System to describe the chemical formulas for WEB.

Dye

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This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula).

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Total count of records found: 208. Showed records: 20.

181. 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`/|\\|`//`\`||/

182. 2,6-Dinitrophenol

Molecular formula: C6H4N2O5 CAS# 573-56-8
2.44 pH
Names
English:
2,6-DNP
;
2,6-Dinitrophenol(IUPAC)
;
EINECS:209-357-9
;
F4QM4I92KC
;
Phenol, 2,6-dinitro-(CAS)
;
[573-56-8]
;
beta-Dinitrophenol
;
o-dinitrophenol
;
β-Dinitrophenol
;
O^-|N^+`/O/\/\</N^+\O`\`|O^->||`/`\\`|/`|OH

183. 2,4-Dinitrophenol

Molecular formula: C6H4N2O5 CAS# 51-28-5
2.84.4 pH
Names
English:
2,4-DNP
;
2,4-Dinitrophenol(IUPAC) [Wiki]
;
Aldifen
;
Caswell No. 392
;
DNP
;
EINECS:200-087-7
;
Phenol, 2,4-dinitro-(CAS)
;
Q13SKS21MN
;
Solfo Black
;
Solfo Black B
;
Solfo Black G
;
Tertrosulphur PBR
;
[51-28-5]
;
a-Dinitrophenol
;
alpha-Dinitrophenol
;
dinitrophenol
;
α-Dinitrophenol
;
O`^-/N^+`|O|\|\//`|</N^+`|O|\O^->`\\`/|`/HO
OH|\|`//<|N^+`/O/\O^->`\`||/\/N^+`|O|\O^-

184. Bromochlorophenol Blue

Molecular formula: C19H10Br2Cl2O5S CAS# 2553-71-1
34.8 pH
Names
English:
2-bromo-4-[3-(3-bromo-5-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-6-chlorophenol(IUPAC)
;
2-bromo-4-[3-(3-bromo-5-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]-6-chlorophenol
;
4,4'-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-bromo-6-chlorophenol)(IUPAC)
;
4,4'-(3h-2,1-benzoxathiol-3-ylidene)bis(2-bromo-6-chlorophenol) s,s-dioxide
;
Bromochlorophenol Blue
;
EINECS:219-861-0
;
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-6-chloro-(CAS)
;
[2553-71-1]
;
`//`\<`/Cl>`||<`\HO>/<`|Br>\\|\</`||/<`|Cl>\\</OH>|<\Br>`//`\>\O_pS<_(a-90,N2)O><_(a-30,N2)O>_p_p<_p>_qq6_q6_qq6_q6_qq6

185. 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

186. 2,5-Dinitrophenol

Molecular formula: C6H4N2O5 CAS# 329-71-5
45.4 pH
Names
English:
2,5-Dinitrophenol(IUPAC)
;
2-(Dihydroxyamino)-5-nitrophenol(IUPAC)
;
EINECS:206-348-1
;
HSD25Q268Z
;
Phenol, 2,5-dinitro-(CAS)
;
[329-71-5]
;
gamma-Dinitrophenol
;
O2`N\/\||<\NO2>`/`\\`|/`|OH
O`^-\N^+<`//O>-\-//<-N^+</O^->\\O>`\`=`/\`/HO
O\\N^+<-O^->`/\\`/<\OH>`=<`\//->`/N^+<`-O`^->\\O

187. Lacmoid

Molecular formula: C12H6Br4N2O3 CAS# 87495-30-5
46.4 pH
Names
English:
3H-Phenoxazin-7-olate, 2,4,6,8-tetrabromo-3-oxo-, ammonium salt (1:1)(CAS)
;
3H-phenoxazin-3-one, 2,4,6,8-tetrabromo-7-hydroxy-, ammonium salt
;
Ammonium 2,4,6,8-tetrabromo-3-oxo-3H-phenoxazin-7-olate(IUPAC)
;
C.I. 51400
;
Lacmoid
;
Resorcine blue
;
Resorcinol blue
;
[87495-30-5]
;
azanium;2,4,6,8-tetrabromo-7-oxophenoxazin-3-olate(IUPAC)
;
Br|\`\`/`\O\|<`/Br>\\/`|/O\|<`/N`\\>\\/<\Br>`||<`\`/c/`|Br>/O^-\0NH4^+

188. 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

189. Iron(II) oxide

Molecular formula: FeO CAS# 1345-25-1
Categories: Oxide , Food coloring
Names
English:
C.I. 77489
;
E172
;
EINECS:215-721-8
;
Ferrous oxide
;
Iron monooxide
;
Iron monoxide
;
Iron oxide
;
Iron oxide (FeO)
;
Iron(II) oxide [Wiki]
;
Natural wuestite
;
iron(2+) oxide
;
oxoiron(IUPAC)
;
FeO
Fe=O

