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Azo compound

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Organic compound » Azo compound
Selected category: Azo compound
Total count of records found: 64. Showed records: 20.

41. Trypan blue

Molecular formula: C34H24N6Na4O14S4 CAS# 72-57-1
Categories: Azo compound , Amine , Dye , Organic salt , Phenols
Names
English:
2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)di(E)-2,1-diazenediyl]bis[5-amino-4-hydroxy-, sodium salt (1:4)(CAS)
;
3,3'-[(3,3'-Dimethyl-4,4'-biphenylene)bis(azo)]bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonic Acid) Tetrasodium Salt
;
3,3'-[(3,3'-Dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonic Acid] Tetrasodium Salt
;
C.I. 23850
;
C.I. Direct Blue 14
;
C.I. Direct Blue 14, tetrasodium salt
;
Congo Blue
;
Diamine Blue
;
Dianil blue
;
Diphenyl Blue
;
Direct Blue 14
;
EINECS:200-786-7
;
NCI C61289
;
Naphthylamine Blue
;
Tetrasodium 3,3'-[(3,3'-Dimethyl-4,4'-biphenylene)bis(azo)]bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonate)
;
Tetrasodium 3,3'-[(3,3'-dimethyl-4,4'-biphenyldiyl)di(E)-2,1-diazenediyl]bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonate)(IUPAC)
;
Tetrasodium 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)di(E)diazene-2,1-diyl]bis(5-amino-4-hydroxynaphthalene-2,7-disulfonate)
;
Trypan blue [Wiki]
;
Trypane Blue
;
VisionBlue
;
[72-57-1]
;
tetrasodium;(3Z)-5-amino-3-[[4-[4-[(2Z)-2-(8-amino-1-oxo-3,6-disulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate(IUPAC)
;
`/<\SO3Na>`=`\`=`\<`-NaO3`S>//-</NH2>\\<`/>-</OH>\\-N\\N-\-//<`\`=`/\`/H3C>-\\-<\CH3>//<`\`=`/>-N//N-\<`/NaO3`S>=/=/<-SO3Na>`\\`-<`\H2N>`//<\>`-<`\HO>`//
|<_(a-35)S<_qq4O><_(a0,N2)O>_p4O`^-_(a0,N0)Na`^+>`//`\`//`\<`/S<_qq4O><_(a0,N2)O>_p4O`^-_(a0,N0)Na^+>`||/<`|H2N>\\<|>/`|O|\//N\N<_(y.5)H>/\/`||<`\`//|\|>/`||/<`|>\\<|`//`\>/N<_(y-.5)H>\N//\|O`|/\\<|NH2>/`||</S<_qq4O><_(a0,N2)O>_p4O^-_(a0,N0)Na^+>`\`//<|>`\`//<|>_(a80)S<_qq4O><_(a0,N2)O>_p4O^-_(a0,N0)Na^+

42. Janus Green B

Molecular formula: C30H31ClN6 CAS# 2869-83-2
Names
English:
3-(Diethylamino)-7-[[4-(dimethylamino)phenyl]azo]-5-phenylphenazinium Chloride
;
3-(Diethylamino)-7-{(E)-[4-(dimethylamino)phenyl]diazenyl}-5-phenylphenazin-5-ium chloride(IUPAC)
;
8-[[4-(dimethylamino)phenyl]diazenyl]-N,N-diethyl-10-phenylphenazin-10-ium-2-amine;chloride(IUPAC)
;
B9KQ101KHX
;
C.I. 11050
;
Diazin Green S
;
EINECS:220-695-6
;
Janus Green B [Wiki]
;
Phenazinium, 3- (diethylamino)-7-[[4-(dimethylamino)phenyl]azo]-5-phenyl-, chloride
;
Phenazinium, 3- (diethylamino)-7-[[p-(dimethylamino)phenyl]azo]-5-phenyl-, chloride
;
Phenazinium, 3-(diethylamino)-7-[(E)-2-[4-(dimethylamino)phenyl]diazenyl]-5-phenyl-, chloride (1:1)(CAS)
;
Union Green B
;
`|/N<`|/>\/\\/N^+</0Cl^-><`|//`|`\\`/||\>\\/\\<|`//`\<`|>`//N`\<`|>`//`\`||>/N\\N/`|//\<||`/`\\>/N<`|>\
/\N<|`/>/`|//\//N\//<`|0Cl^->\||<\N//N\||\//<`|`\\`/>\N<|>/>`/`\\<`|>`/N^+<`\\<`|>`/`\\>|\||`/`\\`|//

