System to describe the chemical formulas for WEB.

Dye

Find chemicals by name or formulas.
This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula).

Type the part of name or the formula of substance for search:
Languages: | | | Apply to found
Collapsed list Selected category: Dye with all child subcategories
Total count of records found: 208. Showed records: 20.

41. Chrysoine resorcinol

Molecular formula: C12H9N2NaO5S CAS# 547-57-9
1112.7 pH
Names
English:
4-[(2,4-Dihydroxyphenyl)azo]benzenesulfonic Acid Monosodium Salt
;
Acid Orange 6
;
Benzenesulfonic acid, 4-[(E)-2-(2,4-dihydroxyphenyl)diazenyl]-, sodium salt (1:1)(CAS)
;
Benzenesulfonic acid, p-[(2,4-dihydroxyphenyl)azo]-, sodium salt
;
C.I. 14270
;
C.I. Acid Orange 6
;
C.I. Acid Orange 6 monosodium salt
;
C.I. Food Yellow 8
;
Chrysoine
;
Chrysoine resorcinol [Wiki]
;
Chrysoine resorcinol [Wiki]
;
EINECS:208-924-8
;
Gold Yellow
;
Orange VI
;
Resorcin yellow
;
Resorcinol Yellow
;
Sodium 4-[(E)-(2,4-dihydroxyphenyl)diazenyl]benzenesulfonate(IUPAC)
;
Sodium p-(2,4-Dihydroxyphenylazo)benzenesulfonate
;
Tropaeolin O
;
Tropaeolin R
;
Tropaeoline
;
Yellow T
;
sodium 4-[2-(2,4-dihydroxyphenyl)diazenyl]benzenesulfonate
;
|<\OH>`//`\<`/HO>`||/\\/N\\N/\\/`||<`\`//|>/S<_qq4O><_pp4O>/O^-\0Na^+
HO-/=</OH>\<`//`-`\\>-N=N-\\-//<`\`=`/>-SO3Na
$L(1.4)Na^+`/hO`^-$L()|S<=O><`=O>|\||`/<`\\`|//>|NH`/N||`/||\|O`|/`||</OH>`\

42. Congo red

Molecular formula: C32H22N6Na2O6S2 CAS# 573-58-0
35.2 pH
Names
English:
1-Naphthalenesulfonic acid, 3,3'-[[1,1'-biphenyl]-4,4'-diyldi(E)-2,1-diazenediyl]bis[4-amino-, sodium salt (1:2)(CAS)
;
1-naphthalenesulfonic acid, 3,3'-([1,1'-biphenyl]-4,4'-diyldiazo)bis[4-amino-, disodium salt
;
3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[4-amino-1-naphthalenesulfonic Acid] Disodium Salt
;
CI Direct Red 28
;
Congo Red (C.I. 22120)
;
Congo red [Wiki]
;
Disodium 3,3'-[4,4'-biphenyldiyldi(E)-2,1-diazenediyl]bis(4-amino-1-naphthalenesulfonate)(IUPAC)
;
Disodium 3,3'-[biphenyl-4,4'-diyldi(E)diazene-2,1-diyl]bis(4-aminonaphthalene-1-sulfonate)
;
EINECS:209-358-4
;
Haemomedical
;
Sodium Diphenyldiazo-bis-a-naphthylaminesulfonate
;
disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate(IUPAC)
;
NH2`/\`/`=<`/S<_pp6O><_(a0,N2)O>\O^-_(x1.5,N0)Na^+>`\/`\`=`/\\-/-\-N\\N-//-\\<`/`=`\>-\\-//<`\`=`/>-N\\N-\-/-\\`/`=`\/`\</S<_(a0,N2)O><_qq6O>_p6O^-_(x1.5,N0)Na^+>`=`/\`/H2N

