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Complexometric indicator

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Dye » Complexometric indicator
Selected category: Complexometric indicator
Total count of records found: 26. Showed records: 20.

1. Naphthylazoxine

Molecular formula: C19H13N3O4S CAS# 50539-65-6
Names
English:
(7E)-7-(1-Naphthylhydrazono)-8-oxo-7,8-dihydro-5-quinolinesulfonic acid(IUPAC)
;
(7Z)-7-(naphthalen-1-ylhydrazinylidene)-8-oxoquinoline-5-sulfonic acid(IUPAC)
;
5-Quinolinesulfonic acid, 7,8-dihydro-7-[2-(1-naphthalenyl)hydrazinylidene]-8-oxo-, (7E)-(CAS)
;
7-(1-Naphthylazo)-8-hydroxyquinoline-5-sulfonic acid
;
8-hydroxy-7-(1-naphthylazo)quinoline-5-sulphonic acid
;
NCI148354
;
NSC 148354
;
Naphthylazoxine
;
`/`=<`/S<_qq4O><_pp4O>_(a0)HO>`\`=`\//-N\\<`/>-</OH>\\-N//N-\=/`\\`-<`//>`\//-\\`/
HO|S<=O><`=O>|\|\N//`|`\\`/|`/|O`|`\<`|//>`//N|NH`/`\\`/||\||\//`|`\\<`/>`|

2. o-Cresolphthalein Complexone

Molecular formula: C32H32N2O12 CAS# 2411-89-4
Names
English:
2,2',2'',2'''-{(3-Oxo-1,3-dihydro-2-benzofuran-1,1-diyl)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylenenitrilo]}tetraacetic acid(IUPAC)
;
2,2'-[(3-Oxo-1,3-dihydro-2-benzofuran-1,1-diyl)bis{(6-hydroxy-5-methyl-3,1-phenylene)methylene[(carboxymethyl)ammonio]}]diacetate
;
2-[[5-[1-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-5-methylphenyl]-3-oxo-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxymethyl)amino]acetic acid(IUPAC)
;
A4P6737I7F
;
EINECS:219-318-8
;
Metal phthalein
;
NSC 298195
;
Phthalein Complexon
;
Phthalein purple
;
UNII-A4P6737I7F
;
Xylenylphthalein-bisiminodiacetic acid
;
[2411-89-4]
;
o-Cresolphthalein Complexone
;
HO|`/O/\|N<`/|\O`\`/HO>\/`||<`\HO>/<`|>\\|<`//`\>\</`|//<`|>\</OH>||<`/`\\>\/N<`|/\O`\`|OH>\|`/O/\OH>\O_p<_(a-54,N2)O>_p_p<_p>_qq6_q6_qq6_q6_qq6

3. Xylenol orange

Molecular formula: C31H32N2O13S CAS# 1611-35-4
5.47.4 pH
Names
English:
2,2',2'',2'''-{(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[(6-hydroxy-5-methyl-3,1-phenylene)methylenenitrilo]}tetraacetic acid(IUPAC)
;
2,2',2'',2'''-{(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis[(6-hydroxy-5-methylbenzene-3,1-diyl)methanediylnitrilo]}tetraacetic acid
;
2-[[5-[3-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-5-methylphenyl]-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-hydroxy-3-methylphenyl]methyl-(carboxymethyl)amino]acetic acid(IUPAC)
;
Cresol Phthalexon S
;
EINECS:216-553-8
;
NSC 324982
;
S2VDY878QD
;
UNII-S2VDY878QD
;
Xylenol orange [Wiki]
;
`//`\`||/\\|_qS<_(a94,N2)O><_(a24,N2)O>_qO_q<_q><`|/`||</CH3>`\<`|OH>`//<|\\>`\`|N</`|`\O\/OH>`\`/|O`|`\HO>-/=</CH3>\<-OH>`//<`-`\\>\-N</-<\\O>/OH>\`/<`=O>\OH

