diuretic and urinary alkaliser, and acts by changing the physical properties of the body fluids and by functioning as an alkali after absortion.

使用

1) Potassium acetate, crystalline powder, USP is, as its name suggests, the potassium salt of acetic acid and is used as a catalyst for producing polyurethanes2) In the food industry it is used as a food additive, an acidity regulator and a preservative

使用

Used as buffers.

製造方法

Potassium acetate is prepared by addition of potassium carbonate in a small volume of water to acetic acid solution, followed by evaporation and crystallization:
K2CO3+ 2CH3COOH →2CH3COOK + H2O

主な応用

Potassium acetate is used as a catalyst in the production of polyurethanes.
Potassium acetate can be used as a deicer instead of chloride salts such as calcium chloride or magnesium chloride. It offers the advantage of being less aggressive on soils and much less corrosive, and for this reason is preferred for airport runways. It is, however, more expensive. Potassium acetate is also the extinguishing agent used in class K fire extinguishers because of its ability to cool and form a crust over burning oils.
3 – 1 - Food additive
Potassium acetate is used as a food additive as a preservative and acidity regulator. In the European Union, it is labeled by the E number E261 ; it is also approved for usage in the USA and Australia and New Zealand. Potassium diacetate (CAS # 4251-29-0) with formula KH(O2CCH3)2 is a related food additive with the same E number as potassium acetate.
3 – 2 - Medicine and biochemistry
In medicine, potassium acetate is used as part of replacement protocols in the treatment of diabetic ketoacidosis because of its ability to break down into bicarbonate and help neutralize the acidotic state.
In molecular biology, potassium acetate is used to precipitate dodecyl sulfate (DS) and DS-bound proteins, allowing the removal of proteins from DNA. It is also used as a salt for the ethanol precipitation of DNA.

製造方法

Potassium Acetate can be prepared by treating a potassium-containing base such as potassium hydroxide or potassium carbonate with acetic acid:
2 CH3COOH + K2CO3→ 2 CH3CO2K + CO2 + H2O
This sort of reaction is known as an acid-base neutralization reaction. Potassium acetate is the salt that forms along with water as acetic acid and potassium hydroxide are neutralized together.
Conditions/substances to avoid are: moisture, heat, flames, ignition sources, and strong oxidizing agents.

定義

ChEBI: A potassium salt comprising equal numbers of potassium and acetate ions

酢酸カリウム 上流と下流の製品情報

原材料

準備製品


酢酸カリウム 生産企業

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127-08-2(酢酸カリウム)キーワード:


  • 127-08-2
  • Potassium acetate 99.98% trace metals basis, ~100 ppm Rb, <50 ppm Cs
  • Potassium acetate ACS reagent, >=99.0%
  • Potassium acetate anhydrous, free-flowing, Redi-Dri(TM), ACS reagent, >=99.0%
  • Potassium acetate puriss. p.a., >=99% (perchloric acid titration)
  • Potassium acetate puriss., meets analytical specification of Ph. Eur., BP, E261, 99-101%
  • Potassium acetate ReagentPlus(R), >=99.0%
  • Potassium acetate Vetec(TM) reagent grade, 99%
  • EPA608-PERFORMANCE CHECK SOLUTION
  • LINOLEIC ACID ULTRA PURE GRADE
  • EPA608-PESTICIDE MIX 2
  • KARL FISCHER REAGENT COMBINORM 5K
  • Macasirool
  • Mirfat
  • Octan draselny
  • octandraselny
  • Odemase
  • Oedemex
  • Pltassiumacetate
  • potassiumethanoate
  • Profemin
  • Rosemide
  • Rusyde
  • Sal diureticum
  • Trofurit
  • ACETIC ACID, POTASSIUM SALT
  • Potassium acetate anhydrous, free-flowing, Redi-Dri, ACS reagent, >=99.0%
  • POTASSIUM ACETATE, FOR MOLECULAR BIO
  • POTASSIUM ACETATE, MOLECULAR BIOLOGY
  • FEMA 2920
  • POTASSIUM ACETATE TS
  • ジウレト塩
  • 酢酸カリウム
  • カリウム=アセタート
  • 酢酸カリウム(無水)
  • 酢酸カリウム ACS REAGENT,≥99.0%
  • 酢酸カリウム PURISS. P.A.,≥99% (過塩素酸 TITRATION)
  • 酢酸カリウム PURISS.,MEETS ANALYTICAL SPECIFICATION OF PH. EUR.,BP,E261,99-101%
  • 酢酸カリウム REAGENTPLUS,≥99.0%
  • 酢酸カリウム 溶液
  • 酢酸カリウム (JAN)
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