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炭酸カリウム

炭酸カリウム 化学構造式
584-08-7
CAS番号.
584-08-7
化学名:
炭酸カリウム
别名:
炭酸カリウム [一般有機合成用];炭酸ジカリウム;炭酸二カリウム;炭酸カリウム,3N5;カリウム カボネト;炭酸K;炭酸カリウム(微粉末);炭酸カリウム ACS REAGENT,≥99.0%;炭酸カリウム BIOXTRA,≥99.0%;炭酸カリウム PURISS. P.A.,ACS REAGENT,ANHYDROUS,≥99.0% (T);炭酸カリウム PURUM P.A.,ANHYDROUS,≥99.0% (T);炭酸カリウム REAGENT GRADE,≥98%,POWDER,-325 MESH;炭酸カリウム REAGENTPLUS,99%;炭酸カリウム(無水);炭酸カリウム (AS);炭酸カリウム, 無水;炭酸カリウム (GRANULAR);炭酸カリウム、微細粉末;炭酸カリウム, 99.9%;炭酸カリウム, 無水, 99%
英語化学名:
Potassium carbonate
英語别名:
K2CO3;K-Gran;POTASH;PEARL ASH;Pearl dust;Sal absinthii;Kaliumcarbonat;SALT OF TARTAR;alt of wormwood;Montreal potash
CBNumber:
CB4853879
化学式:
K2CO3
分子量:
138.21
MOL File:
584-08-7.mol

炭酸カリウム 物理性質

融点 :
891 °C(lit.)
沸点 :
decomposes [STR93]
比重(密度) :
2.43 g/mL at 25 °C
貯蔵温度 :
Store at RT.
溶解性:
H2O: 1 M at 20 °C, clear, colorless
外見 :
powder
色:
Yellow
比重:
2.29
PH:
11.5-12.5 (50g/l, H2O, 20℃)
水溶解度 :
1120 g/L (20 ºC)
極大吸収波長 (λmax):
λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.02
Sensitive :
Hygroscopic
Merck :
14,7619
BRN :
4267587
安定性::
Stable. Incompatible with moisture, acids, magnesium bromine trifluoride and magnesium bromine trichloride.
CAS データベース:
584-08-7(CAS DataBase Reference)
NISTの化学物質情報:
Dipotassium carbonate(584-08-7)
EPAの化学物質情報:
Potassium carbonate (584-08-7)
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  Xn
Rフレーズ  22-36/37/38-20/21/22
Sフレーズ  26-36-37/39
RIDADR  3262
WGK Germany  1
RTECS 番号 TS7750000
3
TSCA  Yes
容器等級  III
HSコード  28364000
有毒物質データの 584-08-7(Hazardous Substances Data)
毒性 LD50 orally in rats: 1.87 g/kg, H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 30, 470 (1969)
化審法 (1)-153 届出不要化学物質
絵表示(GHS)
注意喚起語 Warning
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
H302 飲み込むと有害 急性毒性、経口 4 警告 P264, P270, P301+P312, P330, P501
H315 皮膚刺激 皮膚腐食性/刺激性 2 警告 P264, P280, P302+P352, P321,P332+P313, P362
H319 強い眼刺激 眼に対する重篤な損傷性/眼刺激 性 2A 警告 P264, P280, P305+P351+P338,P337+P313P
H335 呼吸器への刺激のおそれ 特定標的臓器毒性、単回暴露; 気道刺激性 3 警告
注意書き
P261 粉じん/煙/ガス/ミスト/蒸気/スプレーの吸入を避ける こと。
P264 取扱い後は皮膚をよく洗うこと。
P264 取扱い後は手や顔をよく洗うこと。
P280 保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。
P304+P340 吸入した場合:空気の新鮮な場所に移し、呼吸しやすい 姿勢で休息させること。
P305+P351+P338 眼に入った場合:水で数分間注意深く洗うこと。次にコ ンタクトレンズを着用していて容易に外せる場合は外す こと。その後も洗浄を続けること。
P337+P313 眼の刺激が続く場合:医師の診断/手当てを受けること。
P405 施錠して保管すること。

