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CAS: 915-67-3
分子式: C20H11N2Na23O10S3
分子量: 604.480
中文名称: 
酸性苋菜红
鸡冠花红
食用苋菜红
对磺基萘偶氮R盐
食用色素红色2号
苋菜红
蓝光酸性红
偶氮宝石红
英文名称: 
Amaranth;4-Sulfo-1-naphthylazo-2-naphthol-3,6-disulfonic acid trisodium salt
Acid amaranth
Amaranth
Food amaranth red
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt
C.I. Food red 9
7-naphthalenedisulfonic acid, 3-hydroxy-4-((4-sulfo-1-naphthyl)azo)- trisodi
1-(4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid trisodium salt
1-(4-sulpho-1-naphthylazo)-2-naphthol-3,6-disulphonic acid, trisodium salt
1302 red
1508 red
2-hydroxy-1,1'-azonaphthalene-3,6,4'-trisulfonic acid trisodium salt
3-hydroxy-4-((4-sulfo-1-naphthalenyl)azo)-2,7-naphthalenedisulfonic acid tris
3-hydroxy-4-((4-sulpho-1-naphthalenyl)azo)-2,7-naphthalenedisulphonic acid, t
3-hydroxy-4-((4-sulpho-1-naphthalenyl)azo)-2,7-naphthalenedisulphonic acid, tri
3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-2,7-naphthalenedisulfonic acid trisod
acetacid red 2br
acid amaranth i
acid amaranth n
acid leather red 12bw
acid leather red i 2bw
acid leather rubine s
acid red 27
acilan red se
aizen amaranth
amacid amaranth
amarant
amaranth a
amaranth b
amaranth bpc
amaranth extra
amaranth lake
amaranth s
amaranth s specially pure
amaranth wd
amaranthe
amaranthe usp (biological stain)
azo red r
azo rubine s.fq
azo rubine sf
azo ruby s
azorubin s
azorubine s
bordeaux
bordeaux s
bordeaux s extra conc a export
bordeaux s extra conc. a export
bordeaux s extra pure a
c.i. 16185
c.i. 184
c.i. acid red 27
c.i. acid red 27, trisodium salt
calcocid amaranth
canacert amaranth
certicol amaranth s
cerven kysela 27
cerven potravinarska 9
cilefa rubine 2b
d and c red 2
daishiki amaranth
dolkwal amaranth
dye fdc red 2
dye red raspberry
e 123
edicol amaranth
edicol supra amaranth a
eec no. 123
eurocert amaranth
fast red
fd & c red no 2
fd and c red no. 2
fd&c red no. 2 - aluminium lake
food red 9
fruit red a geigy
hd amaranth b
hd amaranth supra
hexacert red no. 2
hexacol amaranth b extra
hidacid amaranth
hispacid red am
java amaranth
kayaku amaranth
kayaku food colour red no. 2
kca foodcol amaranth a
kiton rubine s
l-rot 3
lissamine
lissamine amaranth ac
maple amaranth
naphthol red lzs
naphthol red s specially pure
naphthol red si
naptholrot s
neklacid red a
rakuto amaranth
raspberry red for jellies
red dye no. 2
red no 2
red no. 2
s-azo rubine
san-ei amaranth
schultz nr. 212
shikiso amaranth
solar red o
takaoka amaranth
tertracid red a
tetracid red a
toyo amaranth
trisodium salt of 1-(4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid
trisodium salt of 1-(4-sulpho-1-naphthylazo)-2-naphthol-3,6-disulphonic acid
usacert red no. 2
victoria rubine o
victoria rubine o for food
whortleberry red
wool bordeaux 6rk
wool red 40f
FD & C red No.2
Amaramth
C.I.Food red 9(16185)
c.i. acid red 27(amaranth)
c.i.acidred27(amaranth)
2,7-Naphthalenedisulfonic acid,3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-,trisodium salt
性质描述: 紫红色粉末。21℃时的溶解度为:水17.2%,10%的乙醇6.9,50%的乙醇0.5%。可溶于甘油及丙二醇,不溶于油脂。0.01%水溶液呈玫瑰红色,遇硫酸呈紫色,稀释后呈桃红色;遇浓硝酸呈亮红色,遇浓盐酸呈棕色,有黑色沉淀。水溶液遇浓盐酸呈品红色,遇氢氧化钠溶液呈红棕色。属偶氮型酸性染料,耐细菌性差,有耐光性,耐热性,耐盐性,耐酸性良好,对柠檬酸,酒石酸等稳定,对氧化,还原作用敏感。
生产方法: 由1-萘胺-4-磺酸重氮化后,在碱性条件下与2-萘酚-3,6-二磺酸钠(R盐)偶合,经食盐盐析,精制而得。
用途: 用于食品,医药,化妆品的着色。
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