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クエン酸トリナトリウム

クエン酸トリナトリウム 化学構造式
68-04-2
CAS番号.
68-04-2
化学名:
クエン酸トリナトリウム
别名:
シトナチン;輸血用チトラミン;2-ヒドロキシ-1,2,3-プロパントリカルボン酸トリナトリウム;くえん酸三ナトリウム;シトロソジン;シトロソジナ;2-ヒドロキシ-1,2,3-プロパントリカルボン酸三ナトリウム;クエン酸ナトリウム;シトレーム;ナトロシトラール;くえん酸トリナトリウム;トリナトリウム=2ヒドロキシ1,2,3プロパントリカルボキシラト;クエン酸Na;くえん酸三ナトリウム,無水;トリナトリウム シトラート;くえん酸三ナトリウム(無水);クエン酸 三ナトリウム塩;クエン酸濃縮液
英語化学名:
Sodium citrate
英語别名:
citreme;abs9132;citnatin;FEMA 3026;citrosodna;citrosodina;citrosodine;natrocitral;SODIUM CITRATE;BUFFER SOLUTION
CBNumber:
CB7360958
化学式:
C6H9NaO7
分子量:
216.12
MOL File:
68-04-2.mol

クエン酸トリナトリウム 物理性質

融点 :
300°C
比重(密度) :
1.008 g/mL at 20 °C
FEMA :
3026 | SODIUM CITRATE
貯蔵温度 :
2-8°C
外見 :
Liquid
色:
White to off-white
PH:
7.0-8.0
水溶解度 :
Soluble in water.
Sensitive :
Hygroscopic
極大吸収波長 (λmax):
λ: 260 nm Amax: ≤0.1
InChIKey:
HRXKRNGNAMMEHJ-UHFFFAOYSA-K
CAS データベース:
68-04-2(CAS DataBase Reference)
EPAの化学物質情報:
Trisodium citrate (68-04-2)

安全性情報

主な危険性  Xi,C
Rフレーズ  22-40-48/20/22-41-37/38-36-35
Sフレーズ  36-24/25-39-26-45-36/37/39
WGK Germany  2
RTECS 番号 GE8300000
34
TSCA  Yes
HSコード  29181500
有毒物質データの 68-04-2(Hazardous Substances Data)
毒性 LD50 in rats, mice (mmol/kg): 6.0, 5.5 i.p. (Gruber, Halbeisen)

クエン酸トリナトリウム 価格 もっと(17)

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) W01COBQE-2238 クエン酸ナトリウム
Sodium citrate
68-04-2 5g ¥3600 2021-03-23 購入
富士フイルム和光純薬株式会社(wako) W01COBQE-2238 クエン酸ナトリウム
Sodium citrate
68-04-2 25g ¥5400 2021-03-23 購入
Sigma-Aldrich Japan C3674 クエン酸 三ナトリウム塩 anhydrous, ≥98% (GC)
Citric acid trisodium salt anhydrous, ≥98% (GC)
68-04-2 100g ¥2920 2021-03-23 購入
Sigma-Aldrich Japan 83273 クエン酸濃縮液 BioUltra, for molecular biology, 1?M in H2O
Citrate Concentrated Solution BioUltra, for molecular biology, 1?M in H2O
68-04-2 250ml-f ¥9800 2018-12-25 購入
Sigma-Aldrich Japan 83273 BioUltra, for molecular biology, 1?M in H2O
Citrate Concentrated Solution BioUltra, for molecular biology, 1?M in H2O
68-04-2 250 mL ¥10100 2021-03-23 購入

