中文名称:胭脂由红
  • 脂虫红铝; 胭脂虫红色淀; C.I.天然红4号; 胭脂红
  • carmine
  • hydrated alu-minium chelate of carminic acid; cochineal and carminic acid; Natural Red 4; Nacarat Cochineal; calcium 6-carboxy-1-[[6-carboxy-4,7-dihydroxy-5-methyl-2-oxido-9,10-dioxo-3-[(2R,3S,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-1-anthryl]oxy-hydroxy-alumanyl]oxy-4,7-dihydroxy-5-methyl-9,10-dioxo-3-[(2R,3S,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-anthracen-2-olate trihydrate
  • 1390-65-4
  • 215-724-4
  • C44H43O32CaAl
  • 1150.86
  • InChI=1/2C22H20O14.Al.Ca.4H2O/c2*1-4-8-5(2-6(24)9(4)21(33)34)12(25)10-11(14(8)27)16(29)20(18(31)15(10)28)36-22-19(32)17(30)13(26)7(3-23)35-22;;;;;;/h2*2,7,13,17,19,22-24,26,28-32H,3H2,1H3,(H,33,34);;;4*1H2/q;;+3;+2;;;;/p-5/t2*7?,13-,17+,19+,22-;;;;;;/m10....../s1/rC44H39AlO29.Ca.3H2O/c1-7-15-9(3-11(48)17(7)41(64)65)23(50)21-19(27(15)54)29(56)39(71-43-33(60)31(58)25(52)13(5-46)69-43)35(62)37(21)73-45(68)74-38-22-20(28(55)16-8(2)18(42(66)67)12(49)4-10(16)24(22)51)30(57)40(36(38)63)72-44-34(61)32(59)26(53)14(6-47)70-44;;;;/h3-4,13-14,25-26,31-34,43-44,46-49,52-53,56-63,68H,5-6H2,1-2H3,(H,64,65)(H,66,67);;3*1H2/q;+2;;;/p-2/t13?,14?,25-,26+,31+,32-,33+,34-,43-,44+;;;;
  • 胭脂由红 1390-65-4
  • 性质与指标:带光泽的红色碎片或深红色粉末。分解温度250℃。溶于氢氧化碱或碳酸钠溶液,呈深红色;部分溶于热水,几乎不溶于冷水和稀酸,也溶于硼砂。LD508.89g/kg(小鼠,经口)。   

    来源:往胭脂虫红萃取液中添加氢氧化铝,经沉淀得到。铝和胭脂红酸的分子比为1︰2。
  • 可用于调味酱、洋酒、糖果、饮料、冷饮、香肠、火腿、糕饼、点心、酸奶、雪糕、冰棍、奶粉等的着色,为红色着色剂。