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
- 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
7,7'-(carbonyldiimino)bis(4-hydroxy-2-naphthalenesulfonic acid) disodium salt
disodium
98635-32-6
1234844
2-[6-[4-Fluoro-6-[2-(2-vinylsulfonylethoxy)ethylamino]-1,3,5-triazin-2-ylamino]-1-hydroxy-3-sodiosulfo-2-naphtylazo]-1,5-naphthalenedisulfonic acid disodium salt
71605-61-3
1249576
disodium 1-(hydroxy-oxido-phosphoryl)-2-(8-thia-7,9-diazabicyclo[4.3.0 ]nona-2,4,6,9-tetraen-2-ylmethylamino)ethanethiolate
71598-15-7
1249562
7,7-[Carbonylbis(imino-4,1-phenyleneazo)]bis(1,3-naphthalenedisulfonic acid disodium) salt
652970-74-6
1240588
2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-dihydroxy-,disodium salt
90677-70-6
1230511
Disodium (3-hydroxy-4-((2-hydroxy-1-naphthyl)azo)-7-nitronaphthalene-1-sulphonato(3-))(N-((2-hydroxyphenyl)methylene)glycinato(2-)-N,O,ON)chromate(2-)
6417-26-1
1230566
[[4-[[1-Hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-3,3-dimethoxy[1,1-biphenyl]-4-yl]amino]oxoacetic acid disodium salt
5938-85-2
1250566
disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
73157-47-8
1249094
1-Amino-9,10-dihydro-9,10-dioxo-4-[[3-[[[2-(sulfooxy)ethyl]sulfonyl]methyl]phenyl]amino]-2-anthracenesulfonic acid disodium salt
1250920
4,8-Diamino-9,10-dihydro-1,3,5,7-tetrahydroxy-9,10-dioxoanthracene-2,6-disulfonic acid disodium salt
6416-33-7
1230517
disodium 4-[(2,4-dichlorobenzoyl)amino]-5-hydroxy-6-[(2-methoxyphenyl)azo]naphthalene-1,7-disulphonate
52148-45-5
1245368
disodium 2,6-dimethyl-3,5-dipropanoylpyridine-1,4(4H)-dicarboxylate
848988-93-2
1246775
Benzenesulfonic acid, 3,3'-sulfonylbis[6-methyl-, disodium salt
606-68-6
1248509
Nicotinamid-adenin-dinucleotid(reduced)disodiumsaltgradei(nad
65277-52-3
1237445
disodium 1-[2-[(1-oxoundec-10-enyl)amino]ethyl] 2-sulphonatosuccinate
84852-24-4
1237886
disodium 6-amino-4-hydroxy-5-[[4-[[(4-methyl-2-sulphonatophenyl)amino]sulphonyl]phenyl]azo]naphthalene-2-sulphonate
331465-39-5
1246130
4-[[4-Chloro-6-(1-naphthalenylamino)-1,3,5-triazin-2-yl]amino] -5-hydroxy-2,7-naphthalenedisulfonic acid, disodium salt reaction products with 2-amino-4-[(2,3-dibromo-1-oxopropyl) amino]benzenesulfonic acid, trisodium salt
7664-47-3
1249347
1,2-Benzenediol, disodium salt
110796-33-3
1232770
3H-Xanthene-1-carboxylic acid,6-hydroxy-3-oxo-9-(2,3,4,5-tetrachlorophenyl)-, disodium salt
68957-70-0
1238281
disodium 2,2-methylenebis[4,6-dichlorophenolate]
100929-51-9
1235463
NAPHTHOL AS-GR PHOSPHATE DISODIUM
6527-62-4
1237440
disodium 5-((4-((4-chloro-3-sulfonatophenyl)azo)-1-naphthyl)azo)-8-(phenylamino)-1-naphthalenesulfonate
88423-70-5
1244183
2,7-Naphthalenedisulfonic acid,[[2,6-bis(1-methylethyl)phenyl]azo]-3-hydroxy-, disodium salt
60662-80-8
1248494
disodium 1-[[4-[[(2,6-dimethyl-4-pyrimidinyl)amino]sulphonyl]phenyl]amino]-3-phenylpropane-1,3-disulphonate
531557-25-2
1233863
Butanoic acid, 4-[(2-hydroxyethyl)undecylamino]-4-oxo-3-sulfo-,disodium salt
6420-09-3
1238765
5-Amino-4-hydroxy-3-[[4-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]-3,3-dimethyl-1,1-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
14787-61-2
1244835
Propanedioic acid, hydroxy-, disodium salt
112805-07-9
1245107
Ethanesulfonic acid, 2-[cyclohexyl(dithiocarboxy)amino]-, disodium salt
84852-31-3
1237887
disodium 6-(acetylamino)-3-[[5-(acetylamino)-2-sulphonatophenyl]azo]-4-hydroxynaphthalene-2-sulphonate
88216-83-5
1242106
Phosphonic acid, dodecyl-, disodium salt, tetrahydrate
1240212
Mixture of 2,5-dichloro-4-[4-[[5-[[4-chloro-6-[[4-(ethenylsulfonyl)phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid, disodium salt(627463-71-2) and 2,5-dichloro-4-[4-[[5-[[4-chloro-
4857-56-1
1247863
disodium 2-[3-(5-chloro-2-methoxyphenyl)-1-ethyltriazen-2-yl]-5-sulphonatobenzoate
6420-38-8
1238778
disodium 7,7-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxynaphthalene-2-sulphonate]
95710-86-4
1245928
Benzoic acid, 4-[(3-carboxy-4-hydroxyphenyl)azo]-2-hydroxy-, disodiumsalt
146386-55-2
1236051
H-TYR(SO 3H)-OH,DISODIUM SALT
59514-53-3
1238537
2,7-Naphthalenedisulfonic acid, 4,5-bis(2-hydroxyethoxy)-, disodiumsalt
591748-73-1
1230818
Hexanedioic acid, bis(2-hydroxy-3-sulfopropyl) ester, disodium salt