43. 4-Anilinoazobenzene

Molecular formula: C18H15N3 CAS# 101-75-7
1.12.8 pH
Names
English:
4-(Phenylazo)diphenylamine
;
4-Anilinoazobenzene
;
Benzenamine, N-phenyl-4-(2-phenyldiazenyl)-(CAS)
;
EINECS:202-972-3
;
N-Phenyl-4-(phenyldiazenyl)aniline(IUPAC)
;
N-phenyl-4-(phenylazo)aniline
;
N1-phenyl-4-(2-phenyldiaz-1-enyl)aniline
;
benzeneazodiphenylamine
;
diphenylamine, 4-phenylazo-
;
p-Phenazodiphenylamine
;
`/`=`\//-\\-N=N-//-\\<`/`=`\>-N<_(y.5)H>-//-\\`/`=`\
||`/`\\`|//\/N<_(y-.5)H>\//\||<`/`\\`|>\N||xN\//\||`/`\\`|

44. Orange G

Molecular formula: C16H10N2Na2O7S2 CAS# 1936-15-8
11.514 pH
Names
English:
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8- (phenylazo)-, disodium salt
;
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[(E)-2-phenyldiazenyl]-, sodium salt (1:2)(CAS)
;
1,3-naphthalenedisulfonic acid, 7-hydroxy-8-[(E)-phenylazo]-, disodium salt
;
1Q6EJU80RN
;
C.I. 16230
;
C.I. 27
;
C.I. Food Orange 4
;
Disodium 7-hydroxy-8-[(E)-phenyldiazenyl]-1,3-naphthalenedisulfonate(IUPAC)
;
Disodium 7-hydroxy-8-[(E)-phenyldiazenyl]naphthalene-1,3-disulfonate
;
EINECS:208-346-6
;
Orange G [Wiki]
;
||`/`\\`|//\/N\\N/\//<`|`\\`/|`|`\HO>\||<\S<_qq4O><_pp4O>\O^-\0Na^+>`/`\\<`|>`/S<_qq4O><_pp4O>`/O`^-`/0Na`^+
Na`^+/0O`^-\S<_qq4O><_pp4O>\|\\<|S<_qq4O><_pp4O>|O`^-`/0Na`^+>/`|/\\|\`O`\`/<`\`|`\`//>||N\NH|\||`/`\\`|//

45. Ponceau 2R

Molecular formula: C18H14N2Na2O7S2 CAS# 3761-53-3
Categories: Azo compound , Dye , Organic salt , Phenols
Names
English:
2,6-Naphthalenedisulfonic acid, 4-[(E)-2-(2,4-dimethylphenyl)diazenyl]-3-hydroxy-, sodium salt (1:2)(CAS)
;
2,6-naphthalenedisulfonic acid, 4-[(E)-(2,4-dimethylphenyl)azo]-3-hydroxy-, disodium salt
;
3761-53-3 [RN]
;
Acid Red 26
;
BRILLIANT PONCEAU G
;
C.I. 16150
;
D & C red no. 5
;
Dinatrium-4-[(E)-(2,4-dimethylphenyl)diazenyl]-3-hydroxy-2,6-naphthalendisulfonat
;
Disodium 4-[(E)-(2,4-dimethylphenyl)diazenyl]-3-hydroxy-2,6-naphthalenedisulfonate(IUPAC)
;
Disodium 4-[(E)-(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,6-disulfonate
;
EINECS:223-178-3
;
Food Red 5
;
Ponceau 2R [Wiki]
;
Ponceau G
;
Ponceau MX
;
Ponceau Red R
;
Red R
;
Xylidine ponceau
;
Xylidine ponceau 2R
;
acetacid red j
;
acid ponceau r
;
acid scarlet 2R
;
acilan ponceau rrl
;
ahcocid fast scarlet r
;
aizen ponceau rh
;
amacid scarlet 2R
;
calcocid scarlet 2R
;
calcolake scarlet 2R
;
certicol ponceau mxs
;
comacid scarlet 2R
;
edicol ponceau rs
;
hexacol ponceau 2R
;
hispacid ponceau r
;
java ponceau 2R
;
kiton ponceau 2R
;
lake scarlet r
;
naphthalene scarlet r
;
naphthazine scarlet 2R
;
neklacid red rr
;
new ponceau 4R
;
paper red hrr
;
pigment ponceau r
;
scarlet 2R
;
xylidine red
;
-/-\\<`/`=`\/`\>-N//N-/<`\HO>=</SO3^-# -0Na^+>\`//`-<`\\>`/\\-<//`\>\SO3^-# -0Na^+
|`//`\<`/H3C>`||/<`|H3C>\\/N\\N/\<|OH>//<\S<_qq4O><_pp4O>\O^-\0Na^+>`|`\\`/|`|`\`||</\\|>`\S<_qq4O><_pp4O>`\O`^-`/0Na`^+
Na`^+/0O`^-\S<_qq4O><_pp4O>\|`/O/\<||N`/HN|`/|\\<|>/`||`\`/`\>/`|/\\<|`//`\`|`\`//>/S<_qq4O><_pp4O>/O^-\0Na^+