43. o-Cresolphthalein

Molecular formula: C22H18O4 CAS# 596-27-0
Categories: pH indicator , Phenols
8.29.8 pH
Names
English:
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)-(CAS)
;
3,3'-DIMETHYLPHENOLPHTHALEIN
;
3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone
;
3,3-Bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1(3H)-one(IUPAC)
;
3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one(IUPAC)
;
Cresolphthalein
;
EINECS:209-881-8
;
[596-27-0]
;
o-Cresolphthalein [Wiki]
;
`//`\`||/\\|_q<_(a54,N2)O>_qO_q<_q><-\\-<\CH3>//<-OH>`\`=`/>`|/`||`\<`|HO>`//<`\H3C>|\\
`-_p<_qq6_q6_qq6_q6_qq6>_p<_pO_p_(a-54,N2)O></\//`|</OH>`\\<`|>`/||>`\`//`\`||<`\HO>/<`|>\\|

44. Crystal violet

Molecular formula: C25H30ClN3 CAS# 548-62-9
-12 pH
Names
English:
4-{Bis[4-(dimethylamino)phenyl]methylene}-N,N-dimethyl-2,5-cyclohexadien-1-iminium chloride(IUPAC)
;
Aizen Crystal Violet Base
;
Aniline violet
;
Basic violet 3
;
Basonyl Violet 610
;
Baszol Violet 57L
;
Brilliant Violet 58
;
C.I. Basic violet 3
;
Caswell No. 264A
;
Crystal Violet Extra Pure APNX
;
Crystal Violet HL 2
;
Crystal violet [Wiki]
;
Gentian Violet B
;
Hexamethyl-p-rosaniline chloride
;
Hexamethyl-p-rosaniline chloride (Gentian violet)
;
Methanaminium, N-(4-(bis(4-(dimethylamino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-methyl-, chloride
;
Methanaminium, N-[4-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride (1:1)(CAS)
;
Methyl Violet 10BNS
;
Methylrosanilide chloride
;
N,N,N',N',N'',N''-Hexamethylpararosaniline Chloride
;
N-(4-{Bis[4-(dimethylamino)phenyl]methylene}-2,5-cyclohexadien-1-ylidene)-N-methylmethanaminium chloride
;
N-(4-{Bis[4-(dimethylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride
;
N-(4-{bis[4-(dimethylamino)phenyl]methylidene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride
;
N-[4-[Bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methylmethanaminium Chloride
;
NCI C55969
;
Oxyozyl Paper Blue R
;
Pentamethylpararosaniline chloride
;
Pyoktanin
;
Sanyo Fanal Violet R
;
Tetramethylpararosaniline chloride
;
[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride(IUPAC)
;
gentian violet
;
hexamethyl pararosaniline chloride
;
methyl violet 10B
;
methylrosanilinium chloride
;
violet 5bo base
;
\N</>|\\|`//`<`\`||/>|\|\\/\N^+<|></><_(y-2,N0)Cl^->`\`|`\\`/`\`/|`//`\<`||/\\>`/N<|>`\
H3C|N<`/H3C>\/\\|<`//`\`||>\|`/||\|N^+<`/H3C><\CH3><_(x2,y-.5,N0)Cl^->`|/`||`\`|/\//`|</N<`|CH3>\CH3>`\\`/||
$slope(60)`/`-`\<`-N<`\H3C>`/H3C>/-\_o-\`/\\-\N^+<_q6CH3><`/H3C><\0Cl^->`\/`\\`-`\/-/`\</N<`\H3C>_p6CH3>`-`/\_o