4. Beryllon II

Molecular formula: C20H10N2Na4O15S4 CAS# 51550-25-5
Names
English:
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((8-hydroxy-3,6-disulfo-1-naphthalenyl)azo)-, tetrasodium salt
;
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(8-hydroxy-3,6-disulfo-1-naphthalenyl)azo]-, tetrasodium salt
;
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(E)-2-(8-hydroxy-3,6-disulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:4)(CAS)
;
Beryllon 2
;
Beryllon II
;
Tetrasodium 4,5-dihydroxy-3-((8-hydroxy-3,6-disulphonato-1-naphthyl)azo)naphthalene-2,7-disulphonate
;
Tetrasodium 4,5-dihydroxy-3-[(E)-(8-hydroxy-3,6-disulfonato-1-naphthyl)diazenyl]-2,7-naphthalenedisulfonate(IUPAC)
;
Na^+/0O`^-\S<_qq4O><_pp4O>\|\\<|OH>/`|/\\</S<_qq4O><_pp4O>/O^-\0Na^+>|<`//<|OH>`\`|`\`//>\N//N\|\|`//<|S<_qq4O><_pp4O>|O^-\0Na^+>`\`||<`\HO>/\/`||<`\`//>/S<_qq4O><_pp4O>/O^-\0Na^+
Na^+/0O`^-\S<_qq4O><_pp4O>\/\\</OH>|`/<`\`||>||\<|S<_qq4O><_pp4O>|O^-\0Na^+>//`|`\c\/N<_(y-.5)H>\N//\|O`|/`|/\\</S<_qq4O><_pp4O>/O^-\0Na^+>|`//<|OH>`\`|`\`//<|>_(A-130)S<_qq4O><_pp4O>_(a0)O`^-_(a60,N0)Na^+

5. Bromopyrogallol Red

Molecular formula: C19H10Br2O8S CAS# 16574-43-9
Names
English:
2',7'-Dibromospiro[2,1-benzoxathiole-3,9'-xanthene]-3',4',5',6'-tetrol 1,1-dioxide(IUPAC)
;
2',7'-dibromo-1,1-dioxospiro[2,1$l^{6}-benzoxathiole-3,9'-xanthene]-3',4',5',6'-tetrol(IUPAC)
;
2',7'-dibromo-1,1-dioxospiro[2,1λ6-benzoxathiole-3,9'-xanthene]-3',4',5',6'-tetrol
;
Bromopyrogallol Red
;
EINECS:240-632-6
;
NSC 315537
;
Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]-3',4',5',6'-tetrol, 2',7'-dibromo-, 1,1-dioxide(CAS)
;
spiro(3h-2,1-benzoxathiole-3,9'-(9h)xanthene)-3',4',5',6'-tetrol, 2',7'-dibromo-, 1,1-dioxide
;
S`-_q_p6_pp6_p6_pp6_p6_p6_q<_qO_q<_(a94,N2)O>_(a24,N2)O>\|\<|OH>//<\OH>`|</Br>`\\`/|`/O`\`|`\`//<`\Br>|<`/HO>\\<|OH>/`|/

6. Gallocyanine

Molecular formula: C15H13ClN2O5 CAS# 1562-85-2
Names
English:
1-Carboxy-7-(dimethylamino)-3,4-dihydroxyphenoxazin-5-ium chloride(IUPAC)
;
Alizarine Navy Blue AT
;
Anthracene Blue SWGG
;
Brilliant Chrome Blue P
;
C.I. 51030
;
C.I. Mordant Blue 10
;
C.I. Mordant Blue 10 (8CI)
;
EINECS:216-345-7
;
Fast Violet
;
Gallocyanine
;
Mordant blue 10
;
NSC 47701
;
Phenoxazin-5-ium, 1-carboxy-7- (dimethylamino)-3,4-dihydroxy-, chloride
;
Phenoxazinium, 1-carboxy-7-(dimethylamino)-3,4-dihydroxy-, chloride (1:1)(CAS)
;
Solid Violet
;
UNII-8S1S2GY38K
;
H3C|N<`/H3C>\||\//`|<`\\`/>/O^+<`|0Cl^->\\|<`//N`\>\<|`/O/\OH>//`|</OH>`\\<`|OH>`/
\N<|>/`|//\|\O<|0Cl^->/\\<|OH>/\O`\`|`\\<`|`\O\/OH>`/<|>`\\N^+<_(y-.5)H>`/|`/`\\