炭酸カリウム 価格 もっと(81)

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) W01AFAA16625 炭酸カリウム, 無水, 99%
Potassium carbonate, anhydrous, 99%
584-08-7 500g ¥3870 2018-12-26 購入
富士フイルム和光純薬株式会社(wako) W01AFAA16625 炭酸カリウム, 無水, 99%
Potassium carbonate, anhydrous, 99%
584-08-7 2500g ¥15230 2018-12-26 購入
東京化成工業 P1748 炭酸カリウム >99.0%(T)
Potassium Carbonate >99.0%(T)
584-08-7 300g ¥1800 2018-12-04 購入
関東化学株式会社(KANTO) 32323-01 炭酸カリウム >99.5%(T)
Potassium carbonate >99.5%(T)
584-08-7 500g ¥1500 2018-12-13 購入
関東化学株式会社(KANTO) 32323-00 炭酸カリウム >99.5%(T)
Potassium carbonate >99.5%(T)
584-08-7 500g ¥4000 2018-12-13 購入

炭酸カリウム MSDS


Potassium carbonate

炭酸カリウム 化学特性,用途語,生産方法

外観

白色の粉末又は粒

定義

本品は、炭酸の二カリウム塩であり、次の化学式で表される。

溶解性

水に溶けやすく、エタノールにほとんど溶けない。

用途

高純度金属化合物。

用途

石鹸、ガラス、陶器、赤色顔料、各種カリウム塩の製造、; エッティング、リソグラフ、皮のなめしや仕上げ等の工程、 シャンプー、分析化学で有機溶剤の脱水、医薬品助剤(アルカリ化剤)

用途

食品添加物用。

化粧品の成分用途

pH調整剤

効能

アルカリ化剤

使用上の注意

吸湿性が強い

化学的特性

Potassium carbonate is a white, crystalline, salt that forms basic aqueous solutions used in the production of fertilizer, glass, ceramics, explosives, soaps, chemicals, and wool treatments. It was the main compound once referred to as potash, although the term today is not reserved exclusively for potassium carbonate, but for several potassium salts. In the fertilizer industry potash refers to potassium oxide, K2O, rather than potassium carbonate.Pearlash is a purer form of potash made by heating potash to remove impurities.

使用

Potassium carbonate is used for numerous applications. Its primary use is in the production of specialty glasses and ceramics. It is used to make optical glass, glass used for video screens in televisions and computers, and laboratory glassware. Its is used in certain glasses rather then cheaper sodium carbonate owing to its better compatibility with lead, barium, and strontium oxides incorporated in these glasses. These oxides lower the melting point of glass and produce a softer glass. Potassium carbonate has a higher refractive index than sodium carbonate producing a more brilliant glass. Potassium carbonate is a common flux combined with titanium dioxide to produce frits used in ceramics. A frit is a calcined mixture of fine silica, a pigment, and a flux that is ground a specific particle size and used to produce glazes, enamels, and additives in glass making.
Potassium carbonate is used in agriculture and food production. Potassium carbonate is used as a spray or drip fertilizer and also as a constituent of compound fertilizers. Its high water solubility and alkaline property make it useful for supplying potassium to acidic soils, especially in vineyards and orchards. Dutch-processed cocoa uses potassium carbonate as an alkalizing agent to neutralize the natural acidity of cocoa. It is used to produce food additives like potassium sorbate and monopotassium phosphate.
Potassium carbonate is used in the chemical industry as a source of inorganic potassium salts (potassium silicates, potassium bicarbonate), which are used in fertilizers, soaps, adhesives, dehydrating agents, dyes, and pharmaceuticals. Potassium carbonate used to make potassium lye produces soft soaps, which are liquids or semisolids rather than solids. Other uses of potassium carbonate includes use as a fire suppressant in extinguishers, as a CO2 absorbent for chemical processes and pollution control, an antioxidant in rubber additives, and in pharmaceutical formulations.