190. Tetraiodofluorescein

Molecular formula: C20H8I4O5 CAS# 15905-32-5
4.56.5 pH
Names
English:
1A878FZQ9B
;
2-(6-Hydroxy-2,4,5,7-tetraiodo-3-oxo-xanthen-9-yl)benzoic acid
;
3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one(IUPAC)
;
3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one(IUPAC)
;
BRN 0062817
;
EINECS:240-046-0
;
Erythrosine Phenolic
;
Felumin
;
Fluoresceins
;
Iodoeosine
;
Red 1427
;
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-(CAS)
;
Tetraiodofluorescein
;
[15905-32-5]
;
`\`//`\@:i(b)<&b$itemColor1(#C0C)I>@(`/)`||<`\HO>/@i(`|)\\<|>/O\/\</OH>||@i(\)`/`\\<`|/@i(`|)>`/`/O_q<_(a54,N2)O>_q_q<_q>_pp6_p6_pp6_p6_pp6

191. Erythrosine

Molecular formula: C20H6I4Na2O5 CAS# 16423-68-0
Names
English:
3',6'-Dihydroxy-2',4',5',7'-tetraiodospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one Disodium Salt
;
Acid Red 51
;
C.I. 45430
;
Ceplac
;
Disodium 2',4',5',7'-tetraiodo-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate(IUPAC)
;
E127
;
EINECS:240-474-8
;
Erythrosine [Wiki]
;
Erythrosine Sodium (close form)
;
Japan Red 3
;
Red No. 3
;
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, sodium salt (1:2)(CAS)
;
Synerid
;
[16423-68-0]
;
disodium salt of 2,4,5,7-tetraiodofluorescein
;
disodium;2',4',5',7'-tetraiodo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate(IUPAC)
;
`\`|`\<`|I>`//<`\O`^-`/0Na`^+>|<`/I>\\/`|/O\|\//<\I>`|</O^-\0Na^+>`\\<`|I>`/|`/_(A140)_qq<_p6_pp6_p6_pp6_p6>_q<_(a54,N2)O>_qO_q
\</<_(y-.7,N2)O>\ONa>||`/`\\`|//_(y-1.2)/`/`\`//`\<`/I>`||<`\Na`O>/<`|I>\\<|>/O\|\//<\I>`|/O`/`\`/c/`|I

192. Haematoxylin

Molecular formula: C16H14O6 CAS# 1412-19-7
Categories: Phenols , pH indicator
56 pH
Names
English:
(+)-haematoxylin
;
(+)-hematoxylin
;
(6aS,11bR)-6,6a,7,11b-tetrahydroindeno[2,1-c]chromene-3,4,6a,9,10-pentaol
;
(6aS,11bR)-7,11b-Dihydro-indeno[2,1-c]chromene-3,4,6a,9,10-pentaol
;
(6aS,11bR)-7,11b-Dihydroindeno[2,1-c]chromene-3,4,6a,9,10(6H)-pentol(IUPAC)
;
(6aS,11bR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-pentol(IUPAC)
;
(6aS,11bR)-7,11b-dihydrobenz[b]indeno[1,2-d]pyran-3,4,6a,9,10(6H)-pentol
;
Benz[b]indeno[1,2-d]pyran-3,4,6a,9,10(6H)-pentol, 7,11b-dihydro-, (6aS,11bR)-(CAS)
;
C.I. 75290
;
EINECS:208-237-3
;
Haematoxylin [Wiki]
;
Hematoxylin
;
Hematoxyline
;
Hydroxybrasilin
;
Hydroxybrazilin
;
Natural Black 1
;
OH`|/`/`\<`/HO>`||/\\|\O/`|`\<`/><_(a0,d+)H>_p_p_q6_qq6<_p6OH>_q6<_p6HO>_qq6_q6_q6_p_p_(a-110,d+)OH
HO_(A-75,w-)\/O`|`\`|//\</OH>||<\OH>`/`\`/|_p_p_p<_p_(A-105,w+)H>_qq6_q6<_p6HO>_qq6<_p6HO>_q6_qq6
OH_(A150,w-)`|`\O`/|`/`\\`|<`\HO>//<`|HO>\|\/_p_p_p<_p`/wH>_qq6_q6<_p6HO>_qq6<_p6OH>_q6_qq6

193. Bromophenol Red

Molecular formula: C19H12Br2O5S CAS# 2800-80-8
56.8 pH
Names
English:
2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol(IUPAC)
;
2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]phenol
;
3′,3''-Dibromophenolsulfonphthalein
;
4,4'-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-bromophenol)(IUPAC)
;
Bromophenol Red
;
EINECS:220-538-1
;
Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-(CAS)
;
[2800-80-8]
;
`//`\<`/Br>`||<`\HO>/\\|\</\\/<\Br>`||</OH>`\`//|>\O_pS<_(a-24,N2)O><_(a-84,N2)O>_p_p<_p>_qq6_q6_qq6_q6_qq6

