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酢酸ナトリウム

酢酸ナトリウム 化学構造式
127-09-3
CAS番号.
127-09-3
化学名:
酢酸ナトリウム
别名:
酢酸ナトリウム [一般有機合成用];ナトリウムアセタート;酢酸Na;酢酸イオン標準液;0.2MOL/L 酢酸ナトリウム溶液;10W/V% 酢酸ナトリウム溶液;1MOL/L(1N) 酢酸ナトリウム溶液;2W/V% 酢酸ナトリウム溶液;酢酸ナトリウム ACS REAGENT,≥99.0%;酢酸ナトリウム ANHYDROUS;酢酸ナトリウム ANHYDROUS,FREE-FLOWING,REDI-DRITM,ACS REAGENT,≥99.0%;酢酸ナトリウム FOR HPLC,≥99.0%;酢酸ナトリウム TRACESELECT,FOR TRACE ANALYSIS,≥99.999% (METALS BASIS),ANHYDROUS;酢酸ナトリウム(無水);酢酸ナトリウム, 無水;酢酸ナトリウム 溶液;酢酸ナトリウム
英語化学名:
Sodium acetate
英語别名:
FEMA 3024;octansodny;NA ACETATE;sodiiacetas;Octan sodny;Natriumacetat;MAGGRAN(R) NA;femanumber3024;SODIUM ACETATE;MAGNESIA 87844
CBNumber:
CB1230044
化学式:
C2H3NaO2
分子量:
82.03379
MOL File:
127-09-3.mol

酢酸ナトリウム 物理性質

融点 :
>300 °C (dec.)(lit.)
比重(密度) :
1.01 g/mL at 20 °C
屈折率 :
1.4640
FEMA :
3024 | SODIUM ACETATE
闪点 :
>250 °C
貯蔵温度 :
Store at +5°C to +30°C.
溶解性:
H2O: 3 M at 20 °C, clear, colorless
外見 :
powder
色:
white
比重:
1.45
臭い (Odor):
Slight acetic acid
酸塩基指示薬変色域(pH):
8.5 - 9.9 at 246 g/l at 25 °C
PH:
8.9 (25℃, 100mg/mL in water, 0.1 M agueous sodium acetate solution)
水溶解度 :
500 g/L (20 ºC)
Sensitive :
Hygroscopic
極大吸収波長 (λmax):
λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.02
Hydrolytic Sensitivity:
0: forms stable aqueous solutions
Merck :
14,8571
沸点 :
>400°C(decomposition)
BRN :
3595639
安定性::
Stable. Incompatible with strong oxidizing agents, halogens. Moisture sensitive.
InChIKey:
VMHLLURERBWHNL-UHFFFAOYSA-M
CAS データベース:
127-09-3(CAS DataBase Reference)
NISTの化学物質情報:
Sodium ethanoate(127-09-3)
EPAの化学物質情報:
Sodium acetate (127-09-3)
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)
Sフレーズ  22-24/25
WGK Germany  1
RTECS 番号 AJ4300010
3
自然発火温度 607 °C
TSCA  Yes
HSコード  29152200
有毒物質データの 127-09-3(Hazardous Substances Data)
毒性 LD50 orally in Rabbit: 3530 mg/kg LD50 dermal Rabbit > 10000 mg/kg
化審法 (2)-692
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

酢酸ナトリウム 価格 もっと(108)

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) W01W0119-0108 酢酸ナトリウム 98.0+% (Titration)
Sodium Acetate 98.0+% (Titration)
127-09-3 500g ¥1350 2021-03-23 購入
富士フイルム和光純薬株式会社(wako) W01COBQF-0882
Sodium acetate
127-09-3 5g ¥3600 2021-03-23 購入
富士フイルム和光純薬株式会社(wako) W01COBQF-0882
Sodium acetate
127-09-3 25g ¥5400 2021-03-23 購入
富士フイルム和光純薬株式会社(wako) W01W0119-0108 酢酸ナトリウム 98.0+% (Titration)
Sodium Acetate 98.0+% (Titration)
127-09-3 4kg ¥8700 2021-03-23 購入
富士フイルム和光純薬株式会社(wako) W01COBQF-0882
Sodium acetate
127-09-3 100g ¥14400 2021-03-23 購入

