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34 Products/Chemicals (Click for related suppliers)

• Acid blue 324 (CAS: 88264-80-6)

• Acid Dyes

IUPAC Name: sodium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate

Molecular Formula:	C₂₇H₃₁N₂NaO₆S₂	Molecular Weight:	566.663 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	7

InChIKey: SJEYSFABYSGQBG-UHFFFAOYSA-M

• Acid Yellow 151

IUPAC Name: cobalt(2+); (2E)-2-[(2-oxido-5-sulfamoylphenyl)hydrazinylidene]-3-oxo-N-phenylbutanimidate | CAS Registry Number: 12715-61-6
Synonyms: CCRIS 769, C.I. ACID YELLOW 151, EINECS 235-786-6, CID11979382, LS-188424, Cobaltate(2-), bis(2-((5-(aminosulfonyl)-2-(hydroxy-kappaO)phenyl)azo-kappaN1)-3-(oxo-kappaO)-N-phenylbutanamidato(2-))-, dihydrogen, Cobaltate(2-), bis(2-((5-(aminosulfonyl)-2-hydroxyphenyl)azo)-3-oxo-N-phenylbutanamidato(2-))-, dihydrogen, Dihydrogen bis(2-((5-(aminosulphonyl)-2-hydroxyphenyl)azo)-3-oxo-N-phenylbutyramidato(2-))cobaltate(2-), 56780-57-5, Cobaltate(2-), bis(2-(2-(5-(aminosulfonyl)-2-(hydroxy-kappaO)phenyl)diazenyl-kappaN1)-3-(oxo-kappaO)-N-phenylbutanamidato(2-))-, hydrogen (1:2)

Molecular Formula:	C₃₂H₂₈CoN₈O₁₀S₂-₂	Molecular Weight:	807.675520 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	18

InChIKey: CRQGXFHZHMIECO-YTKRQRDXSA-J

• Alizarin rubinol R

Synonyms: Fenalan Ruby R, Solway Rubinol R, Supracen Red 3B, Erionyl Rubine ER, Alizarine Rubine R, Superian Rubinol R, Solway Rubinole RA, Alizarine Rubinol R, Erio Fast Rubine R, Ahcoquinone Rubine R, Anthraquinone Rubine R, ALIZARIN RUBINOL, Alizarine Light Red R, Alizarine Rubinol R-CF, Erionyl Rubine E-2BFL, Alizarine Direct Red 2B, Erio Anthracene Rubine R, C.I. Acid Red 80, Nylomine Acid Red B-5B, EINECS 224-759-4

Molecular Formula:	C₂₄H₁₇N₂NaO₅S	Molecular Weight:	468.456950 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	6

InChIKey: RNTNZRPCYDDMIA-UHFFFAOYSA-M

• Basic Dyes

• Basic Fuchsin, Certified

IUPAC Name: 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydrochloride | CAS Registry Number: 58969-01-0
Synonyms: Basic violet 14, Rosaniline, Fuchsin, Basic magenta, Fuchsin basic, Fuchsine, Rosaniline hydrochloride, Rose aniline, Fuchsin, basic, MAGENTA, Magenta I, C.I. Basic Violet 14, Rosaniline chloride, Rosanilinium chloride, Aizen magenta, Basic fuchsine, Methyl fuchsin, Diamond Fuchsin, Aniline red, Mitsui Magenta

Molecular Formula:	C₂₀H₂₀ClN₃	Molecular Weight:	337.851 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	3

InChIKey: AXDJCCTWPBKUKL-UHFFFAOYSA-N

• Carmoisine

IUPAC Name: disodium (3Z)-4-oxo-3-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-1-sulfonate | CAS Registry Number: 3567-69-9
Synonyms: Azorubin, Karmesin, Nacarat, Carmoisine bss, Carmoisine ba, Carmoisine fu, Carmoisine ws, Carmois ine, hd carm oisine, Carmoisine S, Carmoisine supra, Carmoisine W, Solar Rubine, Chromotrope FB, Acid Rubine, Chromotrop FB, HD Carmoisine, Azo Rubine, Azo rubine af, Carmoisine GRN

Molecular Formula:	C₂₀H₁₂N₂Na₂O₇S₂	Molecular Weight:	502.428020 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	9