194. 2-Nitrophenol

Molecular formula: C6H5NO3 CAS# 88-75-5
57 pH
Names
English:
2-Hydroxynitrobenzene
;
2-Nitrophenol(IUPAC)
;
EINECS:201-857-5
;
Ortho-nitrophenol
;
Phenol,o-nitro- (8CI)
;
WNR BQ
;
o-Hydroxynitrobenzene
;
o-Nitrophenol
;
OH|\|`//`\`||/\/N^+`|O|\O^-
O`^-# -N^+<\\O>/-/`\\`-`//\-\OH
|`/`\`|/<`|OH>\_o/N^+`|O|\O^-
NO2`/|`/`\\`|//\|\OH

195. 3-nitrophenol

Molecular formula: C6H5NO3 CAS# 554-84-7
6.88.4 pH
Names
English:
1-Hydroxy-3-nitrobenzene
;
3-Hydroxynitrobenzene
;
3-nitrophenol(IUPAC)
;
EINECS:209-073-5
;
Phenol, 3-nitro-
;
Phenol, m-nitro-
;
Phenol,m-nitro- (8CI)
;
m-Hydroxynitrobenzene
;
m-Nitrophenol
;
|`//`\`||<`\HO>/\\/N^+`|O|\O^-
OH|\\|<\NO2>`//`\`||/
O`^-\N`^+<`//O>-//-\\`/<\OH>`=`\
|`/`\`|<`\HO>/\_o/N^+`|O|\O^-

196. Quinoline Blue

Molecular formula: C29H35IN2 CAS# 523-42-2
Categories: pH indicator , Organic salt
78 pH
Names
English:
(4E)-1-(3-methylbutyl)-4-[[1-(3-methylbutyl)quinolin-1-ium-4-yl]methylidene]quinoline;iodide(IUPAC)
;
1-(3-Methylbutyl)-4-((1-(3-methylbutyl)-4(1H)-quinolylidene)methyl)quinolinium iodide
;
1-(3-Methylbutyl)-4-{(E)-[1-(3-methylbutyl)-4(1H)-quinolinylidene]methyl}quinolinium iodide(IUPAC)
;
1-(3-Methylbutyl)-4-{(E)-[1-(3-methylbutyl)quinolin-4(1H)-ylidene]methyl}quinolinium iodide
;
1-(3-Methylbutyl)-4-{[1-(3-methylbutyl)quinolin-4(1H)-ylidene]methyl}quinolinium iodide
;
Cyanine
;
EINECS:208-345-0
;
Quinoline Blue
;
Quinolinium, 1-(3-methylbutyl)-4-((1-(3-methylbutyl)-4(1H)-quinolinylidene)methyl)-, iodide
;
Quinolinium, 1-(3-methylbutyl)-4-[(E)-[1-(3-methylbutyl)-4(1H)-quinolinylidene]methyl]-, iodide (1:1)(CAS)
;
quinolinium, 1-(3-methylbutyl)-4-[[1-(3-methylbutyl)-4(1H)-quinolinylidene]methyl]-, iodide (1:1)
;
/<\>`|`\`|N`\`|`\`//|\\/`|/<\||`/>`||/\|\\/`||`\`|N^+`\`//|\/`|<\0I^->/`|/<`|>\

197. Ethyl bis(2,4-dinitrophenyl)acetate

Molecular formula: C16H12N4O10 CAS# 5833-18-1
7.49 pH
Names
English:
Benzeneacetic acid, α- (2,4-dinitrophenyl)-2,4-dinitro-, ethyl ester
;
Benzeneacetic acid, α-(2,4-dinitrophenyl)-2,4-dinitro-, ethyl ester(CAS)
;
Benzeneacetic acid, α-(2,4-dinitrophenyl)-2,4-dinitro-, ethyl ester (9CI)
;
Bis(2,4-dinitrophenyl)acetic acid ethyl ester
;
EINECS:227-415-1
;
Ethyl bis(2,4-dinitrophenyl) acetate
;
Ethyl bis(2,4-dinitrophenyl)acetate
;
[5833-18-1]
;
`/|O`/`\O\_(y1.2)<_(A52)_p6_qq6_q6<_p6N`^+<_q6O^->_pp6O>_qq6_q6<_qq6>_p6N`^+<_qq6O>_p6O^->_(A127)_pp6<_p6N^+<_pp6O>_q6O`^->_q6_qq6<_p6N^+<_p6O`^->_qq6O>_q6_qq6_q6
O`^-/N`^+<`\\O>-|\\<|N^+`/O/\O^->/`||`\`/c/_(A-45)<_(a-90)<_qq6O>_p6O_q6_p6>-\=/<-N^+</O^->\\O>`\\`-<`//>`|N^+`\O\/O^-