クエン酸トリナトリウム MSDS


2-Hydroxy-1,2,3-propanetricarboxylic acid trisodium salt

クエン酸トリナトリウム 化学特性,用途語,生産方法

外観

白色の顆粒

定義

本品は、クエン酸(*)のナトリウム塩であり、次の化学式で表される。
参照表示名称:クエン酸

溶解性

水に易溶。エタノールに不溶。水に溶けやすい。

解説

抗凝血剤。クエン酸塩が血液凝固の第Ⅳ因子であるカルシウムイオンと結合し、解離度の低いクエン酸カルシウムとなるため、血液凝固阻止作用を現す。無色の結晶または白色の結晶性粉末で、においはなく清涼な塩味を有する。10%水溶液は輸血用に、3.8%水溶液は赤血球沈降速度測定のために用いられる。このほか、保存血液および人血漿(けっしょう)用には本剤にクエン酸、リン酸二水素ナトリウム、ブドウ糖を配合したCPD液などが用いられている。[幸保文治]
小学館 日本大百科全書(ニッポニカ) )

用途

pH緩衝剤、医薬品原料、写真材料。

化粧品の成分用途

pH調整剤、キレート剤、緩衝剤、香料

効能

アルカリ化薬

説明

Sodium citrate may refer to any of the sodium salts of citric acid (though most commonly the third):
Mono sodium citrate
Di sodium citrate
Tri sodium citrate
As food additives, the 3 forms of the salt are also collectively known by the E number E331.

説明

Trisodium citrate has the chemical formula of Na3C6H5O7.It is some times referred to simply as sodium citrate, though sodium citrate can refer to any of the three sodium salts of citric acid. It possesses a saline, mildly tart flavor. For this reason, citrates of certain alkaline and alkaline earth metals (e.g. sodium and calcium citrates) are commonly known as "sour salt" (occasionally citric acid is erroneously termed sour salt).

化学的特性

White to off-white crystalline powder

化学的特性

Sodium citrate is odorless and has a pleasant, acid taste. Sodium citrate is anhydrous or contains two molecules of water of crystallization

天然物の起源

Citric acid and its salts occur naturally in many plants and animals.

使用

Alkalizer (systemic).

使用

sodium citrate may be used in cosmetic formulations as an alkalizer and to bind trace metals in solutions (by means of a chelating action). It is the sodium salt of citric acid.

使用

Sodium Citrate is a buffer and sequestrant obtained from citric acid as sodium citrate anhydrous and as sodium citrate dihydrate or sodium citrate hydrous. the crystalline products are prepared by direct crystallization from aqueous solutions. sodium citrate anhy- drous has a solubility in water of 57 g in 100 ml at 25°c, while sodium citrate dihydrate has a solubility of 65 g in 100 ml at 25°c. it is used as a buffer in carbonated beverages and to control ph in preserves. it improves the whipping properties in cream and pre- vents feathering of cream and nondairy coffee whiteners. it pro- vides emulsification and solubilizes protein in processed cheese. it prevents precipitation of solids during storage in evaporated milk. in dry soups, it improves rehydration which reduces the cooking time. it functions as a sequestrant in puddings. it functions as a complexing agent for iron, calcium, magnesium, and aluminum. typical usage levels range from 0.10 to 0.25%. it is also termed trisodium citrate.

使用

Trisodium Citrate is a buffer and sequestrant that is the trisodium salt of citric acid. see sodium citrate.

使用

Sodium citrate is also known as citrate of soda, the white crystals or granular powder was obtained by neutralizing citric acid with sodium carbonate. It is soluble in water but less so in alcohol. Sodium citrate was used as a preservative in albumen papers.

製造方法

Produced by the neutralization of citric acid with sodium hydroxide or sodium carbonate. May be prepared in an anhydrous state or may contain 2 mole of water per mole of sodium citrate.

主な応用

2 – 1 - Food
Sodium citrate is chiefly used as a food additive E331, usually for flavor or as a preservative. Sodium citrate is employed as a flavoring agent in certain varieties of club soda. Sodium citrate is common as an ingredient in Bratwurst, and is also used in commercial ready to drink beverages and drink mixes, contributing a tart flavour.
2 – 2 - Buffer
As a conjugate base of a weak acid, citrate can perform as a buffering agent or acidity regulator, resisting changes in pH. Sodium citrate is used to control acidity in some substances, such as gelatin desserts. It can be found in the mini milk containers used with coffee machines. The compound is the product of antacids, such as Alka- Seltzer, when they are dissolved in water.
2 – 3 - Medical uses
In 1914, the Belgian doctor Albert Hustin and the Argentine physician and researcher Luis Agote successfully used sodium citrate as an anticoagulant in blood transfusions. It continues to be used today in blood collection tubes and for the preservation of blood in blood banks. The citrate ion chelates calcium ions in the blood by forming calcium citrate complexes, disrupting the blood clotting mechanism.
Sodium citrate is used to relieve discomfort in urinary tract infections, such as cystitis, to reduce the acidosis seen in distal renal tubular acidosis, and can also be used as an osmotic laxative. It is a major component of the WHO Oral Rehydration Solution.