46. Ponceau 6R

Molecular formula: C20H12N2Na2O7S2 CAS# 2766-77-0
Names
English:
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(1-naphthalenylazo)-, disodium salt (9CI)
;
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[(E)-2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2)(CAS)
;
Acid Leather Ponceau 6R
;
Acid Ponceau 6R
;
Acid Red 44
;
Acid Red 6A
;
Brilliant crystal scarlet 6R
;
C.I. 16250
;
C.I. Acid Red 44
;
Colacid Red 6A
;
Crystal Ponceau M6R
;
Crystal ponceau 6R
;
Crystal scarlet
;
Disodium 7-hydroxy-8-[(E)-1-naphthyldiazenyl]-1,3-naphthalenedisulfonate(IUPAC)
;
Disodium 7-hydroxy-8-[(E)-1-naphthyldiazenyl]naphthalene-1,3-disulfonate
;
E 126
;
EINECS:220-441-4
;
Ponceau 6R [Wiki]
;
W8UOR0932R
;
disodium 7-hydroxy-8-[(E)-naphthalen-1-yldiazenyl]naphthalene-1,3-disulfonate
;
\`//`-`\\`-`\\/=\<`/>=/N=N/`\/=\`/<`-`\`-HO>\\<`/S<_qq4O><_pp4O>_(a0)O`^-_(a0,N0)Na^+>-//<`\`=>-S<`||O><||O>-O^-\0Na^+
/\O`\`|`\\`/|`/<|S<_qq4O><_pp4O>|O`^-`/0Na^+>`\\`|<`\S<_qq4O><_pp4O>`\O`^-`/0Na^+>//\|\||N\NH|`//|\\/\\/`||`\`//<|>`\
|`/`\<`/HO>`||/\\/\\<_q6SO3^-# -0Na^+>|`//<|SO3^-# -0Na^+>`\`/|N\\N|\|\//`|`\\`/|`/`\\`|//

47. 4-(2-Pyridylazo)resorcinol

Molecular formula: C11H9N3O2 CAS# 1141-59-9
Names
English:
1,3-Benzenediol, 4-(2-pyridinylazo)-
;
1,3-Benzenediol, 4-[(E)-2-(2-pyridinyl)diazenyl]-(CAS)
;
1-(2-Pyridylazo)resorcinol
;
4-(2-PYRIDINYLAZO)-1,3-BENZENDIOL
;
4-(2-Pyridlyazo)resorcinol
;
4-(2-Pyridylazo)-2-resorcinol
;
4-(2-Pyridylazo)resorcinol
;
4-(2-pyridin-2-yldiazenyl)benzene-1,3-diol
;
4-(Pyridin-2-yldiazenyl)benzene-1,3-diol
;
4-[(E)-2-Pyridinyldiazenyl]-1,3-benzenediol(IUPAC)
;
4-[(E)-Pyridin-2-yldiazenyl]benzene-1,3-diol
;
EINECS:214-528-6
;
N68T40H95T
;
PAR
;
[1141-59-9]
;
resorcinol, 4-(2-pyridylazo)-
;
HO-//-</OH>\\<`/`=`\>-N//N-//N-\\`/`=`\
`\\`|//\||N`/|HN\N||\||`/|O`|`\`||<`\HO>/

