CAS No. 20324-87-2
Disodium 7,7'-(carbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate)
- Product Code
- 101720
- Product Name
- Disodium 7,7'-(carbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate)
- Cas Number
- 20324-87-2
- Molecular Formula
- C21H14N2Na2O9S2
- Product Category
- Carbonyl amino
- Sodium(Na)
- Naphthalene
- Sulphone
Specification:
Appearancedry grey-white powder
Content≥85%≥70%
Free J acid≤0.5%(HPLC)≤2%
Chloride value≤ 7%
Insoluble solid≤0.3%≤0.5%
Description:
C.M.F:C21H14O9N2S2Na2
M.W:548.48
Use:used as azo medium. Mainly used for the preparation of direct orange S and direct acid-proof bright-red 4BS
Package:25kg-plastic-woven bag lined with a plastic bag inside
Appearancedry grey-white powder
Content≥85%≥70%
Free J acid≤0.5%(HPLC)≤2%
Chloride value≤ 7%
Insoluble solid≤0.3%≤0.5%
Description:
C.M.F:C21H14O9N2S2Na2
M.W:548.48
Use:used as azo medium. Mainly used for the preparation of direct orange S and direct acid-proof bright-red 4BS
Package:25kg-plastic-woven bag lined with a plastic bag inside
disodium
sulphonate
carbonyldiimino
hydroxynaphthalene
naphthalenesulfonic
naphthalenesulfonic
more...
93207-02-4
1244295
1-Naphthalenesulfonic acid, 6-(acetylamino)-4-nitro-
61583-23-1
1235640
2-Naphthalenesulfonic acid, 6-hydroxy-5-[(4-hydroxyphenyl)azo]-
68519-99-3
1254256
2,6-Dibutyl-1-naphthalenesulfonic acid
88210-60-0
1235434
1-Naphthalenesulfonic acid,4-hydroxy-6-[(4-methoxyphenyl)amino]-2-[(3-nitro-5-sulfophenyl)azo]-
918634-93-2
1235373
2-Naphthalenesulfonic acid,5-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-8-[2-(7-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:3)
52904-97-9
1251059
Naphthalenesulfonic acid, dihydrodioxo-, sodium salt
607-13-6
1256606
2-Naphthalenesulfonic acid, 8-(phenylamino)-
167964-49-0
1252550
1-Naphthalenesulfonic acid, 5-(dimethylamino)-, potassium salt
6426-63-7
1255196
3,3-[(1,1-Biphenyl-4,4-diyl)bis(azo)]bis[4-hydroxy-1-naphthalenesulfonic acid sodium] salt
61433-23-6
1251668
2-Naphthalenesulfonic acid,4-hydroxy-3-[(4-methoxy-2-sulfophenyl)azo]-7-[[4-(4-morpholinyl)-6-[[4-(phosphonomethyl)phenyl]amino]-1,3,5-triazin-2-yl]amino]-, ammoniumsalt
169786-14-5
1236846
1-Naphthalenesulfonic acid,4-hydroxy-3-[[4-[[4-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]phenyl]amino]-3-sulfophenyl]azo]-
918634-72-7
1231977
2-Naphthalenesulfonic acid,7-[(4-amino-3-sulfophenyl)amino]-4-hydroxy-3-[2-[2-(2-hydroxyethoxy)-5-methyl-4-[2-(3-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:3)
62121-73-7
1244596
2-Naphthalenesulfonic acid,6-(acetylamino)-4-hydroxy-3-[[4-[[2-(phosphonooxy)ethyl]sulfonyl]phenyl]azo]-
918634-92-1
1235372
2-Naphthalenesulfonic acid,4-hydroxy-7-(phenylamino)-3-[2-[6-sulfo-4-[2-(4-sulfophenyl)diazenyl]-1-naphthalenyl]diazenyl]-, sodium salt (1:3)
6421-85-8
1243164
1-Hydroxy-6-ureido-3-naphthalenesulfonic acid
88640-55-5
1250713
2-Naphthalenesulfonic acid,5-[[4-[[4-chloro-6-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-4-hydroxy-6-(methylamino)-,trisodium salt
1261058
7,7-Iminobis[4-hydroxy-3-[(2-hydroxyphenyl)azo]-2-naphthalenesulfonic acid]disodium salt
918634-83-0
1235371
2-Naphthalenesulfonic acid,7-[(4-amino-3-sulfophenyl)amino]-4-hydroxy-3-[2-[2-(2-hydroxyethoxy)-5-methyl-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:3)
62512-38-3
1256355
1-Naphthalenesulfonic acid,3-hydroxy-4-[(4-hydroxy-2-naphthalenyl)azo]-8-nitro-, sodium salt
93233-09-1
1248527
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-3-(8-quinolinylazo)-
161412-70-0
1260569
2-Naphthalenesulfonic acid, 6-amino-5-5-(4-amino-6-chloro-1,3,5-triazin-2-yl)amino-2-sulfo-4-4-2-(sulfooxy)ethylsulfonylphenylazophenylazo-4-hydroxy-, sodium salt
1254255
4,8-Dibutyl-1-naphthalenesulfonic acid
916065-62-8
1254091
2-Naphthalenesulfonic acid,7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, potassium salt(1:4)
85739-80-6
1255660
2-Naphthalenesulfonic acid,7,7'-[(6-chloro-1,3,5-triazine-2,4-diyl)diimino]bis[4-hydroxy-, disodiumsalt
64181-80-2
1234700
2-Naphthalenesulfonic acid,6-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-, trisodium salt
918634-75-0
1231979
2-Naphthalenesulfonic acid,4-hydroxy-3-[2-[2-(2-hydroxyethoxy)-5-methyl-4-[2-(2-methyl-4-sulfophenyl)diazenyl]phenyl]diazenyl]-7-(phenylamino)-, sodium salt (1:2)
247178-43-4
1260778
Naphthalenesulfonic acid, tris(1-methylethyl)-, iron salt
1240293
1-Naphthalenesulfonic acid, 8-(phenylamino)-, magnesium salt
82944-41-0
1261057
5-[[2-[(N-Ethyl-N-phenylamino)sulfonyl]phenyl]azo]-6-hydroxy-2-naphthalenesulfonic acid sodium salt
91671-98-6
1260639
2-Naphthalenesulfonic acid, 4-hydroxy-6-(phenylamino)-, coupled with diazotized 2-methyl-5-nitrobenzenesulfonic acid-p-phenylenediamine reaction products, sodium salts
77319-00-7
1260257
1-Naphthalenesulfonic acid,3-[(4-amino-4H-1,2,4-triazol-3-yl)azo]-4-hydroxy-, monosodium salt
63970-02-5
1241087
1-Naphthalenesulfonic acid, 8-bromo-
167952-00-3
1252536
2-Naphthalenesulfonic acid, 8,8'-methylenebis[5-bromo-, disodium salt
918634-94-3
1235374
1-Naphthalenesulfonic acid,4-[2-[4-[2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-7-sulfo-1-naphthalenyl]diazenyl]-, sodium salt (1:3)
918634-74-9
1231978
2-Naphthalenesulfonic acid,4-hydroxy-3-[2-[2-(2-hydroxyethoxy)-5-methyl-4-[2-(4-methyl-2-sulfophenyl)diazenyl]phenyl]diazenyl]-7-(phenylamino)-, sodium salt (1:2)
139146-68-2
1256014
1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo-,2-[5-[[4-(diphenylamino)phenyl]methylene]-4-oxo-2-thioxo-3-thiazolidinyl]ethyl ester