定義

ChEBI: A potassium salt that is the dipotassium salt of carbonic acid.

調製方法

The name potash comes fromthe traditional method of making potassium carbonate, which has been performed sinceancient times. Preparing potassium carbonate involved burning wood or other plant material,leaching the ashes in a wooden barrel covered on its bottom with straw, and then evaporatingor boiling away the water in the leachate in clay or iron pots to recover potassium and sodiumalkalis.

一般的な説明

An aqueous solution of potassium hydroxide. Corrosive to metals and tissue. Density 12.8 lb /gal. Used to make soaps, other potassium compounds, in liquid fertilizers.

空気と水の反応

Water soluble. Addition of water evolves heat.

反応プロフィール

Potassium carbonate neutralizes acids exothermically to form salts plus water. Reacts with certain metals (such as aluminum and zinc) to form oxides or hydroxides of the metal and generate gaseous hydrogen. May initiate polymerization reactions in polymerizable organic compounds, especially epoxides. May generate flammable and/or toxic gases with ammonium salts, nitrides, halogenated organics, various metals, peroxides, and hydroperoxides. May serve as a catalyst. Reacts when heated above about 84°C with aqueous solutions of reducing sugars other than sucrose, to evolve toxic levels of carbon monoxide [Bretherick, 5th Ed., 1995].

危険性

Solutions irritating to tissue.

健康ハザード

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

火災危険

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

农业用途

Potassium carbonate (K2C03) in solution form can be used as a liquid fertilizer. A limited quantity of the solid is used as a non-chloride form of potassium for tobacco.
Potassium carbonate is obtained from ash. It is made by electrolysis of potassium chloride. Potassium hydroxide on reaction with carbon dioxide gives potassium carbonate. Liquid carbonate contains about 50% potassium carbonate in water. The solid product, which contains over 70% potassium carbonate is fairly expensive and is of use in only limited types of acid soil. Neutralizing caustic potash with carbon dioxide gas also produces potassium carbonate.

安全性プロファイル

Poison by ingestion. A strong caustic. Incompatible with KCO, chlorine trifluoride, magnesium. Mutation data reported. When heated to decomposition it emits toxic fumes of K2O.

純化方法

It crystallises from water between 100o and 0o. The solubility in H2O is 105% at 0o, 127% at 60o and 205% at 135o (b of saturated solution). After two recrystallisations of technical grade material, it had B, Li and Fe at 1.0, 0.04 and 0.01 ppm, respectvely. [D.nges in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 987 1963.]

炭酸カリウム 上流と下流の製品情報

原材料

準備製品


炭酸カリウム 生産企業

Global( 455)Suppliers
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584-08-7(炭酸カリウム)キーワード:


  • 584-08-7
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  • 炭酸カリウム [一般有機合成用]
  • 炭酸ジカリウム
  • 炭酸二カリウム
  • 炭酸カリウム,3N5
  • カリウム カボネト
  • 炭酸K
  • 炭酸カリウム(微粉末)
  • 炭酸カリウム ACS REAGENT,≥99.0%
  • 炭酸カリウム BIOXTRA,≥99.0%
  • 炭酸カリウム PURISS. P.A.,ACS REAGENT,ANHYDROUS,≥99.0% (T)
  • 炭酸カリウム PURUM P.A.,ANHYDROUS,≥99.0% (T)
  • 炭酸カリウム REAGENT GRADE,≥98%,POWDER,-325 MESH
  • 炭酸カリウム REAGENTPLUS,99%
  • 炭酸カリウム(無水)
  • 炭酸カリウム (AS)
  • 炭酸カリウム, 無水
  • 炭酸カリウム (GRANULAR)
  • 炭酸カリウム、微細粉末
  • 炭酸カリウム, 99.9%
  • 炭酸カリウム, 無水, 99%
  • 炭酸カリウム (JP17)
  • 炭酸カリウム
  • 塩基&添加剤 (鈴木宮浦クロスカップリング)
  • 有機合成化学
  • 鈴木―宮浦クロスカップリング反応
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