198. Curcumin

Molecular formula: C21H20O6 CAS# 458-37-7
7.49.2 10.211.8 pH
Names
English:
(1E,6E)-1,7-Bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione(IUPAC)
;
(1E,6E)-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,6-diene-3,5-dione(IUPAC)
;
1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxy-3-methoxyphenyl)-, (1E,6E)-(CAS)
;
C.I. 75300
;
Curcuma
;
Curcumin [Wiki]
;
Diferuloylmethane
;
E100
;
EINECS:207-280-5
;
Gelbwurz
;
Haldar
;
Kacha haldi
;
Natural yellow 3
;
Souchet
;
Turmeric
;
Turmeric yellow
;
`/`\\<`/O|CH3>`|<`\HO>//\||\//\|O`|/\|O`|/\\/`||/\\</OH>|<\O|CH3>`//`\
|`//<|O`/H3C>`\<`/HO>`||/\\/\\/`|O|\<|0"Keto form">/`|O|\//\/\\|<\OH>`//<|O\CH3>`\`||
|`//<|O`/H3C>`\<`/HO>`||/\\/\\/`|O|\<|0"Enol form">//<`|OH>\//\/\\|<\OH>`//<|O\CH3>`\`||

199. Acid Orange 7

Molecular formula: C16H11N2NaO4S CAS# 633-96-5
7.48.6 10.211.8 pH
Names
English:
11550 Orange
;
2-naphthol orange
;
Acid Orange
;
Acid Orange 7 [Wiki]
;
Acid Orange A
;
Acid Orange II
;
Acilan Orange II
;
Airedale Orange II
;
Amacid Orange Y
;
Atul Acid Orange II
;
Benzenesulfonic acid, 4-[(2E)-2-(2-oxo-1(2H)-naphthalenylidene)hydrazinyl]-, sodium salt (1:1)(CAS)
;
Betanaphthol Orange
;
Brasilan Orange A
;
Bucacid Orange A
;
C.I. 15510
;
C.I. Acid Orange 7
;
CI 15510
;
COLIPA C015
;
Calcocid Orange Y
;
D&C Orange 4
;
Hidacid Orange II
;
Hispacid Orange AF
;
Neklacid Orange II
;
Orange II
;
Orange Toner GRT
;
Sodium 4-[(2E)-2-(2-oxo-1(2H)-naphthalenylidene)hydrazino]benzenesulfonate(IUPAC)
;
Special Orange GR
;
Tropaeolin OOO
;
Tropaeolin ooo 2
;
Tropoclin OOO2
;
Vondacid Orange II
;
Wool Orange A
;
[161628-32-6]
;
sodium;4-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate(IUPAC)
;
β-Naphthyl orange
;
Na^+\0O`^-# -S<`||O><||O>-//-\\<`/`=`\>-N//N-/-/`\\`-`//\`/\<`/HO>=/`\\
/\\/`||`\`//<|>`\`//|`/O/\||N\NH|\\|`//<`\`||/>|S<_qq4O><_pp4O>|O^-\0Na^+

200. Acid Orange 20

Molecular formula: C16H11N2NaO4S CAS# 523-44-4
7.68.9 pH
Names
English:
4-(p-Sulfophenylazo)-1-naphthol, monosodium salt
;
4-[(4-Hydroxy-1-naphthalenyl)azo]benzenesulfonic Acid Monosodium Salt
;
Acid Orange 20
;
Benzenesulfonic acid, 4-[(E)-2-(4-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)(CAS)
;
Benzenesulfonic acid, p-[(4-hydroxy-1-naphthyl)azo]-, sodium salt
;
EINECS:208-346-6
;
Ext. D & C Orange 3
;
FD & C Orange I
;
Orange 1 [Wiki]
;
Orange yellow I
;
Sodium 4-[(E)-(4-hydroxy-1-naphthyl)diazenyl]benzenesulfonate(IUPAC)
;
Sodium Azo-a-naphtholsulfanilate
;
Sodium azo-α-naphtholsulfanilate
;
W9Q9OB858O
;
[523-44-4]
;
a-Naphthol Orange
;
sodium 4-[(E)-(4-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate
;
α-Naphthol Orange
;
Na^+\0O`^-# -S<`||O><||O>-//-\\<`/`=`\>-N//N-/`\//-\\`/\`/`=`\/-\-OH
/\\/`||`\`//<|>`\`|O|`/||\||N`/HN|\||`/<`\\`|//>|S<_qq4O><_pp4O>|O^-\0Na^+
Na^+_(x1.6,N0)O`^-\S<_(A60,N2)O><_(A120,N2)O>/\\/`||<`\`//|>/N\\N/\|\\/`||`\`|`\`//|\/`|/OH