食品添加物

Sodium citrate is some times used as an acidity regulator in drinks, and also as an emulsifier for oils when making cheese. It allows the cheeses to melt with out becoming greasy. Consider the following quote from Modernist Cuisine:
Our modernist version of mac and cheese owes its chemistry to James L. Kraft, who in 1916 patented the first American cheese slice. He showed that sodium phosphate keeps the water and fat droplets mixed when the cheese is melted. We use sodium citrate, which has the same effect and is easier to find. The resulting texture is as smooth as melted American cheese, but as complex and intense in flavor as any of your favorite cheeses.

純化方法

Crystallise the salt from warm water by cooling to 0o. [Beilstein 3 III 1100, 3 IV 1274.]

クエン酸トリナトリウム 上流と下流の製品情報

原材料

準備製品


クエン酸トリナトリウム 生産企業

Global( 412)Suppliers
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68-04-2(クエン酸トリナトリウム)キーワード:


  • 68-04-2
  • Citric acidsodiuM,anhydrous
  • 1,2,3-Propanetricarboxylicacid, 2-hydroxy-, sodiuM salt (1:3)
  • Citric acid trisodium salt Vetec(TM) reagent grade, 98%
  • food additive sodium citrate
  • CITRIC ACID TRISODIUM SALT, ANHYDROU
  • CITRIC ACID TRISODIUM SALT, VETEC
  • 1,2,3-Propanetricarboxylicacid,2-hydroxy,trisodiumsalt
  • 1,2,3-propanetricarboxylicacid2hydroxy-trisodiumsalt
  • 2,3-propanetricarboxylicacid,2-hydroxy-trisodiumsalt
  • TRI-SODIUM CITRATE
  • citnatin
  • citreme
  • BUFFER SOLUTION
  • FEMA 3026
  • CITRATE BUFFERED SOLUTION
  • 2-hydroxy-1,2,3-propanetricarboxylic acid trisodium salt
  • Sodium Citrate Tribasic solution 1 M inwater
  • SODIUM CITRATE SOLUTION ASEPTICALLY*FILL ED
  • CITRIC ACID TRISODIUM
  • Tri-SodiumCitrateGr
  • CitricAcid,SodiumSalt,Anhydrous
  • CitricAcid,TrisodiumSalt,A.R.
  • Tri-SodiumCitrateExtraPure
  • Tri-SodiumCitrateForMolecularBiology
  • CitricAcid,TrisodiumSalt,>99%
  • Trisodiumcitrateanhydrous
  • Sodium citrate (tribasic), anhydrous
  • citrate concentrated solution
  • SODIUMCITRATE(HYDRATE)
  • SODIUMCITRATE,ANHYDROUS,POWDER,FCC
  • シトナチン
  • 輸血用チトラミン
  • 2-ヒドロキシ-1,2,3-プロパントリカルボン酸トリナトリウム
  • くえん酸三ナトリウム
  • シトロソジン
  • シトロソジナ
  • 2-ヒドロキシ-1,2,3-プロパントリカルボン酸三ナトリウム
  • クエン酸ナトリウム
  • シトレーム
  • ナトロシトラール
  • くえん酸トリナトリウム
  • トリナトリウム=2ヒドロキシ1,2,3プロパントリカルボキシラト
  • クエン酸Na
  • くえん酸三ナトリウム,無水
  • トリナトリウム シトラート
  • くえん酸三ナトリウム(無水)
  • クエン酸 三ナトリウム塩
  • クエン酸濃縮液
  • 抗凝固薬
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