계피산메틸

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H317：알레르기성 피부 반응을 일으킬 수 있음

• 예방조치문구

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

계피산메틸 MSDS

• 3-Phenyl-2-propenoic acid methyl ester

계피산메틸 화학적 특성, 용도, 생산

• 순도시험

  (1) 응고점 : 이 품목의 응고점은 33.8℃이상이어야 한다.

    (2) 용상 : 이 품목 1g에 80% 에탄올 4mL를 넣고 40℃로 가온하여 녹일 때, 그 액은 거의 징명하여야 한다.

    (3) 산가 : 이 품목의 산가는 향료시험법 중 산가측정법에 따라 시험할 때, 2 이하이어야 한다.

• 확인시험

    이 품목 1g에 10% 알콜성수산화칼륨용액 10mL를 넣어 수욕 중에서 가열하면 녹아서 백색침전이 생기고 특이한 향기는 없어진다. 따뜻할 때 이에 물 10mL를 넣으면 침전은 녹고 이 액을 묽은황산으로 산성화하면 백색의 결정성 침전이 생긴다.

• 정량법

    이 품목 약 1g을 정밀히 달아 향료시험법 중 에스테르가 및 에스테르함량측정법에 따라 시험한다. 다만, 가열 전에 물 5mL를 넣는다.

  0.5N 알콜성수산화칼륨용액 1mL ＝ 81.10mg C₁₀H₁₀O₂

• 개요

  Methyl cinnamate is the methyl ester of cinnamic acid and is a white or transparent solid with a strong, aromatic odor. It is found naturally in a variety of plants, including in fruits, like strawberry, and some culinary spices, such as Sichuan pepper and some varieties of basil. Eucalyptus olida has the highest known concentrations of methyl cinnamate (98 %) with a 2 - 6 % fresh weight yield in the leaf and twigs.
  Methyl cinnamate is used in the flavor and perfume industries. The flavor is fruity and strawberry-like; and the odor is sweet, balsamic with fruity odor, reminiscent of cinnamon and strawberry.
  It is known to attract males of various orchid bees, such as Aglae caerulea.
  Methyl cinnamate crystals extracted using steam distillation from Eucalyptus olida.

• 화학적 성질

  Methyl cinnamate has a fruity, balsamic odor similar to strawberry and a corresponding sweet taste.

• 출처

  Reported found in the oil from rhizomes of Alpinia malaccensis, in the oil from leaves of Ocimum canum Sims.; in the oil of Narcissus jonquilla L.; in the oil from rhizomes of Gastrochilus panduratum Ridl.; two isomers (cis- and trans-) exist in natural. Also reported found in cranberry, guava, pineapple, strawberry fruit and jam, cinnamon leaf, Camembert cheeses, cocoa, avocado, plum, prune, cloudberry, starfruit, plum brandy, rhubarb, beli (Aegle marmelos Correa), loquat and Bourbon vanilla.

• 용도

  Methyl cinnamate is used as a fragrance ingredient in cosmetics and household products.

• 제조 방법

  Methyl cinnamate is synthesized by esterification of cinnamic acid with methanol using HCl as catalyst, or by adding HCl to a boiling solution of cinnamyl nitrile in methanol.

• 일반 설명

  Methyl cinnamate is an important flavoring agent and fragrance ingredient. It is one of the main aroma components of basil oil, Japanese and Korean matsutake mushrooms.

• Safety Profile

  Moderately toxic by ingestion. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.

• Synthesis

  Take 14.8g of cinnamic acid, 12.8g of methanol and 0.74g of supported acidic catalyst, respectively, add them to a 250ml flask, heat and reflux for 3h, and then perform vacuum distillation until no liquid is distilled out. Filter while hot to remove the solid catalyst and maintain the liquid phase temperature at 43℃. Add 6% KCO3 solution to the product until the solution pH is 8.5 while maintaining the solution temperature at 43℃, let stand and separate, remove the water phase, wash the product with twice the volume of 42℃ deionized water, let stand and separate, remove the water phase, and repeat this step until the solution pH is 7. Add three times the volume of 10℃ deionized water to the product under continuous stirring, and a light yellow solid will precipitate, methyl cinnamate, with a yield of 86%.

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