酢酸ナトリウム MSDS


Sodium acetate

酢酸ナトリウム 化学特性,用途語,生産方法

外観

白色、結晶~結晶性粉末

定義

本品は、酢酸(*)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:酢酸

溶解性

水に溶けやすく、エタノールにやや溶けやすい。

解説

CH3COONa(82.03).酢酸と水酸化ナトリウムの中和,または酢酸カルシウムと硫酸ナトリウムの複分解により三水和物が得られる.三水和物は無色の単斜晶系結晶.風解性で,融点59 ℃.120~250 ℃ で乾燥すると無水物となる.無水物は白色の単斜晶系結晶.密度1.528 g cm-3.融点320 ℃.吸湿性で,水に易溶,エタノールに微溶.分析試薬,緩衝剤,食品防腐剤,医薬品,写真,めっき工業,媒染剤,脱水剤,有機合成などに用いられる.[CAS 127-09-3:CH3COONa][CAS 6131-90-4:CH3COONa・3H2O]
森北出版「化学辞典(第2版)

用途

核酸のエタノール沈殿、緩衝液調製用等。

用途

染料、医薬品の製造研究用、脱水剤。

用途

酢酸ナトリウム(無水)は透析薬原料?食品添加物などに使用されています。

化粧品の成分用途

緩衝剤、香料

使用上の注意

吸湿性あり

説明

Sodium acetate (CH3COONa) is the sodium salt of acetic acid. It appears as a colorless deliquescent salt with a wide range of applications. In industry, it can be used in textile industry to neutralize sulfuric acid waste streams and as a photoresist upon using aniline dyes. In concrete industry, it can be used as a concrete sealant to mitigate the water damage. In food, it can be used as a seasoning. It can also be used as a buffer solution in lab. In addition, it is also used in heating pads, hand warmers and hot ice. For laboratory use, it can be produced by the reaction between acetate with the sodium carbonate, sodium bicarbonate and sodium hydroxide. In industry, it is prepared from the glacial acetic acid and sodium hydroxide.

化学的特性

Anhydrous salt is a colorless crystalline solid; density 1.528 g/cm3; melts at 324°C; very soluble in water; moderately soluble in ethanol. The colorless crystalline trihydrate has a density 1.45 g/cm3; decomposes at 58°C; is very soluble in water; pH of 0.1M aqueous solution is 8.9; moderately soluble in ethanol, 5.3 g/100mL.

化学的特性

Sodium acetate, CH3COONa, also abbreviated NaOAc , also sodium ethanoate, is the sodium salt of acetic acid. This colourless salt has a wide range of uses.

化学的特性

Sodium acetate is odorless or has a faint acetous odor. It effloresces in warm, dry air.

物理的性質

Anhydrous salt is a colorless crystalline solid; density 1.528 g/cm3; melts at 324°C; very soluble in water; moderately soluble in ethanol. The colorless crystalline trihydrate has a density 1.45 g/cm3; decomposes at 58°C; is very soluble in water; pH of 0.1M aqueous solution is 8.9; moderately soluble in ethanol, 5.3 g/100mL.

天然物の起源

Acetic acid or acetates are present in most plant and animal tissues in small, but detectable amounts

使用

Sodium Acetate is a source of acetic acid that is obtained as crystals or powder. it has a solubility of 1 g in 0.8 ml of water.

使用

Sodium Acetate, Anhydrous is a source of acetic acid obtained as a granular powder. it has a solubility of 1 g in 2 ml of water.

使用

This colorless crystal, also known as sodium ethanoate or acetate of soda, was made by the reaction of acetic acid with sodium carbonate. It is soluble in water but less so in alcohol. Sodium acetate was used as a pH modifier for toning baths.

使用

Sodium acetate is a mordant in dyeing. Other applications are in photography, as an additive to food, in purification of glucose, in preservation of meat, in tanning, and as a dehydrating agent. In analytical chemistry it is used to prepare buffer solution.
Sodium acetate can be used to preserve processed meats and it is often used in combination with other acid based preservatives like lactates and propionates. The typical inclusion level is 0.2 to 0.5%. Sodium acetate is also used in salad dressings and ready-to-eat meals.

使用

Used as buffers.
Acidity regulation (buffering)
Sodium acetate mixed with acetic acid forms a pH buffer, which can be used to stabilise the pH of foods in the pH-range from 3 to 6. The table below gives indicative values of the composition needed to give a certain pH. The mixtures below can be diluted at least 10 times with minimum effect on pH, however, the stability decreases.
Acidity regulation (Sodium acetate buffering)

製造方法

Sodium acetate is prepared by reacting sodium hydroxide or sodium carbonate with acetic acid in aqueous solution. The solution is evaporated to obtain hydrated crystals of sodium acetate.
NaOH + CH3COOH → CH3COONa + H2O
Na2CO3 + CH3COOH → 2CH3COONa + CO2 + H2O

定義

A white solid prepared by the neutralization of ethanoic acid with either sodium carbonate or sodium hydroxide. Sodium ethanoate reacts with sulfuric acid to form sodium hydrogensulfate and ethanoic acid; with sodium hydroxide it gives rise to sodium carbonate and methane. Sodium ethanoate is used in the dyeing industry.