45. Indigo carmine

Molecular formula: C16H8N2Na2O8S2 CAS# 860-22-0
11.413 pH
Names
English:
1H-Indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, sodium salt, (2E)- (1:2)(CAS)
;
1H-indole-5-sulfonic acid, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-, disodium salt, (2E)-
;
4 G
;
5,5′-indigodisulfonic acid sodium salt
;
Brilliant Indigo
;
C Blue 2
;
C.I. 73015
;
C.I. Acid Blue 74
;
Disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5-indolinesulfonate(IUPAC)
;
Disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)indoline-5-sulfonate
;
Disodium 5,5'-indigotin disulfonate
;
E 132
;
E132
;
EINECS:212-728-8
;
FD & C blue no. 2
;
Food Blue 1
;
Food Blue 2
;
Food Blue No. 2
;
Indigo carmine [Wiki]
;
Indigo-5,5'-disulfonic acid disodium salt
;
Indigo-5,5′-disulfonic acid disodium salt
;
Indigotindisulfonate Sodium
;
Sicovit Indigotin 85
;
disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-2,3-dihydro-1H-indole-5-sulfonate
;
indigotine
;
Na^+_(x1,y1,N0)O`^-/S<_(A110,N2)O>`|O|\||\//`|<`\\`/>_p<_(a-54,N2)O:a>_p<_pN<_(a-54)H:b>_p>=_(a54)<_(a54,N2)O-h#b>_q_qq<_qN<_q>_(a54)H-h#a>/\\|<`//`\>\S<_(A-70,N2)O>|O`|/O^-_(x1,y1,N0)Na^+
Na^+_(x1.5,N0)O`^-\S<_qq4O><_pp4O>\||\//`|<`\\`/>_p<_(a-54,N2)O>_p<_pN<_(y.5)H>_p>=_(a54)<_(a54,N2)O>_q_q<_qN<_(y-.5)H>_q>//\||<`/`\\>\S<_qq4O><_pp4O>\O^-_(x1.2,N0)Na^+

46. 7-Hydroxy-1H-phenoxazin-1-one

Molecular formula: C12H7NO3 CAS# 1393-92-6
4.58.3 pH
Names
English:
1H-Phenoxazin-1-one, 7-hydroxy-(CAS)
;
7-Hydroxy-1H-phenoxazin-1-one(IUPAC)
;
7-hydroxyphenoxazone
;
Litmus [Wiki]
;
/`|O|\||`/`\\`|`\\N`/|`/`\\<`/HO>`|//\|\O/

47. Malachite green

Molecular formula: C23H25ClN2 CAS# 569-64-2
0.21.8 11.513.2 pH
Names
English:
4-[(4-dimethylaminophenyl)phenyl-methyl]-N,N-dimethylaniline(IUPAC)
;
4-{[4-(Dimethylamino)phenyl](phenyl)methylene}-N,N-dimethyl-2,5-cyclohexadien-1-iminium chloride(IUPAC)
;
Aniline green
;
Basic green 4
;
Benzal Green
;
Burma Green B
;
China Green
;
Diamond green B
;
Grenoble Green
;
Malachite green [Wiki]
;
Malachite green chloride
;
Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride(CAS)
;
Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride (1:1)(CAS)
;
Victoria Green
;
Victoria green B
;
H3C\N<|CH3>/`|/\|`//`\`|/0\/`|//`|`\\`/||\|0\\|\\/<`|`\\`/>\\N^+<|CH3>/CH3_(x1.5,N0)Cl^-
Cl^-_(A45,N0)N^+<`/><`|>\\|\\/<`|`\\`/>\\<|\||`/`\\`|//>/`|/\|`//`\`|/0\/N<`|>\