48. Red 2G

Molecular formula: C18H13N3Na2O8S2 CAS# 3734-67-6
Names
English:
2,7-Naphthalenedisulfonic acid, 5- (acetylamino)-4-hydroxy-3-(phenylazo)-, disodium salt
;
2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-[(E)-2-phenyldiazenyl]-, sodium salt (1:2)(CAS)
;
3365R6427R
;
Acetyl Red G
;
Acetyl Red J
;
Acetyl Rose 2GL
;
Acid Bright Red
;
Acid Brilliant Red
;
Acid Fast Red EGG
;
Acid Phloxine GA
;
Acid Red GA
;
Acid Rose 2GL
;
Acidine Red G
;
Amacid Phloxine G
;
Ariavit Red 2G
;
Azo Geranine 2G
;
Azo Geranine 2GA
;
Azo Phloxine GA
;
Azo Rhodine 2G
;
Azonaphthol Red J
;
Azophloxine
;
Belacid Phloxine G
;
C.I. 118050
;
C.I. 18050
;
Disodium 5-acetamido-4-hydroxy-3-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate(IUPAC)
;
Disodium 5-acetamido-4-hydroxy-3-[(E)-phenyldiazenyl]naphthalene-2,7-disulfonate
;
E 128
;
EINECS:223-098-9
;
Egacid Red G
;
Erio Floxine 2G
;
Erio Floxine 2GN
;
Fast Drimson GR
;
Fenazo Red B
;
Geranine 2GS
;
Hexacol Red 2G
;
Hexalan Red 2G
;
Java Naphtol Red G
;
Kiton Fast Red G
;
Kiton Red G
;
Leather Red G
;
Lissamine Red 2G
;
Naphtocard Red 2G
;
Phloxine 2G
;
Phloxine G
;
Red 2G [Wiki]
;
[3734-67-6]
;
|`//`\`||/\\/N\\N/\/`||`\<`//<`\HO>|\|SO3Na>`|<`\HN`|`\O\/CH3>//\</SO3Na>||`/
|`//`\`||/\\/N<_(y-.5)H>\N//\|O`|/`|/\\</S<_qq4O><_pp4O>/O^-`|0Na^+>|`//<|HN\/O`/|>`\`|`\`//<|>_(a90)S<_qq4O><_pp4O>_(a0)O`^-`|0Na^+

49. Sirius Red

Molecular formula: C45H26N10Na6O21S6 CAS# 2610-10-8
Categories: Azo compound , Dye , Organic salt
Names
English:
2-Naphthalenesulfonic acid, 7,7'-(carbonyldiimino)bis[4-hydroxy-3-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:6)(CAS)
;
C.I. 35780
;
Direct Red 80
;
EINECS:220-027-3
;
Hexasodium 4-hydroxy-7-({[5-hydroxy-7-sulfonato-6-({2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl}diazenyl)-2-naphthyl]carbamoyl}amino)-3-({2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl}diazenyl)naphthalene-2-sulfonate
;
Hexasodium 7,7'-(carbonyldiimino)bis[4-hydroxy-3-({2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl}diazenyl)-2-naphthalenesulfonate](IUPAC)
;
Picrosirius Red
;
Sirius Red [Wiki]
;
Na^+\0O`^-/@:s(d)S<_(a&d90,N2)O><_(a&d30,N2)O>@(-)\//\||<`/`\\`|>\N//N\//\</@s(-)\O^-/0Na^+>||`<`/`\\`|>\N//N\|<`/@s(-)`\O`^-`/0Na`^+>\\/`|/\\|<`//`\`|`\`/c/`|OH>\N<_(y.5)H>/`|O|\N<_(y.5)H>/`|//\|\//<\@s()/O^-\0Na^+>`|<`\\<`|HO>`/|`/`\\>/N\\N/`||<`\@s()`/O`^-`\0Na^+>/\\<|`//`\>/N\\N/`||/\\<|`//`\>/@s(-)\O^-/0Na^+