InChIKey: OJNIRNOPCQQNRY-BBFBTWSBSA-L

• Chromeazurol B

IUPAC Name: 5-[(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichlorophenyl)methyl]-2-hydroxy-3-methylbenzoic acid; sodium | CAS Registry Number: 1796-92-5
Synonyms: Chrome Blue DSC, Fenakrom Blue XB, Chrome Sky Blue B, Durochrome Azurol B, Eriochrome Azurol B, Eriochromal Azurol B, Solochrome Azurine B, Diacromo Sky Blue B, Diamond Pure Blue B, Alizarol Azurine ECA, Chrome Fast Blue BX, Chromoxan Pure Blue B, Chrome Fast Blue GBX, Chromoxane Pure Blue B, Omega Carone Azurine B, Erio Chrome Azurole BA, Erio Chrome Azurole BC, Sunchromine Pure Blue B, Synchromate Pure Blue B, C.I. Mordant Blue 1

Molecular Formula:	C₂₃H₁₆Cl₂NaO₆	Molecular Weight:	482.265310 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	6

InChIKey: JNDGFIKULFXGSF-UHFFFAOYSA-N

• Disperse Dyes

• Eriochrome Black T

IUPAC Name: 4-[(1-hydroxynaphthalen-2-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonic acid | CAS Registry Number: 1787-61-7
Synonyms: NSC7223, 3-Hydroxy-4-((1-hydroxy-2-naphthyl)diazenyl)-7-(hydroxy(oxido)amino)-1-naphthalenesulfonic acid

Molecular Formula:	C₂₀H₁₃N₃O₇S	Molecular Weight:	439.398120 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	9

InChIKey: HXCVORTXAHFAHC-UHFFFAOYSA-N

• Gentian Violet

IUPAC Name: [4-[bis(4-dimethylaminophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride | CAS Registry Number: 548-62-9
Synonyms: gentian violet, Crystal violet, Gentioletten, Gentersal, Gentiaverm, Pyoktanin, Genticid, Oxycolor, Vermicid, Adergon, Atmonil, Avermin, Oxiuran, Oxyozyl, Axuris, Vianin, Viocid, Badil, Hexamethyl Violet, Aniline Violet

Molecular Formula:	C₂₅H₃₀ClN₃	Molecular Weight:	407.978800 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: ZXJXZNDDNMQXFV-UHFFFAOYSA-M

• Methylene Blue Solution

IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride trihydrate | CAS Registry Number: 7220-79-3
Synonyms: methylene blue, Methylene Blue trihydrate, Methylene Blue [USAN], C.I. Basic Blue 9 trihydrate, C16H20N3S.3H2O.Cl, C.I. Basic Blue 9, trihydrate, LS-1619, C.I. Basic Blue 9, trihydrate (8CI), NCGC00091924-01, ST5406156, C.I. 52015, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride trihydrate, Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, trihydrate

Molecular Formula:	C₁₆H₂₄ClN₃O₃S	Molecular Weight:	373.898060 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	6

InChIKey: XQAXGZLFSSPBMK-UHFFFAOYSA-M

• Mordant Black 9

IUPAC Name: sodium 3-[2-(1,5-dioxonaphthalen-2-yl)hydrazinyl]-4-hydroxybenzenesulfonate | CAS Registry Number: 2052-25-7
Synonyms: MORDANT BLACK 9, MolPort-003-911-350, EINECS 218-145-5, EINECS 288-526-9, CID5359676, C.I. Mordant Black 9, monosodium salt, Sodium 3-((1,5-dihydroxy-2-naphthyl)azo)-4-hydroxybenzenesulphonate, Benzenesulfonic acid, 3-((1,5-dihydroxy-2-naphthalenyl)azo)-4-hydroxy-, monosodium salt, Benzenesulfonic acid, 3-((1,5-dihydroxy-2-naphthalenyl)azo)-4-hydroxy-, sodium salt, 85750-02-3, Benzenesulfonic acid, 3-(2-(1,5-dihydroxy-2-naphthalenyl)diazenyl)-4-hydroxy-, sodium salt (1:1)

Molecular Formula:	C₁₆H₁₁N₂NaO₆S	Molecular Weight:	382.323110 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	8