48. Metanil Yellow

Molecular formula: C18H14N3NaO3S CAS# 587-98-4
1.22.3 pH
Names
English:
3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt
;
3-[[4-(Phenylamino)phenyl]azo]benzenesulfonic Acid Monosodium Salt
;
Acid Metanil Yellow
;
Acid Yellow 36
;
Benzenesulfonic acid, 3-[(E)-2-[4-(phenylamino)phenyl]diazenyl]-, sodium salt (1:1)(CAS)
;
Benzenesulfonic acid, 3-[[4- (phenylamino)phenyl]azo]-, monosodium salt
;
Benzenesulfonic acid, m-[(p-anilinophenyl)azo]-, sodium salt
;
C.I. 13065
;
EINECS:209-608-2
;
Ext. D & C Yellow No.1
;
Metanil Yellow [Wiki]
;
Monoazo
;
Sodium 3-[(E)-(4-anilinophenyl)diazenyl]benzenesulfonate(IUPAC)
;
Sodium Salt of Metanilylazodiphenylamine
;
Tropaeolin G
;
m-[(p-Anilinophenyl)azo]benzenesulfonic Acid Sodium Salt
;
sodium 3-{(E)-[4-(phenylamino)phenyl]diazenyl}benzenesulfonate
;
sodium;3-[(4-anilinophenyl)diazenyl]benzenesulfonate(IUPAC)
;
`//`\`||/\\|\N<_(y.5)H>/`||/\\|<`//`\>\N//N\||\//<`|`\\`/>\S<_(A120,N2)O><_(A60,N2)O>/O^-`|0Na^+

49. Methyl orange

Molecular formula: C14H14N3NaO3S CAS# 547-58-0
3.14.4 pH
Names
English:
4-(4-Dimethylaminophenylazo)benzenesulfonate de sodium
;
4-DIMETHYLAMINOAZOBENZENE, 4'-SULFONIC ACID SODIUM SALT
;
4-Dimethylaminoazobenzene-4'-sulfonic acid sodium salt
;
4-[[4-(Dimethylamino)phenyl]azo]benzenesulfonic acid sodium salt
;
Acid Orange 52
;
Albion Methyl Orange
;
Benzenesulfonic acid, 4-[2-[4-(dimethylamino)phenyl]diazenyl]-, sodium salt (1:1)
;
Benzenesulfonic acid, 4-[[4-(dimethylamino)phenyl]azo]-, sodium salt(CAS)
;
Benzenesulfonic acid, p-[[p-(dimethylamino)phenyl]azo]-, sodium salt
;
C.I. 13025
;
C.I. Acid Orange 52
;
Diazoben
;
EINECS:208-925-3
;
Eniamethyl Orange
;
Gold Orange
;
Helianthine
;
Helianthine B
;
KCA Methyl Orange
;
Methyl Orange B
;
Methyl orange [Wiki]
;
Natrium-4-(4-dimethylaminophenylazo)benzolsulfonat
;
Orange 3
;
Orange III
;
P-(P-DIMETHYLAMINOPHENYLAZO)-BENZENE-SULFONATE OF SODIUM
;
Sodium 4'-(dimethylamino)azobenzene-4-sulfonate
;
Sodium 4-(dimethylamino)azobenzene-4'-sulfonate
;
Sodium 4-[(4-dimethylamino)phenylazo]benzenesulfonate
;
Sodium 4-[(4dimethylamino)phenyldiazenyl]benzenesulfonate(IUPAC)
;
Sodium 4-[4-(dimethylamino)phenylazo]benzenesulfonate
;
Sodium p-[[p-(dimethylamino)phenyl]azo]benzenesulfonate
;
Sodium p-dimethylaminoazobenzenesulfonate
;
Tropaeolin D
;
metilnaranja
;
sodium 4-(4-dimethylaminophenylazo)benzenesulphonate
;
$slope(60)\N<`/>-/-\`/`=`\/-0\-N//N-\-/`\`=`/\-0/-S<_(A-75,N2)O><_(A-15,N2)O>\O^-_(x1,N0)Na^+
SO3Na|\|`/`\`||/\|0`/|N\\N|\|`/`\`||/\|0`/|N<`/H3C>\CH3
H3C\N<|CH3>/\/`|`\`//|\/0`|/N\\N/\/`|`\`//|\/0`|/S`|O|<||O>-ONa