50. Sudan Red 7B

Molecular formula: C24H21N5 CAS# 6368-72-5
Categories: Azo compound , Dye
Names
English:
1-(4-Phenylazo-phenylazo)-2-ethylaminonaphthalene
;
1-[4-(Phenylazo)-phenylazo]-2-ethylaminonaphthalene
;
2-Naphthalenamine, N-ethyl-1-((4-(phenylazo)phenyl)azo)-
;
2-Naphthalenamine, N-ethyl-1-[(E)-2-[4-[(E)-2-phenyldiazenyl]phenyl]diazenyl]-(CAS)
;
8QUH39Y06P
;
C.I. 26050
;
Ceres Red 7B
;
EINECS:228-862-5
;
Fat red bluish
;
Hexatype Carmine B
;
Lacquer Red V3B
;
N-Ethyl-1-((p-(phenylazo)phenyl)azo)-2-naphthalenamine
;
N-Ethyl-1-[(E)-{4-[(E)-phenyldiazenyl]phenyl}diazenyl]-2-naphthalenamine(IUPAC)
;
N-Ethyl-1-[(E)-{4-[(E)-phenyldiazenyl]phenyl}diazenyl]naphthalen-2-amine
;
N-Ethyl-1-[[4-(phenylazo)phenyl]azo]-2-naphthylamine
;
N-Ethyl-1-[[p-(phenylazo)phenyl]azo]-2-naphthalenamine
;
N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine(IUPAC)
;
Oil Violet
;
Organol Bordeaux B
;
Solvent Red 19
;
Special Blue X 2137
;
Special Blue X-2137
;
Sudan Red 7B [Wiki]
;
Sudanrot 7B
;
Typogen Carmine
;
fat red 7B
;
sudan 7b
;
`/|NH`/|`/`\`/||\//`|`\`|//\|\N//N\||\//<`|`\\`/>\N//N\||\//`|`\\`/
`/`=`\//-\\-N//N-//-\\<`/`=`\>-N//N-/-\\`/`=<`/HN\`/>`\/`\//-\\`/

51. Sulfarsazen

Molecular formula: C18H12AsN6Na3O8S CAS# 1772-02-7
Names
English:
Benzenesulfonic acid, 4-[(E)-2-[4-[(2E)-3-(2-arsono-4-nitrophenyl)-2-triazen-1-yl]phenyl]diazenyl]-, sodium salt (1:3)(CAS)
;
EINECS:217-197-6
;
Sulfarsazen
;
Trisodium 4-[(E)-{4-[(2E)-3-(2-arsonato-4-nitrophenyl)-2-triazen-1-yl]phenyl}diazenyl]benzenesulfonate(IUPAC)
;
trisodium;4-[[4-[2-(2-arsonato-4-nitrophenyl)iminohydrazinyl]phenyl]diazenyl]benzenesulfonate(IUPAC)
;
Na^+\0O`^-/S<_qq4O><_pp4O>/\\/`||<`\`//|>/N\\N/\\/`||<`\`//|>/N<_(y-.5)H>\N//N\/\||<\N^+|O`|/O^->`/`\\`|/`|As<`=O><-O^-$slope(45)/0Na^+>`|O^-/0Na^+