InChIKey: GJJYQFJLFUEXMR-UHFFFAOYSA-M

• N-(4-Hydroxymetanilyl)anthranilic acid

IUPAC Name: 2-[(3-amino-4-hydroxyphenyl)sulfonylamino]benzoic acid | CAS Registry Number: 91-35-0
Synonyms: EINECS 202-063-1, Anthranilic acid, N-(3-amino-4-hydroxyphenylsulfonyl)-, T0503-3791, 2-(((3-Amino-4-hydroxyphenyl)sulphonyl)amino)benzoic acid, Benzoic acid, 2-(((3-amino-4-hydroxyphenyl)sulfonyl)amino)-, 112195-29-6

Molecular Formula:	C₁₃H₁₂N₂O₅S	Molecular Weight:	308.309780 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	7

InChIKey: ISDVREGLMJJFJG-UHFFFAOYSA-N

• Orthanilic Acid

IUPAC Name: 2-aminobenzenesulfonic acid | CAS Registry Number: 88-21-1
Synonyms: Orthanilic acid, o-Sulfanilic acid, Aniline-o-sulfonic acid, o-Aminobenzenesulfonic acid, 2-Aminobenzenesulfonic acid, 2-Sulfanilic acid, Aniline-2-sulfonic acid, Aniline-o-sulphonic acid, 2-Aminobenzenesulfonate, Anilino-o-sulfonic acid, Anilino-2-sulfonic acid, Anilino-o-sulphonic acid, o-Aminophenylsulfonic acid, 2-aminobenzenesulphonate, 1-Aminobenzene-2-sulfonic acid, 2-Aminobenzenesulphonic acid, Benzenesulfonic acid, o-amino-, Benzenesulfonic acid, 2-amino-, CCRIS 4575, A86805_ALDRICH

Molecular Formula:	C₆H₇NO₃S	Molecular Weight:	173.189680 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: ZMCHBSMFKQYNKA-UHFFFAOYSA-N

• Para Amino Azobenzene 4-Sulfonic acid

IUPAC Name: 4-(4-aminophenyl)diazenylbenzenesulfonic acid | CAS Registry Number: 104-23-4
Synonyms: C.I. Food Yellow 6, Aminoazobenzenesulfonic acid, 4'-Sulfo-4-aminoazobenzene, 4-(4-Sulfophenylazo)aniline, C.I. 13011 (Free acid), C.I. Food Yellow 6 (VAN), 4'-Aminoazobenzene-4-sulfonic acid, NSC 4704, EINECS 203-187-9, 4'-Aminoazobenzene-4-sulphonic acid, 4-Aminoazobenzene-4'-sulphonic acid, NSC4704, AIDS019570, 4-Aminoazobenzene-4'-sulfonic acid, AIDS-019570, BRN 0753101, EINECS 286-112-2, 4-(4-Aminophenylazo)benzenesulfonic acid, p-((p-Aminophenyl)azo)benzenesulfonic acid, p-(p-Aminophenylazo)benzenesulfonic acid

Molecular Formula:	C₁₂H₁₁N₃O₃S	Molecular Weight:	277.299040 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	6

InChIKey: PPVRMPPLECDING-UHFFFAOYSA-N

• Pigment Green 18

IUPAC Name: [4-[(4-dimethylaminophenyl)-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride | CAS Registry Number: 569-64-2
Synonyms: Grenoble Green, China Green, Victoria Green, Aniline Green, Benzal Green, Burma Green B, Green Malaquite, Light Green N, Solid Green O, Diamond Green Bx, Victoria Green B, Victoria Green S, Benzaldehyde Green, Fast Green O, Green MX, Basic Green 4, Calcozine Green V, Malachite Green A, Malachite Green B, Victoria Green WB

Molecular Formula:	C₂₃H₂₅ClN₂	Molecular Weight:	364.911000 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: FDZZZRQASAIRJF-UHFFFAOYSA-M

• Reactive Dyes

• Rhodamine B

IUPAC Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium chloride | CAS Registry Number: 81-88-9
Synonyms: Rhodamine, Rhodamine O, Brilliant Pink B, Tetraethylrhodamine, Rhodamine S, Rheonine B, Rhodamine BA, Rhodamine BF, Rhodamine BL, Rhodamine BN, Rhodamine BS, Rhodamine BX, Rhodamine FB, Geranium lake N, Rhodamine BXL, Rhodamine BXP, Basic Violet 10, Symulex Pink F, ADC Rhodamine B, Rhodamine FB CL