50. Methyl red

Molecular formula: C15H15N3O2 CAS# 493-52-7
4.46.2 pH
Names
English:
2-[[4-(Dimethylamino)phenyl]azo]benzoic Acid
;
2-{(E)-[4-(Dimethylamino)phenyl]diazenyl}benzoic acid(IUPAC)
;
Benzoic acid, 2-[(E)-2-[4-(dimethylamino)phenyl]diazenyl]-(CAS)
;
C.I. 13020
;
C.I. Acid Red 2
;
EINECS:207-776-1
;
Methyl red [Wiki]
;
H3C\N<|CH3>/\//`|<`\\`/||>/N\\N/\/`||`\`//|\|COOH
/N<`|>\||\//<`|`\\`/>\N//N\||\//`|`\\<`/>`|`\O\/OH

51. Methyl violet 6B

Molecular formula: C24H28ClN3 CAS# 603-47-4
0.130.5 11.5 23 pH
Names
English:
4,4'-{[4-(Methylimino)-2,5-cyclohexadien-1-ylidene]methylene}bis(N,N-dimethylaniline) hydrochloride (1:1)(IUPAC)
;
4,4'-{[4-(Methylimino)cyclohexa-2,5-dien-1-ylidene]methylene}bis(N,N-dimethylaniline) hydrochloride (1:1)
;
4-[[4-(dimethylamino)phenyl]-(4-methyliminocyclohexa-2,5-dien-1-ylidene)methyl]-N,N-dimethylaniline;hydrochloride(IUPAC)
;
Aniline, p-((p-(dimethylamino)phenyl)(4-(methylimino)-2,5-cyclohexadien-1-ylidene)methyl)-N,N-dimethyl-, monohydrochloride
;
Benzenamine, 4,4'-[[4-(methylimino)-2,5-cyclohexadien-1-ylidene]methylene]bis[N,N-dimethyl-, hydrochloride (1:1)(CAS)
;
EINECS:210-042-3
;
Methyl violet [Wiki]
;
Methyl violet 6B
;
\N</>|\\|`//<`\`||/>|\/\\|\NH^+<|><_(y-2,N0)Cl^->`\`/`\\`|`\`/|`//`\<`||/\\>`/N<`\>|
CH3|N<\CH3>`/`\\`/||<\//`|>`/`\`|`\\`/`\N<`|CH3_(x3,y-1,N0)Cl-H>\|\\/\|\\|`//<`\`||/>|N<\CH3>`/H3C

52. Methyl Violet 2B

Molecular formula: C23H26ClN3
Names
English:
4,4'-[(4-Imino-2,5-cyclohexadien-1-ylidene)methylene]bis(N,N-dimethylaniline) hydrochloride (1:1)(IUPAC)
;
Benzenamine, 4,4'-[(4-imino-2,5-cyclohexadien-1-ylidene)methylene]bis[N,N-dimethyl-, hydrochloride (1:1)(CAS)
;
C.I. 42535
;
EINECS:282-455-7
;
Methyl Violet 2B
;
\N</>|\\|`//<`\`||/>|\/\\|\NH2^+<_(y-2,N0)Cl^->`\`/`\\`|`\`/|`//`\<`||/\\>`/N<|>`\
H3C\N<|H3C>/\\/`||<`\`//|>/<\|\\/<`||`\`//>\N<|CH3>/CH3>`||/`||`\<`/||\>`||NH-0HCl