7. Dithizone

Molecular formula: C13H12N4S CAS# 60-10-6
Names
English:
(1E)-3-anilino-1-phenylimino-thiourea
;
(E)-N',2-Diphenyldiazenecarbothiohydrazide(IUPAC)
;
1,5-Diphenylthiocarbazone
;
1-anilino-3-phenyliminothiourea(IUPAC)
;
Dithizone [Wiki]
;
Methanethione, [(E)-2-phenyldiazenyl](2-phenylhydrazinyl)-(CAS)
;
NJZ2CJ4D6P
;
NSC 215189
;
Phenyldiazenecarbothioic Acid 2-Phenylhydrazide
;
UNII-NJZ2CJ4D6P
;
diphenylthiocarbazone
;
|`//`\`||/\\/N<_(y-.5)H>\N<_(y.5)H>/`|S|\N//N\|\\/`||`\`//
`-`\\/=\`//\N_qq6N\<`//S>-NH/HN-\\-//`\`=`/

8. Diphenylcarbazone

Molecular formula: C13H12N4O CAS# 538-62-5
Names
English:
(Phenylazo)formic acid 2-phenylhydrazide
;
(Z)-N',2-Diphenyldiazenecarbohydrazide(IUPAC)
;
1-anilino-3-phenyliminourea(IUPAC)
;
5UYJ4R0D5T
;
Diphenylcarbazone
;
EINECS:208-698-0
;
Methanone, [(Z)-2-phenyldiazenyl](2-phenylhydrazinyl)-(CAS)
;
SYM-DIPHENYLCARBAZONE
;
UNII-96YS88318X
;
|`//`\`||/\\/N\\N/`|O|\N<_(y.6)H>/N<_(y-.5)H>\||\//`|`\\`/
//`\`=`/\\-\N=N/<`\\O>-NH\HN-\\-//`\`=`/
`/`\\`|//\||\N<_(y.5)H>/N<_(y-.5)H>\|O`|/N\\N/\\/`||`\`//|

9. Murexide

Molecular formula: C8H8N6O6 CAS# 3051-09-0
Names
English:
2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-((hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino)-, monoammonium salt
;
2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-[(hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-, monoammonium salt
;
2,4,6(1H,3H,5H)-Pyrimidinetrione,5-[(hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-, ammonium salt (1:1)(CAS)
;
33414_FLUKA
;
33414_RIEDEL
;
5,5'-Nitrilodibarbituric acid monoammonium salt
;
AC1L2BPR
;
Ammonium 2,6-dioxo-5-[(2,4,6-trioxo-5-hexahydropyrimidinylidene)amino]-3H-pyrimidin-4-olate(IUPAC)
;
Ammonium purpurate
;
Murexide
;
SureCN233080
;
`/<\\O>`-HN`\<`=O>/HN-<//O>\=N-/<`\\O>-NH\<=O>`/N<\0NH4^+>`=<`/O^->`\
`/|O`|`\HN`|`\O\/N<_(y-.5)H>\</O^-/0H/N`^+<_q4H><_p4H>/H>||\N\\|`/O/\N<_(y.5)H>/\O`\`|NH`\`|O|`/
`/|O`|`\HN`|`\O\/N<_(y-.5)H>\/O`/|-N=|<`//O`/0N`H3>\N<_(y.5)H>/\O`\`|NH`\`|O|`/

10. PAN

Molecular formula: C15H11N3O CAS# 85-85-8
Names
English:
(1Z)-1-(pyridin-2-ylhydrazinylidene)naphthalen-2-one(IUPAC)
;
1-(2-Pyridinyldiazenyl)-2-naphthol(IUPAC)
;
1-(Pyridin-2-yldiazenyl)-2-naphthol
;
1-(pyridin-2-yldiazenyl)naphthalen-2-ol
;
2-Naphthalenol, 1-[2-(2-pyridinyl)diazenyl]-(CAS)
;
EINECS:201-637-9
;
NSC 5332
;
PAN
;
|`//`\`||/N\\/N\\N/\|\\/`||`\`||`\`//<`\HO>|\/
/\\/`||`\`//<|>`\`//|`/O/\||N`/HN|\N||`/`\\`|//

