타르타르산 칼륨

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H315：피부에 자극을 일으킴

  H319：눈에 심한 자극을 일으킴

• 예방조치문구

  P264：취급 후에는 손을 철저히 씻으시오.

  P264：취급 후에는 손을 철저히 씻으시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

  P302+P352：피부에 묻으면 다량의 물로 씻으시오.

  P305+P351+P338：눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.

  P332+P313：피부 자극이 생기면 의학적인 조치· 조언을 구하시오.

  P337+P313：눈에 대한 자극이 지속되면 의학적인 조치· 조언를 구하시오.

타르타르산 칼륨 MSDS

• L(+)-Potassium hydrogen tartrate

타르타르산 칼륨 화학적 특성, 용도, 생산

• 순도시험

    (1) 용상 : 이 품목 0.5g을 암모니아시액 3mL에 녹일 때, 그 액은 무색이며, 탁도는 거의 징명 이하이어야 한다.

    (2) 비선광도 : 이 품목을 105℃에서 3시간 건조한 다음 약 5g을 정밀히 달아 암모니아시액 10mL 및 물에 녹여 50mL로 하여 이 액의 선광도를 측정할 때, ＝+32.5～+35.5°이어야 한다.

    (3) 황산염 : 이 품목 0.5g을 묽은염산 2mL 및 물 30mL의 따뜻한 혼액에 녹여 식힌 다음 이를 시험용액으로 하여 황산염시험법에 따라 시험할 때, 그 양은 0.01N 황산 2mL에 대응하는 양 이하이어야 한다.

    (4) 암모늄염 : 이 품목 0.5g에 수산화나트륨시액 5mL를 가하여 가열할 때, 암모니아냄새가 발생하여서는 아니 된다.

    (5) 비소 : 이 품목을 비소시험법에 따라 시험할 때, 그 양은 4.0ppm 이하이어야 한다.

    (6) 납 :  이 품목 5.0g을 취하여 원자흡광광도법 또는 유도결합플라즈마발광광도법에 따라 시험할 때, 그 양은 2.0ppm 이하이어야 한다.

    (7) 불용성물질 : 이 품목 0.5g을 6N 암모니아수 3mL에 넣고 녹일 때, 불용물이 남아서는 아니 된다.

• 확인시험

    (1) 이 품목 1g을 암모니아시액 10mL에 녹인 액은 우선성이다.

    (2) 이 품목 0.5g을 천천히 가열하여 분해하면 자당을 태울 때와 같은 냄새를 내며 탄화한다. 이 잔류물에 물 5mL를 가하여 잘 저어 섞은 액은 알칼리성이다. 이에 묽은염산을 가하여 중화한 다음 여과한 액은 확인시험법 중 칼륨염의 반응을 나타낸다.

    (3) 이 품목은 확인시험법 중 주석산염의 반응을 나타낸다.

• 정량법

    이 품목을 건조한 다음 약 0.4g을 정밀히 달아 열탕 20mL에 녹여 뜨거울 때 0.1N 수산화나트륨용액으로 적정한다(지시약 : 페놀프탈레인시액 2～3방울).

  0.1N 수산화나트륨용액 1mL ＝ 18.82mg C₄H₅O₆K

• 개요

  L (+)-Potassium hydrogen tartrate (also known as potassium bitartrate) is the potassiumacid salt of tartaric acid (a carboxylic acid). It is the byproduct during the winemaking process. It can be used in baking or as a cleaning solution. When mixed with an acidic liquid such as lemon juice or white vinegar, it can be made of a paste-like cleaning agent for metals or some other cleaning applications. It can also be used as a pH buffer component in chemistry. It has been recently shown that it is capable of treating breast cancer.
  
  Approved by the FDA as a direct food substance, potassium bitartrate is used as an additive, stabilizer, pH control agent, antimicrobial agent, processing aid, or thickener in various food products. Potassium bitartrate has a long history of medical use as a laxative administered as a rectal suppository and is an approved third-class OTC drug in Japan. Potassium bitartrate was one of active ingredients in Phexxi, a non-hormonal contraceptive agent that was approved by the FDA on May 2020.