53. Methyl yellow

Molecular formula: C14H15N3 CAS# 60-11-7
2.94 pH
Names
English:
4-Dimethylaminoazobenzene
;
Aniline, N,N-dimethyl-p-(phenylazo)-
;
Aniline, N,N-dimethyl-p-phenylazo-
;
Azobenzene, p-(dimethylamino)-
;
Azobenzene, p-dimethylamino-
;
Benzenamine, N,N-dimethyl-4- (phenylazo)-
;
Benzenamine, N,N-dimethyl-4-(phenylazo)-
;
Benzenamine, N,N-dimethyl-4-[(E)-2-phenyldiazenyl]-(CAS)
;
Butter Yellow
;
C.I. 11020
;
C.I. SOLVENT YELLOW 2
;
Dimethyl Yellow
;
EINECS:200-455-7
;
Fat Yellow
;
Methyl yellow [Wiki]
;
N,N-Dimethyl-4-(phenylazo)benzenamine
;
N,N-Dimethyl-4-[(E)-phenyldiazenyl]aniline(IUPAC)
;
N,N-Dimethyl-4-phenylazoaniline
;
N,N-Dimethyl-p-(phenylazo)aniline
;
N,N-Dimethyl-p-phenylazoaniline
;
N,N-dimethyl-4-(phenylazo)aniline
;
N,N-dimethyl-4-phenyldiazenylaniline(IUPAC)
;
Solvent Yellow 2
;
Sudan Yellow
;
benzenamine, N,N-dimethyl-4-[(E)-phenylazo]-
;
p-(Dimethylamino)azobenzene
;
p-Dimethylaminoazobenzen
;
p-Dimethylaminoazobenzene
;
|`//`\`||/\\/N\\N/\\/`||<`\`//|>/N<`|>\
\N<`/>-\\-//<`\`=`/>-N//N-\\-//`\`=`/

54. (4E)-4-{[4-(Dimethylamino)phenyl]imino}-1(4H)-naphthalenone

Molecular formula: C18H16N2O CAS# 132-31-0
Categories: Amine , Aromatic hydrocarbon , Dye
Names
English:
(4E)-4-{[4-(Dimethylamino)phenyl]imino}-1(4H)-naphthalenone(IUPAC)
;
(4E)-4-{[4-(Dimethylamino)phenyl]imino}naphthalen-1(4H)-one
;
1(4H)-Naphthalenone, 4-((4-(dimethylamino)phenyl)imino)-
;
1(4H)-Naphthalenone, 4-[[4-(dimethylamino)phenyl]imino]-
;
1(4H)-Naphthalenone, 4-[[4-(dimethylamino)phenyl]imino]-, (4E)-(CAS)
;
4-((4-(Dimethylamino)phenyl)imino)naphthalen-1(4H)-one
;
4-[4-(dimethylamino)phenyl]iminonaphthalen-1-one(IUPAC)
;
C.I. 49700
;
EINECS:205-056-1
;
Indophenol Blue
;
N-(p-Dimethylaminophenyl)-1,4-naphthoquinoneimine
;
Naphthol blue
;
p-(Dimethylamino)phenyl-1,4-naphthoquinoneimine
;
||`/`\\<`/N<`\H3C>|CH3>`|//\/N`||`\`||/`|O|\|<`/>\\/`||`\`//
/`||`\`|O|`/|`/`\\`|//\|\||N\||\//<`|`\\`/>\N<|>/
\N<|>/\//`|<`\\`/||>/N\\|\</\O`\`|`\\`/>||`/`\\`|//

55. Sudan I

Molecular formula: C16H12N2O CAS# 842-07-9
Categories: Azo compound , Dye , Phenols
Names
English:
1-(2-phenyldiaz-1-enyl)-2-naphthol
;
1-(Phenylazo)-2-naphthol
;
1-(Phenyldiazenyl)-2-naphthol(IUPAC)
;
1-Phenylazo-2-naphthalenol
;
1-Phenylazo-β-naphthol
;
1-[(E)-Phenyldiazenyl]-2-naphthol(IUPAC)
;
1-[(E)-phenyldiazenyl]naphthalen-2-ol
;
2-Naphthalenol, 1- (phenylazo)-
;
2-Naphthalenol, 1-[(E)-2-phenyldiazenyl]-(CAS)
;
2-naphthalenol, 1-[(E)-phenylazo]-
;
C.I. 12055
;
C.I. Solvent Yellow 14
;
CI Solvent Yellow 14
;
EINECS:212-668-2
;
Fast Orange
;
Fat Orange I
;
Solvent Orange R
;
Sudan I [Wiki]
;
OH`\/`\//`\`=`/\\<->`/\\-/-N\\N-\\-//`\`=`/
`/`\\`|//\||\N//N\|\//`|`\`|//\||`/`\`/|`/HO
|`//`\`||/\\/N\\N/`|/\\|`/|\\/`||`\`/`\`|`\HO