11. 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
;
NSC 148355
;
PAR
;
UNII-N68T40H95T
;
[1141-59-9]
;
resorcinol, 4-(2-pyridylazo)-
;
HO-//-</OH>\\<`/`=`\>-N//N-//N-\\`/`=`\
`\\`|//\||N`/|HN\N||\||`/|O`|`\`||<`\HO>/

12. 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^+

13. Thymolphthalexone

Molecular formula: C38H44N2O12 CAS# 1913-93-5
Names
English:
2,2',2'',2'''-{(3-Oxo-1,3-dihydro-2-benzofuran-1,1-diyl)bis[(6-hydroxy-5-isopropyl-2-methyl-3,1-phenylene)methylenenitrilo]}tetraacetic acid(IUPAC)
;
2-[[5-[1-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-2-methyl-5-propan-2-ylphenyl]-3-oxo-2-benzofuran-1-yl]-2-hydroxy-6-methyl-3-propan-2-ylphenyl]methyl-(carboxymethyl)amino]acetic acid(IUPAC)
;
EINECS:217-627-2
;
Thymolphthalein Complexone
;
Thymolphthalexone
;
[1913-93-5]
;
`//`\`||/\\|_q<_(a54,N2)O>_qO_q@:p(a,o1,o2)<_(A&a)_q6_pp6<_q6<_q6>_p6>_p6<_q6&o1>_pp6<_p6<_q6>_pp6>_q6_q6N<_q6_p6<_pp6O>_q6&o1>_p6_p6<_pp6O>_q6&o2>@(-130,HO,OH)@p(-20,OH,OH)_q

14. Tiron

Molecular formula: C6H4Na2O8S2 CAS# 149-45-1
Names
English:
1,3-Benzenedisulfonic acid, 4,5-dihydroxy-, disodium salt
;
1,3-Benzenedisulfonic acid, 4,5-dihydroxy-, sodium salt (1:2)(CAS)
;
4,5-Dihydroxy-1,3-benzenedisulphonic acid, disodium salt
;
4X87R5T106
;
Chymodiactin
;
Discase
;
Disodium 4,5-dihydroxy-1,3-benzenedisulfonate(IUPAC)
;
Disodium 4,5-dihydroxybenzene-1,3-disulfonate
;
Disodium 4,5-dihydroxybenzene-1,3-disulphonate
;
Disodium-1,2-dihydroxybenzene-3,5-disulfonate
;
EINECS:205-741-5
;
NSC 12861
;
Sodium Pyrocatechol-2,4-disulfonate
;
Sodium catechol sulfate
;
Tiferron
;
Tiron
;
UNII-4X87R5T106
;
sodium catechol disulfonate
;
HO`|/`|`\\<`|S<_qq4O><_pp4O>`|O`^-/0Na^+>`/||<`/HO>\/\S<_qq4O><_pp4O>\O^-/0Na^+

15. Calcein

Molecular formula: C30H26N2O13 CAS# 1461-15-0
Names
English:
2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid(IUPAC)
;
Calcein [Wiki]
;
Fluorescein complexon
;
Oftasceina
;
Oftasceine
;
Oftasceinum
;
fluorexon
;
`/`=`\//-\\_q<_(a54,N2)O>_qO_q<_q>/`|/\\</OH>|<\/N<`|/COOH>\/COOH>`//`\`|`\O`/`\\`/<`\HO>||<\//<`|>\>`/`\N<`|`\HOOC>`/`\HOOC
-_q<=\`//`-`\\#2>_q<_qO_q_(a54,N2)O>/`|/\\</OH>|<\/N<`|/\O`\`|OH>\|`/O/\OH>`//`\`|`\O`/|`/`\\<`/`\N<`|`\`/O/`|HO>`/|\O`\`/HO>`|<`\HO>//\|\