主な応用

2 - 1 - Industrial
Sodium acetate is used in the textile industry to neutralize sulfuric acid waste streams, and as a photoresist while using aniline dyes. It is also a pickling agent in chrome tanning, and it helps to retard vulcanization of chloroprene in synthetic rubber production. In processing cotton for disposable cotton pads, sodium acetate is used to eliminate the buildup of static electricity.
2 - 2 - Concrete longevity
Sodium acetate is used to reduce the damage water can potentially do to concrete by acting as a concrete sealant, while also being environmentally benign and cheaper than the epoxy alternative that is usually employed for sealing concrete against water permeation.
2 - 3 - Food
Sodium acetate may be added to foods as a seasoning. It may be used in the form of sodium diacetate — a 1:1 complex of sodium acetate and acetic acid, given the E-number E262. A frequent use is to impart a salt and vinegar flavor to potato chips.
2 - 4 - Buffer solution
As the conjugate base of acetic acid, a solution of sodium acetate and acetic acid can act as a buffer to keep a relatively constant pH.
2 - 5 - Heating pad
Sodium acetate is also used in consumer heating pads or hand warmers and is also used in hot ice. Sodium acetate trihydrate crystals melt at 58.4°C , (to 58°C ) dissolving in their water of crystallization. When they are heated to around 100°C, and subsequently allowed to cool, the aqueous solution becomes supersaturated. This solution is capable of cooling to room temperature with out forming crystals.

製造方法

For laboratory use, sodium acetate is very inexpensive, and is usually purchased instead of being synthesized. It is sometimes produced in a laboratory experiment by the reaction of acetic acid (ethanoic acid) with sodium carbonate, sodium bicarbonate, or sodium hydroxide. These reactions produce aqueous sodium acetate and water. Carbon dioxide is produced in the reaction with sodium carbonate and bicarbonate, and it leaves the reaction vessel as a gas (unless the reaction vessel is pressurized). This is the well-known "volcano" reaction between baking soda (sodium bicarbonate) and vinegar.
CH3COOH + NaHCO3 → CH3COONa + H2O + CO2
Industrially, sodium acetate is prepared from glacial acetic acid and sodium hydroxide.
CH3COOH + NaOH → CH3COONa + H2O .

反応性

Sodium acetate can be used to form an ester with an alkyl halide such as bromo ethane:
CH3COONa + Br CH2CH3→ CH3COOCH2CH3+ NaBr
Caesium salts catalyze this reaction.

反応プロフィール

When sodium acetate reacts with strong acids, irritating, noxious vapors of acetic acid are usually produced. Sodium acetate is sufficiently basic to catalyze the violent polymerization of diketene, perhaps as well as other reactive dimers that are susceptible to polymerization in the presence of a mild base.

生物活性

Commonly used laboratory reagent

安全性プロファイル

Poison by intravenous route. Moderately toxic by ingestion. A skin and eye irritant. Migrates to food from packagmg materials. Violent reaction with F2, m03, diketene. When heated to decomposition it emits toxic fumes of Na2O.

Chemical Synthesis

Acetic acid plus sodium bicarbonate makes sodium acetate plus carbonic acid. Produced by the neutralization of acetic acid with sodium bicarbonate, or by treating calcium acetate with sodium sulfate and sodium bicarbonate.

純化方法

Crystallise it from acetic acid and keep it under vacuum for 10hours at 120o. Alternatively, it is crystallised from aqueous EtOH, as the trihydrate. This material can be converted to anhydrous salt by heating slowly in a porcelain, nickel or iron dish, so that the salt liquefies. Steam is evolved and the mass again solidifies. Heating is now increased so that the salt melts again. (NB: if it is heated too strongly, the salt can char; avoid this.) After several minutes, the salt is allowed to solidify and is cooled to a convenient temperature (in a desiccator) before being powdered and bottled. The water content should now be less than 0.02%. [Beilstein 2 II 113, 2 III 184, 2 IV 109.]