56. Sudan II

Molecular formula: C18H16N2O CAS# 3118-97-6
Categories: Azo compound , Dye , Phenols
Names
English:
1-((2,4-Dimethylphenyl)azo)-2-naphthalenol
;
1-(2,4-Dimethylphenylazo)-2-naphthol
;
1-Xylylazo-2-naphthol
;
1-[(2,4-Dimethylphenyl)azo]-2-naphthalenol
;
1-[(E)-(2,4-Dimethylphenyl)diazenyl]-2-naphthol(IUPAC)
;
2-Naphthalenol, 1-((2,4-dimethylphenyl)azo)-
;
2-Naphthalenol, 1-[(2,4-dimethylphenyl)azo]-
;
2-Naphthalenol, 1-[(E)-2-(2,4-dimethylphenyl)diazenyl]-(CAS)
;
2-Naphthol, 1-(2,4-xylylazo)-
;
AF Red No. 5
;
C.I. 12140
;
C.I. Solvent Orange 7
;
Color Index No: 12140
;
EINECS:201-634-2
;
EINECS:221-490-4
;
Ext. D & C Red No.14
;
FD & C Red No.32
;
Fettorange B
;
Oil Red RO
;
Oil Red XO
;
Pyronalrot R
;
Solvent Orange 7
;
Sudan II [Wiki]
;
Sudan Orange
;
OH`\/`\//`\`=`/\\<->`/\\-/-N\\N-\-//<->`\`=`/\`/
`/|`/`\\`|<`\>//\|\N//N\/\||`/`\\<`/HO>`|/`|//\||`/
\/\||`/<|>`\\`|/`|HN/N`||`\`/O/`|//\|<`/>\\/`||`\`//

57. Sudan III

Molecular formula: C22H16N4O CAS# 85-86-9
Categories: Azo compound , Dye , Phenols
Names
English:
1-[(E)-{4-[(E)-Phenyldiazenyl]phenyl}diazenyl]-2-naphthol(IUPAC)
;
1-[[4-(Phenylazo)phenyl]azo]-2-naphthalenol
;
1-[[p-(Phenylazo)phenyl]azo]-2-naphthol
;
2-Naphthalenol, 1-[(E)-2-[4-[(E)-2-phenyldiazenyl]phenyl]diazenyl]-(CAS)
;
2-Naphthalenol, 1-[[4- (phenylazo)phenyl]azo]-
;
2-Naphthol, 1-[[p-(phenylazo)phenyl]azo]-
;
2-naphthalenol, 1-[[4-(phenylazo)phenyl]azo]-
;
C.I. 26100
;
Cerasin Red
;
EINECS:201-638-4
;
Fat Ponceau G
;
Scarlet B
;
Solvent Red 23
;
Sudan G
;
Sudan III [Wiki]
;
Sudan Red
;
Sudan Red B
;
Sudan Red BK
;
Sudan Red III
;
Sudan V
;
Tony Red
;
`|//\||`/|`/<|OH>`\\`|//\|\N//N\||\//<`|`\\`/>\N//N\||\//`|`\\`/
|`//`\`||/\\/N\\N/\//`|<`\\`/||>/N\\N/`|/\\|`/|\\/`||`\`/`\`|`\HO
OH`\/`\//`\`=`/\\<->`/\\-/-N\\N-\\-//<`\`=`/>-N//N-\\-//`\`=`/