16. Chrome Azurol S

Molecular formula: C23H13Cl2Na3O9S CAS# 1667-99-8
Names
English:
5-((3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-3-sulfophenyl)methyl)-2-hydroxy-3-methylbenzoic acid trisodium salt
;
Alberon
;
Antracromo Azurol BS
;
Benzoic acid, 5-((3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-3-sulfophenyl)methyl)-2-hydroxy-3-methyl-, trisodium salt
;
Benzoic acid, 5-[(Z)-(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-3-sulfophenyl)methyl]-2-hydroxy-3-methyl-, sodium salt (1:3)(CAS)
;
C.I. 43825
;
C.I. Mordant Blue 29
;
Chrome Azurol
;
Chrome Azurol S
;
Chromeazurol S
;
Chromine Sky Blue S
;
Chromoxane Pure Blue BLD
;
EINECS:216-787-0
;
Mordant Blue 29
;
NSC 56431
;
NSC 623549
;
Trisodium 5-((3-carboxylato-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-3-sulphonatophenyl)methyl)-2-hydroxy-3-methylbenzoate
;
Trisodium 5-[(Z)-(3-carboxylato-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)(2,6-dichloro-3-sulfonatophenyl)methyl]-2-hydroxy-3-methylbenzoate(IUPAC)
;
Trisodium 5-[(Z)-(3-carboxylato-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)(2,6-dichloro-3-sulfonatophenyl)methyl]-2-hydroxy-3-methylbenzoate
;
[1667-99-8]
;
trisodium;5-[(E)-(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichloro-3-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate(IUPAC)
;
Na^+`|0O`^-/S<_qq4O><_pp4O>/\//`|</Cl>`\\<`/|`|`\Cl>`|`\`/`\\<`/|O`|`\O`^-`/0Na`^+>`|`\O\/<`|CH3>\\|\/`|//<`|CH3>\</OH>||<`/`\\>\|O`|/O^-\0Na^+
Na^+\0O`^-# -S<`||O><||O>-\\-//<-Cl>`\<`=<`/>`\Cl>/`\`-`\\<`-<`//O>`\O`^-`-0Na^+>/<`\\O>-</>\\`/\-\\-<\>//<-OH>`\<`=`/>/<`\\O>-O^-# -0Na^+

17. Sodium 3,4-dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenesulfonate

Molecular formula: C14H7NaO7S CAS# 130-22-3
3.75.2 1012 pH
Names
English:
2-Anthracenesulfonic acid, 9,10-dihydro-3,4-dihydroxy-9,10-dioxo-, sodium salt (1:1)(CAS)
;
Acid Red Alizarine
;
Alizarin red S
;
Alizarine Carmine (Biological stain)
;
Alizarine Red S sodium salt
;
Alizarine S
;
C.I. 58005
;
EINECS:204-981-8
;
Mordant Red 3
;
NSC 56653
;
Sodium 3,4-dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenesulfonate(IUPAC)
;
Sodium Alizarinesulfonate
;
Sodium alizarin-3-sulfonate
;
alizarine carmine
;
sodium 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate
;
sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate(IUPAC)
;
OH|\|<\SO3Na>`//`\`|`\`|O|`/|`/`\\`|//\|\|O`|/`|/\/OH
Na^+$L(1.3)\0O`^-$L()/S<_qq4O><_pp4O>/\//\|O`|/`|/\\|`//`\`|`\`|O|`/<|>`\\<`|OH>`/<`\HO>||