52. Sodium 4-({4-[3-(2-arsono-4-nitrophenyl)triaz-1-en-1-yl]phenyl}diazenyl)benzenesulfonate

Molecular formula: C18H14AsN6NaO8S
Names
English:
Benzenesulfonic acid, 4-[2-[4-[3-(2-arsono-4-nitrophenyl)-1-triazen-1-yl]phenyl]diazenyl]-, sodium salt (1:1)(CAS)
;
Sodium 4-({4-[(2E)-3-(2-arsono-4-nitrophenyl)-2-triazen-1-yl]phenyl}diazenyl)benzenesulfonate(IUPAC)
;
Sodium 4-({4-[3-(2-arsono-4-nitrophenyl)triaz-1-en-1-yl]phenyl}diazenyl)benzenesulfonate
;
NaO3`S-//-\\<`/`=`\>-N=N-//-\\<`/`=`\>-N<_(y-.5)H>-N=N-\\-//<-NO2>`\`=<`/>`\As<_q4HO><_p4OH>_(a0,N2)O
NaO3`S\=\`//<`-`\\/>\N`//N\=\`//<`-`\\/>\HN-N//N-\\-//<-NO2>`\`=<`/>`\As<_q4HO><_p4OH>_(a0,N2)O
O^-`/N^+`\O\|`/||<`/As<_qq4O><_p4HO>`/HO>\<//`|`\\>|HN\N||xN\||\//<`|`\\`/>\N//xN\|\\/<`||`\`//>\S<_pp4O><\\O>_q4O^-_(a0,N0)Na^+

53. Zincon

Molecular formula: C20H16N4O6S CAS# 135-52-4
Names
English:
2-[(2E)-2-{[(E)-(2-Hydroxy-5-sulfophenyl)diazenyl](phenyl)methylene}hydrazino]benzoic acid(IUPAC)
;
Benzoic acid, 2-[(2E)-2-[[(E)-2-(2-hydroxy-5-sulfophenyl)diazenyl]phenylmethylene]hydrazinyl]-(CAS)
;
EINECS:263-651-1
;
SCHEMBL651576
;
SCHEMBL8651580
;
Zincon
;
[135-52-4]
;
[59600-76-9]
;
OH`\`|O|`/|`/`\\`|//\|\N<_(y.5)H>/N\\<|`//|\\/`||`\>/N\\N/\//<`|`\\`/|`|`\HO>\S<_qq4O><_pp4O>\OH
OH|S<_qq4O><_pp4O>|\||`/|O`|`\<`|//>`//N|N`//<`\`//`\`||/\\|>|HN\NH|`//|\\/`||<`\>/`|O|\OH

54. Brown HT

Molecular formula: C27H18N4Na2O9S2 CAS# 4553-89-3
Names
English:
067L3J47ID
;
1-Naphthalenesulfonic acid, 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]di(E)-2,1-diazenediyl]bis-, sodium salt (1:2)(CAS)
;
1-naphthalenesulfonic acid, 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]diazo]bis-, disodium salt
;
Brown HT [Wiki]
;
C.I. 20285
;
C.I. Food Brown 3
;
Chocolate Brown HT
;
Disodium 4,4'-{[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]di(E)-2,1-diazenediyl}di(1-naphthalenesulfonate)(IUPAC)
;
E155
;
Food Brown 3
;
[4553-89-3]
;
Na^+\0O`^-/S<_(a-90,N2)O><_(a-30,N2)O>\|\|`//`\`||/\/<`||`\`//>\N//N\||\<|\OH>//<\OH>`|<`\\<`|OH>`/>/N\\N/\|\\/`||`\`/`\`|//\|`|/S<_(a-90,N2)O><_(a-30,N2)O>\O^-/0Na^+
Na^+/0O`^-# -S<`||O><||O>-/`\//-\\`/\`/`=`\/-\-N//N-\<`/HO>=<\`/HO>/`\\<`-<`//>`\HO>/N=N/-\=/`\\`-`\`-`//\-/`\/S<_qq4O><_pp4O>/O^-# -0Na^+
Na^+/0O^-`|S<_qq4O><_pp4O>`|/\\/`||`\`//<|>`\<`//|\\>`|NH`\N`||`\`/O/`|<`\`|HO>//\<|\O`\`/>//N\N<_(y.5)H>/`|/<`||`\`//|\\>\<||`/`\\>/S<_qq4O><_pp4O>/O^-\0Na^+