58. Sudan IV

Molecular formula: C24H20N4O CAS# 85-83-6
Categories: Azo compound , Dye , Phenols
Names
English:
1-[(E)-{2-Methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl}diazenyl]-2-naphthol(IUPAC)
;
1-[(E)-{2-methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl}diazenyl]naphthalen-2-ol
;
1-[[2-Methyl-4-[(2-methylphenyl)azo]phenyl]azo]-2-naphthalenol
;
2-NAPHTHALENOL, 1-((2-METHYL-4-((2-METHYLPHENYL)AZO)PHENYL)AZO)-
;
2-Naphthalenol, 1-[(E)-2-[2-methyl-4-[(E)-2-(2-methylphenyl)diazenyl]phenyl]diazenyl]-(CAS)
;
2-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-(CAS)
;
2-Naphthol, 1-[[4-(o-tolylazo)-o-tolyl]azo]-
;
C.I. 26105
;
C.I. Solvent Red 24
;
EINECS:201-635-8
;
Fat Red B
;
Lipid Crimson
;
Oil Red
;
Oil Red BB
;
Oil Red IV
;
Scarlet Red
;
Scarlet Red N.F
;
Sudan IV [Wiki]
;
Sudan R
;
o-Tolylazo-o-tolylazo-b-naphthol
;
o-Tolylazo-o-tolylazo-β-naphthol
;
OH`\/`\//`\`=`/\\<->`/\\-/-N\\N-\-//<`\`=`/\`/>-N//N-\-//`\`=`/\`/
CH3|\|`//`\`||/\/N\\N/\\/<\CH3>`||<`\`//|>/N\\N/\|\\/`||`\`/`\`|<`\HO>//\||
/\\/`||`\`//<|>`\`//|`/O/\||N`/HN|`/||\<//`|`\c\/>|N`//N|\\|`//`\`||<`\>/

59. Naphtholphthalein

Molecular formula: C28H18O4 CAS# 596-01-0
Categories: pH indicator , Phenols
7.38.7 pH
Names
English:
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-1-naphthalenyl)-(CAS)
;
3,3-Bis(4-hydroxy-1-naphthyl)-2-benzofuran-1(3H)-one(IUPAC)
;
3,3-Bis(4-hydroxynaphthalenyl)-1(3H)-isobenzofuranone
;
3,3-bis(4-hydroxynaphthalen-1-yl)-2-benzofuran-1-one(IUPAC)
;
Di-p-a-naphtholphthalide
;
EINECS:209-875-5
;
Naphtholphthalein [Wiki]
;
a-Naphtholphthalein
;
alpha-Naphtholphthalein
;
p-a-Naphtholphthalein
;
α-Naphtholphthalein
;
`//`\`||/\\|_q<_(a54,N2)O>_qO_q<_q>@:x(a,o)<_(A&a)_pp6_p6_qq6_q6_qq6_q6<_q6>_pp6<_p6&o>_q6_qq6_q6>@(-120,HO)@x(0,OH)

60. Neutral red

Molecular formula: C15H17ClN4 CAS# 553-24-2
6.88 pH
Names
English:
2,8-Phenazinediamine, N8,N8,3-trimethyl-, monohydrochloride
;
2,8-Phenazinediamine, N8,N8,3-trimethyl-, hydrochloride (1:1)(CAS)
;
3-Amino-7-dimethylamino-2-methylphenazine hydrochloride
;
8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride(IUPAC)
;
C.I. 50040
;
C.I. Basic Red 5, monohydrochloride
;
EINECS:209-035-8
;
N8,N8,3-Trimethyl-2,8-phenazinediamine hydrochloride (1:1)(IUPAC)
;
N8,N8,3-Trimethylphenazine-2,8-diamine hydrochloride (1:1)
;
Neutral Red (Tautomer)
;
Neutral Red Base
;
Neutral red [Wiki]
;
Nuclear Fast Red
;
Toluylene Red
;
HCl_(x1,y-1,N0)H2N\|\//`|<`\\`/|`/H3C>/N\\|<`//N`\>\//`|<`\\`/>/N<`|CH3>\CH3
\N<|>/`||/\\|<`//`\>\N//`|<`\\N`/>/\\</>|<`//`\>\NH2_(x1,y-1,N0)HCl