18. Arsenazo I

Molecular formula: C16H13AsN2O11S2 CAS# 520-10-5
Names
English:
(3E)-3-[(2-arsonophenyl)hydrazinylidene]-5-hydroxy-4-oxonaphthalene-2,7-disulfonic acid(IUPAC)
;
2,7-Naphthalenedisulfonic acid, 3-((2-arsonophenyl)azo)-4,5-dihydroxy-
;
2,7-Naphthalenedisulfonic acid, 3-[(E)-2-(2-arsonophenyl)diazenyl]-4,5-dihydroxy-(CAS)
;
2,7-Naphthalenedisulfonicacid, 3-[2-(2-arsonophenyl)diazenyl]-4,5-dihydroxy-(CAS)
;
3-[(E)-(2-Arsonophenyl)diazenyl]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid(IUPAC)
;
AC1OC53M
;
AI3-52540
;
AKOS015916690
;
Arsenazo
;
Arsenazo 1
;
Arsenazo I
;
EINECS 208-285-5
;
EINECS 222-600-3
;
I14-51861
;
Neothorin
;
Neothoron
;
Uranon
;
AsO(OH)2|\|`//`\`||/\_(x1)N=N_(x1)/\|\//<\SO3H`>`|`\\<`|OH>`/|`/`\\<`/HO3`S>`|/`|OH
|<\SO3H>`//`\`|`\<`|OH>`//|<`/HO3`S>\\/`|/<`|OH>\\_(x1.5)N=N_(x1.5)|\//`|`\\`/|c|As<`\\O><|HO>\OH
OH`-S`|O|c|O`|``/|`/<|OH>`\\`|`\`//<`\S`|O|c|O`|`-HO>|\\<|OH>/`|0//\|\N_(x1,N2)N\/\||`/`\\`|/`|As`|O|<`-HO>-OH
`\<`|AsO3H2>`/|\/`|_o-N=N-|<`/HO3`S>\/`|`\<`|OH>`/_o/0\0/<`|OH>\|<\SO3H>`/`\`|0_o

19. Glycinethymol Blue

Molecular formula: C33H40N2O9S CAS# 3810-63-7
Names
English:
EINECS:223-285-5
;
Glycinethymol Blue
;
\\|`//`\`||/_qS<_(a94,N2)O><_(a24,N2)O>_qO_q<_q><`/\\`/<\<->`/>`=<`/HO>`\<//<_(a-70)>->`-`/N<\>`-<`//O>`\HO>`\`//`\<`/<|>`\>`||<`\HO>/<\\</>|>`|`\N<`/>`|/O`/`\HO

20. Eriochrome Blue SE

Molecular formula: C16H9ClN2Na2O9S2 CAS# 1058-92-0
Names
English:
2,7-Naphthalenedisulfonic acid, 3-((5-chloro-2-hydroxyphenyl)azo)-4,5-dihydroxy-, disodium salt
;
2,7-Naphthalenedisulfonic acid, 3-[(E)-2-(5-chloro-2-hydroxyphenyl)diazenyl]-4,5-dihydroxy-, sodium salt (1:2)(CAS)
;
3-((5-Chloro-2-hydroxyphenyl)azo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
;
C.I. 16680
;
Disodium 3-[(E)-(5-chloro-2-hydroxyphenyl)diazenyl]-4,5-dihydroxy-2,7-naphthalenedisulfonate(IUPAC)
;
Disodium 3-[(E)-(5-chloro-2-hydroxyphenyl)diazenyl]-4,5-dihydroxynaphthalene-2,7-disulfonate
;
EINECS:213-894-4
;
Eriochrome Blue SE
;
Michrome No. 452
;
Mordant Blue 13
;
disodium;(3Z)-3-[(5-chloro-2-hydroxyphenyl)hydrazinylidene]-5-hydroxy-4-oxonaphthalene-2,7-disulfonate(IUPAC)
;
`/<|OH>`\\`|//<`|Cl>\||\N//N\/\//<`|OH>\||<\S<_qq4O><_pp4O>\O^-\hNa^+>`/`\\<`|>`/`\\<`|/`|OH>`/S<_qq4O><_pp4O>`/O`^-`/hNa`^+
|<\OH>`//`\`||<`\Cl>/\\/N`||xN/\/\/`||</S<_pp6O>/O`/`|O^-`|hNa^+>`\`//<|\|OH>`\`//<|\|OH>`\S<_qq6O>`\O\`|O^-`|hNa^+