• 화학적 성질

  Potassium Bitartrate, or tartar, is a salt produced from the crystalsfound on the sides of wine casks. When purified it is known as cream oftartar. It is acid, and is slightly soluble in water.It is used in baking powder, for medicine, and as an acid and buffer in foods.

• 출처

  Potassium bitartrate crystallizes in wine casks during the fermentation of grape juice, and can precipitate out of wine in bottles.The crystals (wine diamonds) will often form on the underside of a cork in wine-filled bottles that have been stored at temperatures below 10°C , and will seldom, if ever, dissolve naturally into the wine.
  These crystals also precipitate out of fresh grape juice that has been chilled or allowed to stand for some time. To prevent crystals forming in homemade grape jam or jelly, fresh grape juice should be chilled overnight to promote crystallisation. The potassium bitartrate crystals are removed by filtering through two layers of cheesecloth. The filtered juice may then be made into jam or jelly. In some cases they adhere to the side of the chilled container, making filtering unnecessary.
  The crude form (known as beeswing) is collected and purified to produce the white, odorless, acidic powder used for many culinary and other household purposes.

• 용도

  Largely in baking powders; coloring metals, galvanic tinning of metals; reducer of CrO3 in mordants for wool.

• 제조 방법

  potassium bitartrate is mainly produced from the mother liquor of Seignette's salt. These decolorized, purified, and filtered solutions are acidified to pH 3.5 with hydrochloric or sulfuric acid. Since cream of tartar is sparingly soluble, it precipitates and is recovered by centrifugation, dried, and ground before being packaged as fine powder.

• 주요 응용

  In food
  In food, potassium bitartrate is used for:
  Stabilizing egg whites, increasing their heat tolerance and volume
  Stabilizing whipped cream, maintaining its texture and volume
  Preventing sugar syrups from crystallising
  Reducing discolouration of boiled vegetables
  Thickening Tartar sauce
  Additionally it is used as a component of: Baking powder, as an acid ingredient to activate baking soda Sodium-free salt substitutes, in combination with potassium chloride
  A similar acid salt, sodium acid pyrophosphate, can be confused with cream of tartar because of their common function as a component of baking powder.
  House hold use
  Potassium bitartrate can be mixed with an acidic liquid such as lemon juice or white vinegar to make a paste - like cleaning agent for metals such as brass, aluminum or copper, or with water for other cleaning applications such as removing light stains from porcelain.
  This mixture is sometimes mistakenly made with vinegar and sodium bicarbonate (baking soda), which actually react to neutralise each other, creating carbon dioxide and a sodium acetate solution. Cream of tartar was often used in traditional dyeing where the complexing action of the tartrate ions were used to adjust the solubility and hydrolysis of mordant salts such as tin chloride and alum.
  Cream of tartar, when mixed into a paste with hydrogen peroxide, can be used to clean rust from some hand tools, notably hand files. The paste is applied and allowed to set for a few hours and then washed off with a baking soda/water solution.
  Chemistry
  Potassium acid tartrate, also known as potassium hydrogen tartrate, is, according to NIST, used as a primary reference standard for a pH buffer. .

• 일반 설명

  Potassium L-tartrate is found naturally in grapes. Its removal is necessary during wine making as it can precipitate, which is undesirable.

• Purification Methods

  It crystallises from water (17mL/g) between 100o and 0o. Dry it at 110o. [Beilstein 3 IV 1222.]

• 참고 문헌

  Coulter, A. D, et al. "Potassium bitartrate crystallisation in wine and its inhibition." Australian Journal of Grape & Wine Research 21.S1(2016):627-641.
  Berg, H. W, and M. Akiyoshi. "Utility of potassium bitartrate concentration-product values in wine processing." Amer J Enol Vitic (1971).
  Cremer, G. A., and R. Boulton. "The hydrolysis of gelatin by an immobilized acid protease. I. Immobilization and hydrolysis kinetics. " American Journal of Enology & Viticulture 1(1981):14-17.
  Dr, María J. Vicent, et al. "The Therapeutic Action of Potassium Bitartrate." Angewandte Chemie 44.26(2005):4061-6.

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