Molecular Formula:	C₂₈H₃₁ClN₂O₃	Molecular Weight:	479.010340 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: PYWVYCXTNDRMGF-UHFFFAOYSA-N

• Sodium 1-Amine-2-Naphthol-4-Sulfonate

IUPAC Name: sodium;4-amino-3-hydroxynaphthalene-1-sulfonate | CAS Registry Number: 114394-36-4
Synonyms: Sodium 4-amino-3-hydroxynaphthalene-1-sulphonate, Sodium 1-amine-2-naphthol-4-sulfonate, 5959-58-0, UNII-TAU717J5AA, EINECS 227-728-3, 1-Amino-2-naphthol-4-sodium sulfonate, C10H8NNaO4S, TAU717J5AA, SCHEMBL4113728, CTK5B0183, DTXSID00208261, AKOS015914482, AKOS023552990, OR061073, P204, C-36523, I14-41624, 1-Naphthalenesulfonicacid, 4-amino-3-hydroxy-, sodium salt (1:1)

Molecular Formula:	C₁₀H₈NNaO₄S	Molecular Weight:	261.227 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	5

InChIKey: PIROYXPDJRYHBP-UHFFFAOYSA-M

• Sodium Bisulphite

IUPAC Name: sodium sulfite | CAS Registry Number: 7631-90-5
Synonyms: Sodium bisulphite, Sodium sulhydrate, Monosodium sulfite, SODIUM BISULFITE, Uantax SBS, Sodium acid sulfite, Sodium metabisulfite, Caswell No. 750, Hydrogen sodium sulfite, Hydrogen sulfite sodium, Sodium hydrogen sulfite, Sodium bisulfite [JAN], Sodium hydrosulfite(DOT), Sodium bisulfite (1:1), Sodium sulfite (NaHSO3), Sodium bisulfite (NaHSO3), Bisulfite de sodium [French], Fr-62, CCRIS 3950, HSDB 724

Molecular Formula:	NaO₃S-	Molecular Weight:	103.052970 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: DWAQJAXMDSEUJJ-UHFFFAOYSA-L

• Sodium Metabisulphite

IUPAC Name: disodium sulfinato sulfite | CAS Registry Number: 7681-57-4
Synonyms: Natriumbisulfit, Fertisilo, Natrii disulfis, Disodium disulfite, Campden Tablets, Sodium disulfite, Natrium pyrosulfit, Sodium pyrosulfite, Natriummetabisulfit, Disodium disulphite, Disodium pyrosulfite, Sodium metabisulfite, Sodium metabisulphite, Disodium metabisulfite, Natrium metabisulfurosum, Sodium bisulfite anhydrous, Disulfurous acid, disodium salt, Sodium Metabisulfite [USAN], Disulfurous acid, sodium salt, Disulphurous acid, sodium salt

Molecular Formula:	Na₂O₅S₂	Molecular Weight:	190.106540 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: LDTLADDKFLAYJA-UHFFFAOYSA-L

• Sodium Orthanilate

IUPAC Name: sodium 2-aminobenzenesulfonate | CAS Registry Number: 13846-13-4
Synonyms: Sodium 2-aminobenzenesulfonate, Sodium o-aminobenzenesulphonate, EINECS 237-578-0, CID3014790

Molecular Formula:	C₆H₆NNaO₃S	Molecular Weight:	195.171510 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: KYXOYPPMBYKBFL-UHFFFAOYSA-M

• 1-NAPHTHALENESULFONIC ACID 3-AMINO-4-HYDROXY-

IUPAC Name: 3-amino-4-hydroxynaphthalene-1-sulfonic acid | CAS Registry Number: 567-13-5
Synonyms: 2-Amino-1-naphthol-4-sulfonic acid, CID68429, EINECS 209-302-9, 3-Amino-4-hydroxynaphthalene-1-sulphonic acid, 1-Naphthalenesulfonic acid, 3-amino-4-hydroxy-

Molecular Formula:	C₁₀H₉NO₄S	Molecular Weight:	239.247760 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	5

InChIKey: YFGOOWJUPKTAPF-UHFFFAOYSA-N

• 4-Diazo-3,4-Dihydro-7-Nitro-3-Oxo-1-Naphthalenesulfonic Acid

IUPAC Name: 4-diazonio-3-hydroxy-7-nitronaphthalene-1-sulfonate | CAS Registry Number: 63589-25-3
Synonyms: EINECS 264-347-1, CID113367, 4-Diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid, 1-Naphthalenesulfonic acid, 4-diazo-3,4-dihydro-7-nitro-3-oxo-, 101667-26-9, 117255-15-9, 123216-22-8, 155668-12-5, 172683-35-1, 5366-84-7, 65180-76-9, 92815-48-0

