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生物源
synthetic
化驗
~95% (HPLC)
形狀
liquid
品質
concentrate (~50% (w/w) in peanut oil)
比活性
~1500 U/mg
包含
DL-α-tocopherol as stabilizer
顏色
yellow to very dark yellow
mp
57-58 °C
儲存溫度
2-8°C
SMILES 字串
CC1=C(/C=C/C(C)=C/C=C/C(C)=C/COC(C)=O)C(C)(C)CCC1
InChI
1S/C22H32O2/c1-17(9-7-10-18(2)14-16-24-20(4)23)12-13-21-19(3)11-8-15-22(21,5)6/h7,9-10,12-14H,8,11,15-16H2,1-6H3/b10-7+,13-12+,17-9+,18-14+
InChI 密鑰
QGNJRVVDBSJHIZ-QHLGVNSISA-N
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一般說明
维生素A又称视黄醇。视黄醛、视黄酸和视黄酯是视黄醇的衍生物。视黄醇由20个碳的分子组成。它还包含一个环己烷环,该环具有四个双键的侧链和一个醇端基。维生素A以视黄酯和β-胡萝卜素的形式天然存在于人体中。乙酸视黄酯、丙酸视黄酯和棕榈酸视黄酯是视黄醇的类似物。
生化/生理作用
视黄酯储存在肝脏中,并在被肠吸收之前转化为视黄醇。由于视网膜是视紫红质的一部分,因此在眼睛视觉中起着作用。视黄醇与血浆中的视黄醇结合蛋白结合。醋酸视黄酯在美容方面有应用。
其他說明
异构体纯度:~95%全反式和~5% 13-顺式异构体
审查:维生素A的系统作用方式
注意
结晶产物可通过加热至65℃进行液化
單位定義
根据欧洲药典II,217(1983),1 U相当于1个国际单位
外觀
可能部分结晶
訊號詞
Danger
危險聲明
危險分類
Aquatic Chronic 4 - Repr. 1B
儲存類別代碼
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
水污染物質分類(WGK)
WGK 2
閃點(°F)
Not applicable
閃點(°C)
Not applicable
個人防護裝備
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
其他客户在看
Systemic mode of action of vitamin A.
Vitamins and hormones, 38, 1-54 (1980-01-01)
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