55. Eriochrome Red B

Molecular formula: C20H15N4NaO5S CAS# 3618-63-1
Names
English:
1-Naphthalenesulfonic acid, 3-hydroxy-4-[(E)-2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]-, sodium salt (1:1)(CAS)
;
ACID RED 195
;
C.I. 18760
;
EINECS:222-811-0
;
ERB
;
Eriochrome Red B
;
Mordant Red 7
;
Sodium 3-hydroxy-4-[(E)-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]-1-naphthalenesulfonate(IUPAC)
;
Sodium 3-hydroxy-4-[(E)-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]naphthalene-1-sulfonate
;
W038OX77W2
;
[3618-63-1]
;
N`|N<_(a-54)_q6_pp6_p6_pp6_p6_pp6>_p<_(a-54)OH>_pp<_p<_(a-54)>_pp>-N//N-/`\//-\\`/\`/`=<`/HO>`\/-\-S<`||O><||O>-O^-/0Na^+
NH_(x-1)N<_(a54)_q6_pp6_p6_pp6_p6_pp6>_q<_(a54,N2)O>_q<_qq<_q>_(a54)>|HN\N||\//\||`/`\\<`|>`/<`\\`|`\O\/>|S<_qq4O><_pp4O>|O`^-\0Na^+

56. Mordant Black 3

Molecular formula: C20H13N2NaO5S CAS# 2538-85-4
Names
English:
1-Naphthalenesulfonic acid, 3-hydroxy-4-[(E)-2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)(CAS)
;
Acid Chrome Blue
;
Alizarine Blue Black R
;
Alizarine Chrome Black 6B
;
Atlantichrome Blue Black RZN
;
Azochromol Blue Black R
;
Blue Black R
;
C.I.Mordant Black 17
;
Calcochrome Blue Black R
;
CalconTM
;
Chromazine Blue Black R
;
Chrome Acid Blue
;
Chrome Fast Blue M
;
Chromocard Blue Black R
;
Colour Index, Mordant Black 17
;
Cromal Blue Black R
;
Diacromo Blue B
;
Diamond Fast Blue E
;
Erichrome Blue Black R (C.I. 15705)
;
Eriochrome Blue Black B
;
Eriochrome Blue Black R
;
Fast Chrome Cyanine 2B
;
Fenakrom Blue Black R
;
Hispacrom Blue B
;
Java Chrome Blue Black RN
;
Kayaku Chrome Blue Black R
;
Kenachrome Dark Blue B
;
Lighthouse Chrome Dark Blue B
;
Magracrom Blue
;
Mordant Black 3
;
Sodium 3-hydroxy-4-[(E)-(2-hydroxy-1-naphthyl)diazenyl]-1-naphthalenesulfonate(IUPAC)
;
Sodium 3-hydroxy-4-[(E)-(2-hydroxy-1-naphthyl)diazenyl]naphthalene-1-sulfonate
;
calcon
;
sodium 3-hydroxy-4-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
;
Na^+/0O`^-# -S<||O><`||O>-\`/\\-//`\/`\</OH>`=`/\-/-N//N-/<`\HO>=/=\`//`-<`\>`//`-`\\
HO/\`\`|`\\`|//\||<`/>\||`/|HN\N||\//\||`/`\\<`|>`/<`\\`|`\O\/>|S<_qq4O><_pp4O>|O`^-\0Na^+

57. Benzopurpurine 4B

Molecular formula: C34H26N6Na2O6S2 CAS# 992-59-6
1.34 1314 pH
Names
English:
1-Naphthalenesulfonic acid, 3,3'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)di(E)-2,1-diazenediyl]bis[4-amino-, sodium salt (1:2)(CAS)
;
3,3'-[(3,3'-Dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-1-naphthalenesulfonic Acid] Disodium Salt
;
Benzopurpurine 4B
;
C.I. 23500
;
Direct red 2
;
Disodium 3,3'-[(3,3'-dimethyl-4,4'-biphenyldiyl)di(E)-2,1-diazenediyl]bis(4-amino-1-naphthalenesulfonate)(IUPAC)
;
Disodium 3,3'-[(3,3'-dimethylbiphenyl-4,4'-diyl)di(E)diazene-2,1-diyl]bis(4-aminonaphthalene-1-sulfonate)
;
G519JHX5MJ
;
Sultan Red 4B
;
[992-59-6]
;
disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]naphthalene-1-sulfonate(IUPAC)
;
Na^+\0O^-|S<_qq4O><_pp4O>|`/`\\`/||\//<`|>\<|NH2>//<`|`\\>\N//N\/\||<`/`\\`|/`|CH3>\||\<|CH3>//<`|`\\`/>\N//N\/\//\||`/`\\<`|>`/<`\\`|/`|NH2>|S<_qq4O><_pp4O>|O^-\0Na^+
`/<\NH2>`=`/`=`\//-<\>//<`\S<_pp4O><_(a0,N2)O>_q4O`^-_(a80,N0)Na^+>-\\-N//N-/-\\<`/`=`\/`\>-//-</>\\<`/`=`\>-N//N-/<`\H2N>=/=\`//`-<`\>`//<`-`\\>\S<_pp4O><_(a0,N2)O>_q4O^-_(a70,N0)Na^+