Molecular Formula:	C₁₀H₅N₃O₆S	Molecular Weight:	295.228200 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	7

InChIKey: CCFWJWRQXDDAEJ-UHFFFAOYSA-N

• 2-Aminophenol-4-Sulfonanilide

IUPAC Name: 3-amino-4-hydroxy-N-phenylbenzenesulfonamide | CAS Registry Number: 80-20-6
Synonyms: 4-Hydroxymetanilanilide, Metanilanilide, 4-hydroxy-, 3-Amino-4-hydroxybenzenesulfonanilide, NSC315543, CID66453, Metanilanilide, 4-hydroxy- (8CI), EINECS 201-258-9, ZINC05299174, BBR-024030, NSC 315543, AI3-62996, Benzenesulfonamide, 3-amino-4-hydroxy-N-phenyl-, 3-Amino-4-hydroxy-N-phenylbenzenesulphonamide

Molecular Formula:	C₁₂H₁₂N₂O₃S	Molecular Weight:	264.300280 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	5

InChIKey: IAOZVUUQCPRLOI-UHFFFAOYSA-N

• 1 - Diazo-2-Naphthol-4-Sulfonic Acid

IUPAC Name: 4-diazonio-3-hydroxynaphthalene-1-sulfonate | CAS Registry Number: 887-76-3
Synonyms: EINECS 212-958-9, ZINC04528703, 4,4'-Azo-3-hydroxynaphthalene-1-sulphonate, 1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt, 1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, hydroxide, inner salt, 84-93-5

Molecular Formula:	C₁₀H₆N₂O₄S	Molecular Weight:	250.230640 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: QHIBNGIZPPHJAT-UHFFFAOYSA-N

• 6-Nitro-1-Diazo-2-Naphthol-4-Sulfonic Acid

IUPAC Name: 2-hydroxy-6-nitro-4-sulfonaphthalene-1-diazonium | CAS Registry Number: 50412-00-5
Synonyms: EINECS 256-582-3, CID113368, 2-Hydroxy-6-nitro-4-sulphonaphthalene-1-diazonium, 1-Naphthalenediazonium, 2-hydroxy-6-nitro-4-sulfo-

Molecular Formula:	C₁₀H₆N₃O₆S+	Molecular Weight:	296.236140 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	7

InChIKey: CCFWJWRQXDDAEJ-UHFFFAOYSA-O

• 1-Amino-2-Naphthol-4-Sulphonic Acid

IUPAC Name: 4-amino-3-hydroxynaphthalene-1-sulfonic acid | CAS Registry Number: 116-63-2
Synonyms: Ambap129, 1-Amino-4-sulfo-2-naphthol, 1,2,4-Acid, 1-Amino-2-naphthol-4-sulfonic acid, 4-Amino-3-hydroxy-1-naphthalenesulfonic acid, 109754_ALDRICH, 2-Hydroxy-4-sulfo-1-naphthylamine, 08751_FLUKA, CHEBI:19024, EINECS 204-147-3, NSC4986, NSC 25061, AIDS001789, 398969_SIAL, AIDS-001789, NSC25061, SBB008870, 4-Amino-3-hydroxynaphthalenesulfonic acid, 4-NH2-3-OH-naphthalenesulfonic acid, 4-Amino-3-hydroxynaphthalene-1-sulphonic acid

Molecular Formula:	C₁₀H₉NO₄S	Molecular Weight:	239.247760 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	5

InChIKey: RXCMFQDTWCCLBL-UHFFFAOYSA-N

• 6-Nitro 1,2,4 Diazo Acid (Ndnsa)

IUPAC Name: 4-diazonio-3-hydroxy-7-nitronaphthalene-1-sulfonate | CAS Registry Number: 5366-84-7
Synonyms: EINECS 264-347-1, CID113367, 4-Diazo-3,4-dihydro-7-nitro-3-oxonaphthalene-1-sulphonic acid, 1-Naphthalenesulfonic acid, 4-diazo-3,4-dihydro-7-nitro-3-oxo-, 101667-26-9, 117255-15-9, 123216-22-8, 155668-12-5, 172683-35-1, 63589-25-3, 65180-76-9, 92815-48-0