酢酸ナトリウム 上流と下流の製品情報

原材料

準備製品

イブジラスト 7H-ジベンゾ[c,g]カルバゾール デヒドロコール酸 8-ブロモ-3,7-ジメチル-3,7-ジヒドロ-1H-プリン-2,6-ジオン 2-(メチルチオ)エタノール 3-ピリダジンカルボン酸 酢酸 シトロネリル 酢酸テルピニル 3-(3-ニトロフェニル)プロピオン酸 (1β,5β)-8-(1-メチルエチル)-8-アザビシクロ[3.2.1]オクタン-3α-オール 2-ニトロフラン-5-カルボニトリル 6-アザチミン rel-2α*-イソプロピル-5β*-メチルシクロヘキサン-1β*-オールアセタート 2酢酸·ナトリウム 2-ニトロジフェニルアミン 4-アミノテトラヒドロピラン塩酸塩 酢酸シンナミル 3-アセチル-4-ヒドロキシ-2H-1-ベンゾピラン-2-オン 1,2-エポキシシクロオクタン トリプシンインヒビター, 大豆由来 レボシメンダン アシッド ブルー 92 (2S,5R)-3,3-ジメチル-6α-[[(5-メチル-3-フェニルイソオキサゾール-4-イル)カルボニル]アミノ]-7-オキソ-4-チア-1-アザビシクロ[3.2.0]ヘプタン-2β-カルボン酸ナトリウム 酢酸 4-メトキシベンジル エチニルフェロセン 酢酸(-)-メンチル 3-アセトキシベンゾ[B]フラン 5-アセトキシメチルフルフラール N-(1,3-ジチオラン-2-イリデン)アミドりん酸ジエチル アセトメナフトン メチル trans-2-ヘキサノエ-ト メチル エロー 3-(4-フルオロフェニル)ピラゾール-4-カルボキシアルデヒド 1H-ベンゾトリアゾール-1-イルオキシトリス(ジメチルアミノ)ホスホニウムヘキサフルオロホスファート トリス(ジベンジリデンアセトン)ジパラジウム(0)

酢酸ナトリウム 生産企業

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127-09-3(酢酸ナトリウム)キーワード:


  • 127-09-3
  • SODIUM ACETATE ANHYDROUS CELL CULTUR
  • Sodium acetate anhydrous for analysis EMSURE ACS,Reag. Ph Eur
  • SODIUM ACETATE ANHYDROUS, FOR MOLECU
  • femanumber3024
  • Natriumacetat
  • natriumaceticum
  • Niacet sodium acetate anhyd. tech
  • Octan sodny
  • octansodny
  • sodiiacetas
  • Sodium acetate anhydrous
  • sodiumacetate(anhydrous)
  • Sodiumacetate,anhydrous
  • SODIUM ACETATE ANHYDROUS USP
  • Sodium Acetate Anhydrous, Medical Grade
  • SodiumAcetateAnhydrousAr
  • SodiumAcetateAnhydrosGr
  • SodiumAcetate,Anhydrous,A.R.A1692
  • SodiumAcetateAnhydrousAcs/Usp/Fcc
  • SodiumAcetateAnhydrousPowderPhoto
  • SodiumAcetateAnhydrousC2H3NaO2
  • SodiumAcetateAnhydrousExtraPure
  • SodiumAcetateAnhydrousFcc
  • Acetic acid, sodium salt, anhydrous, DNAse, RNAse and Protease free, for molecular biology, 99+%
  • Acetic acid, sodium salt, anhydrous, extra pure, 99+%
  • Acetic acid, sodium salt, anhydrous, for analysis ACS, 99+%
  • Acetic acid, sodium salt, anhydrous, for analysis, 99+%
  • SODIUM ACETATE, ANHYDROUS BIO-REFINED
  • SODIUM ACETATE, ANHYDROUS REAGENT (ACS)
  • Sodium Acetate-12C (depleted of 13C)
  • 酢酸ナトリウム [一般有機合成用]
  • ナトリウムアセタート
  • 酢酸Na
  • 酢酸イオン標準液
  • 0.2MOL/L 酢酸ナトリウム溶液
  • 10W/V% 酢酸ナトリウム溶液
  • 1MOL/L(1N) 酢酸ナトリウム溶液
  • 2W/V% 酢酸ナトリウム溶液
  • 酢酸ナトリウム ACS REAGENT,≥99.0%
  • 酢酸ナトリウム ANHYDROUS
  • 酢酸ナトリウム ANHYDROUS,FREE-FLOWING,REDI-DRITM,ACS REAGENT,≥99.0%
  • 酢酸ナトリウム FOR HPLC,≥99.0%
  • 酢酸ナトリウム TRACESELECT,FOR TRACE ANALYSIS,≥99.999% (METALS BASIS),ANHYDROUS
  • 酢酸ナトリウム(無水)
  • 酢酸ナトリウム, 無水
  • 酢酸ナトリウム 溶液
  • 酢酸ナトリウム
  • 緩衝液
  • 医薬品添加剤
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