58. Benzyl orange

Molecular formula: C19H16KN3O3S CAS# 589-02-6
1.93.3 pH
Names
English:
Benzenesulfonic acid, 4-[(E)-2-[4-[(phenylmethyl)amino]phenyl]diazenyl]-, potassium salt (1:1)(CAS)
;
Benzyl orange
;
EINECS:209-630-2
;
Potassium 4-{(E)-[4-(benzylamino)phenyl]diazenyl}benzenesulfonate(IUPAC)
;
potassium;4-[[4-(benzylamino)phenyl]diazenyl]benzenesulfonate
;
K^+/0O`^-# -S<`||O><||O>-\\-//<`\`=`/>-N//N-\\-//<`\`=`/>-NH\-\\-//`\`=`/
K^+`/0O^-|S<_qq4O><_pp4O>|\||`/<`\\`|//>|N`//N|\||`/<`\\`|//>|NH`/|\\|`//`\`||/

59. 4-Phenyldiazenylnaphthalen-1-amine

Molecular formula: C16H13N3 CAS# 131-22-6
Categories: Azo compound , pH indicator
3.75.7 pH
Names
English:
(4-phenylazo-1-naphthyl)amine
;
1-Naphthalenamine, 4- (phenylazo)-
;
1-Naphthalenamine, 4-[(E)-2-phenyldiazenyl]-(CAS)
;
4-(PHENYLAZO)-1-NAPHTHALENAMINE
;
4-(phenylazo)-1-naphthylamine
;
4-Phenyldiazenylnaphthalen-1-amine
;
4-[(E)-Phenyldiazenyl]-1-naphthalenamine(IUPAC)
;
4-[(E)-Phenyldiazenyl]naphthalen-1-amine
;
C.I. Solvent Yellow 4
;
[131-22-6]
;
α-Naphthyl red
;
|`//`\`||/\\/N\\N/\|\\/`||`\`|`\`//|\/`|/NH2

60. chrysoidine

Molecular formula: C12H13ClN4
47 pH
Names
English:
1,3-Benzenediamine, 4- (phenylazo)-, monohydrochloride
;
1,3-Benzenediamine, 4-(phenylazo)-, monohydrochloride
;
1,3-Benzenediamine, 4-[(E)-2-phenyldiazenyl]-, hydrochloride (1:1)(CAS)
;
2,4-Diaminoazobenzene hydrochloride
;
2431787HMZ
;
4-(Phenylazo)-1,3-benzenediamine monohydrochloride
;
4-(Phenylazo)-1,3-benzenediamine, monohydrochloride
;
4-(Phenylazo)-1,3-phenylenediamine hydrochloride
;
4-Phenylazo-m-phenylenediamine hydrochloride
;
4-[(E)-Phenyldiazenyl]-1,3-benzenediamine hydrochloride (1:1)(IUPAC)
;
4-[(E)-Phenyldiazenyl]benzene-1,3-diamine hydrochloride (1:1)
;
4-phenyldiazenylbenzene-1,3-diamine;hydrochloride(IUPAC)
;
Azohel
;
Basic Orange 2
;
Basic Orange:Chrysoidine Crystals, 1.3-Benzenediamine, 4-(phenylazo), monohydrochloride
;
C.I. 11270
;
C.I. BASIC ORANGE 2
;
C.I. Solvent Orange 3
;
CHRYSOIDINE Y BASE
;
Chrysoidine Base
;
Chrysoidine G
;
Chrysoidine Orange
;
Chrysoidine Y
;
EINECS:208-545-8
;
[532-82-1]
;
chrysoidine
;
`/`\\`|//\||\N//N\/\||<\NH2>`/`\\<`|/`|NH2>_(x-1,y1,N0)Cl-H