Molecular Formula:	C₁₀H₅N₃O₆S	Molecular Weight:	295.228200 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	7

InChIKey: CCFWJWRQXDDAEJ-UHFFFAOYSA-N

• 6-Nitro-2-Amino-L-Phenol-4-Sulphonic Acid

IUPAC Name: 3-amino-4-hydroxy-5-nitrobenzenesulfonic acid | CAS Registry Number: 96-93-5
Synonyms: MLS000776595, 515221_ALDRICH, EINECS 202-546-7, BRN 3144885, 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid, LS-31749, SMR000371835, 3-Amino-4-hydroxy-5-nitrobenzenesulphonic acid, ST5401802, Benzenesulfonic acid, 3-amino-4-hydroxy-5-nitro-, Kyselina 2-amino-6-nitrofenol-4-sulfonova [Czech], Kyselina 6-nitro-2-aminofenol-4-sulfonova [Czech], 2-14-00-00488 (Beilstein Handbook Reference), 2-AMINO-6-NITRO-1-PHENOL-4-SULFONIC ACID

Molecular Formula:	C₆H₆N₂O₆S	Molecular Weight:	234.186640 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	7

InChIKey: RHPXYZMDLOJTFF-UHFFFAOYSA-N

• 1-Amino-2-naphthol

IUPAC Name: 1-aminonaphthalen-2-ol | CAS Registry Number: 2834-92-6
Synonyms: 2-Naphthalenol, 1-amino-, 2-Naphthol, 1-amino-, alpha-Amino-beta-naphthol, 1-Amino-2-hydroxynaphthalene, 2-Hydroxy-1-aminonaphthalene, .alpha.-Amino-.beta.-naphthol, ZERO/005859, NSC7938, NSC 7938, EINECS 220-606-0, ZINC00119429, EC-000.1432, LS-194583, 1198-27-2, 95609-86-2

Molecular Formula:	C₁₀H₉NO	Molecular Weight:	159.184560 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: FHMMQQXRSYSWCM-UHFFFAOYSA-N

• 4-Aminoazobenzene-4'-Sulfonic Acid, Sodium Salt

IUPAC Name: 4-(4-aminophenyl)diazenylbenzenesulfonic acid | CAS Registry Number: 2491-71-6
Synonyms: C.I. Food Yellow 6, Aminoazobenzenesulfonic acid, 4'-Sulfo-4-aminoazobenzene, 4-(4-Sulfophenylazo)aniline, C.I. 13011 (Free acid), C.I. Food Yellow 6 (VAN), 4'-Aminoazobenzene-4-sulfonic acid, NSC 4704, EINECS 203-187-9, 4'-Aminoazobenzene-4-sulphonic acid, 4-Aminoazobenzene-4'-sulphonic acid, NSC4704, AIDS019570, 4-Aminoazobenzene-4'-sulfonic acid, AIDS-019570, BRN 0753101, EINECS 286-112-2, 4-(4-Aminophenylazo)benzenesulfonic acid, p-((p-Aminophenyl)azo)benzenesulfonic acid, p-(p-Aminophenylazo)benzenesulfonic acid

Molecular Formula:	C₁₂H₁₁N₃O₃S	Molecular Weight:	277.299040 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	6

InChIKey: PPVRMPPLECDING-UHFFFAOYSA-N

• 2-Aminophenol

IUPAC Name: 2-aminophenol | CAS Registry Number: 95-55-6
Synonyms: o-Hydroxyaniline, O-AMINOPHENOL, 2-Hydroxyaniline, Fouramine OP, Benzofur GG, Phenol, o-amino-, Pelagol Grey GG, 2-Aminobenzenol, Pelagol 3GA, Phenol, 2-amino-, Nako Yellow ga, Nako Yellow 3GA, Questiomycin B, BASF ursol 3GA, ortho-aminophenol, Zoba 3GA, 2-Hydroxyanaline, o-Hydroxyphenylamine, Paradone Olive Green B, 2-Amino-1-hydroxybenzene

Molecular Formula:	C₆H₇NO	Molecular Weight:	109.125880 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: CDAWCLOXVUBKRW-UHFFFAOYSA-N