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리시놀레 산

리시놀레 산
리시놀레 산 구조식 이미지
카스 번호:
141-22-0
한글명:
리시놀레 산
동의어(한글):
리시놀레산;리시놀레산;리시놀레익애씨드
상품명:
RICINOLEIC ACID
동의어(영문):
CS 80;H 1657;Cenwax C;NSC 281242;P -10 acid;ricinicacid;RICOLEICACID;Edenor Ri 90;Ricinic acid;castoroilacid
CBNumber:
CB1776922
분자식:
C18H34O3
포뮬러 무게:
298.46
MOL 파일:
141-22-0.mol

리시놀레 산 속성

녹는점
22.5-24.5℃
알파
D22 +6.67°; D26 +7.15° (c = 5 in acetone)
끓는 점
bp10 245°
밀도
0.940 g/mL at 20 °C(lit.)
굴절률
1.4740 (589.3 nm, 25℃)
인화점
248°C
저장 조건
2-8°C
물리적 상태
Liquid
Specific Gravity
0.943 (20/4℃)
optical activity
[α]/D 6.5±1.5°, c = 2 in acetone
Merck
14,8211
BRN
1727813
InChIKey
WBHHMMIMDMUBKC-GKUQOKNUSA-N
CAS 데이터베이스
141-22-0(CAS DataBase Reference)

안전

위험품 표기 Xi
위험 카페고리 넘버 36/37/38
안전지침서 26-36
WGK 독일 3
RTECS 번호 VJ3150000
HS 번호 29181990

리시놀레 산 C화학적 특성, 용도, 생산

화학적 성질

Colorless to yellow, viscous liquid.Soluble in most organic solvents; insoluble in water. Com- bustible.

화학적 성질

Ricinoleic acid (synonym castor oil fatty acid) is an unsaturated fatty acid prepared from castor oil. When Ricinoleic acid is pyrolyzed (heated in the absence of air), it breaks down in undecylenic acid and n-heptaldehyde.
appearance yellowish, clear, viscous liquid
specific gravity (at 25°C) 0.938 - 0.944
refractive index (at 25°C) 1.4695 - 1.4700
acid value mg KOH/g min.175
iodine value 82 - 90
saponification value mg KOH/g 180 - 190
hydroxyl value 150 - 160
unsaponifiable matter max. 1
colour Gardner max. 7

용도

  1. soaps: Ricinoleic acid can be reacted with various bases (caustic, ammonia, ethanolamines, etc.) to produce soaps having the desired characteristics (solubility, physical characteristics, polarity, etc.) depending on the final application. Some of them are: cutting oils, industrial lubricants, emulsifiers and metal working fluids. Transparent bar soaps & high solids liquids soaps are made possible by using Ricinoleic acid. The same for industrial germicides, disinfectants and heavy duty detergents (solubilization of phenolic and cresylic bodies).
  2. surface coating: it is used as an efficient pigment/dye dispersants in inks, coatings, plastics, cosmetics, etc.
  3. textiles: Ricinoleic acid provides polarity, surface wetting and lubricity.
  4. rubber: the sodium/potassium soaps of Ricinoleic acid are emulsifiers and foam stabilizers.
  5. vinyl polymers: it's sodium soap is useful as emulsifier, stabilizer and defoamer for emulsion polymerization of resins such as PVC & PVAc
  6. food additives: it's used in the production of PGPR (polyglycerol polyricinoleate) for use in chocolate.

용도

Soaps, Turkey red oil, textile finishing, source of sebacic acid and heptanol, ricinoleate salts, 12- hydroxystearic acid.

정의

A C1 8 unsaturated fatty acid that comprises 80% of the fatty acid content of castor oil.

Purification Methods

Purify it as the methyl acetylricinoleate [Rider J Am Chem Soc 53 4130 1931], fractionally distilling it at 180-185o/0.3mm, then 87g of this ester is hydrolysed by refluxing with KOH (56g), water (25mL), and MeOH (250mL) for 10minutes. The free acid is separated on acidification and extracted into Et2O, dried (Na2SO4), filtered, evaporated and the residue is crystallised from acetone at -50o, and distilled in small batches, b 180o/0.005mm. The R-enantiomer has m +5.5o, b 245o/10mm and [] 26D +7.2o (c 5, Me2CO). [Bailey et al. J Chem Soc 3027 1957, Beilstein 3 IV 1026, 1207.]

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