Chemco International

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Profile: Chemco International produces basic dyes, solvent dyes, acid dyes, dyestuff intermediates and food colors. We are accredited with ISO 9002 certification. Our products are used in synthetic & natural fibers, inks, paper and leather. Our food colors include sunset yellow, tartrazine, amaranth and erythrosine.

13 Products/Chemicals (Click for related suppliers)

• Basic Dyes

• Dyes and Dyestuff Intermediates

• Dyestuffs

• Food Colors

• M-Amino Benzenesulphonic Acid

IUPAC Name: 3-aminobenzenesulfonic acid | CAS Registry Number: 121-47-1
Synonyms: Metanilic acid, m-Sulfanilic acid, m-Aminobenzenesulfonic acid, m-Anilinesulfonic acid, Kyselina metanilova, Aminobenzenesulfonic acid, 3-AMINOBENZENESULFONIC ACID, 3-Aminobenzenesulfonate, Aniline-m-sulfonic acid, 1-Aminobenzene-3-sulfonic acid, 3-Aminobenzenesulphonic acid, Kyselina metanilova [Czech], WLN: ZR CSWQ, 3-Amino-benzenesulfonic acid, Benzenesulfonic acid, 3-amino-, Kyselina anilin-3-sulfonova, CCRIS 2760, m-Amino benzenesulfonic acid, 165794_ALDRICH, NSC 4504

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

InChIKey: ZAJAQTYSTDTMCU-UHFFFAOYSA-N

• M-Aminobenzoic Acid

IUPAC Name: 3-aminobenzoic acid | CAS Registry Number: 99-05-8
Synonyms: m-Carboxyaniline, m-Aminobenzoic acid, 3-Carboxyaniline, gabaculine, Benzoic acid, 3-amino-, 3-AMINOBENZOIC ACID, Benzoic acid, m-amino-, MABA, m-Aminobenzoesaeure, 3-Aminobenzoesaeure, meta-aminobenzoic acid, Aniline-3-carboxylic acid, WLN: ZR CVQ, Oprea1_172994, C7H7NO2, MLS000069458, MLS001076476, 127671_ALDRICH, 06920_FLUKA, CHEBI:42682

Molecular Formula:	C₇H₇NO₂	Molecular Weight:	137.135980 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: XFDUHJPVQKIXHO-UHFFFAOYSA-N

• M-Nitrobenzoic Acid

IUPAC Name: 3-nitrobenzoic acid | CAS Registry Number: 121-92-6
Synonyms: m-Nitrobenzoic acid, Benzoic acid, m-nitro-, Benzoic acid, 3-nitro-, 3-NITROBENZOIC ACID, Metanitrobenzoic acid, meta-Nitrobenzoic acid, WLN: WNR CVQ, m-Nitrobenzenecarboxylic acid, CCRIS 2335, HSDB 6028, 185329_ALDRICH, NSC 9801, EINECS 204-508-5, NSC9801, AIDS166836, AIDS-166836, BRN 0908644, LS-659, STK301724, AI3-09015

Molecular Formula:	C₇H₅NO₄	Molecular Weight:	167.118900 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: AFPHTEQTJZKQAQ-UHFFFAOYSA-N

• Nigrosine

IUPAC Name: disodium (6E)-4-amino-3-(4-nitrophenyl)diazenyl-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate | CAS Registry Number: 8005-03-6
Synonyms: Nigrosin, Nigrosine B, Nigrosine WSB, Acid black 2, CI Acid black 2, NIGROSINE, Buffalo Black NBR, Lurazol Deep Blue EB, Calco nigrosine O 2P, C.I. Acid Black 2, Nigrosine wl water soluble, HSDB 1971, ANILINE BLUE BLACK, TECH, Nigrosine (C.I. Acid Black 2), NIGROSINE (WATER SOLUBLE), CI 50420, LS-7545, 1064-48-8, 12227-81-5, 69073-21-8

Molecular Formula:	C₂₂H₁₄N₆Na₂O₉S₂	Molecular Weight:	616.490900 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	14

InChIKey: HKBVRFLHNUEVRO-AXSRUCDFSA-L

• P-Amino Azo Benzene 3,4 Disulphonic Acid

IUPAC Name: 2-amino-5-(4-sulfophenyl)diazenylbenzenesulfonic acid | CAS Registry Number: 101-50-8
Synonyms: 4-Amino-3,4'-disulfoazobenzene, NCIOpen2_007520, WLN: WSQR BZ ENUNR DSWQ, EINECS 202-947-7, 4-Aminoazobenzene-3,4'-disulfonic acid, NSC 57606, NSC57606, BRN 0711063, Azobenzene-3,4'-disulfonic acid, 4-amino-, Benzenesulfonic acid, 6-amino-3,4'-azodi-, 4-Aminoazobenzene-3,4'-disulphonic acid, LS-31760, Kyselina 4-aminoazobenzen-3,4'-disulfonova, 4-(4-Amino-3-sulfophenylazo)benzenesulfonic acid, Kyselina 4-aminoazobenzen-3,4'-disulfonova [Czech], Benzenesulfonic acid, 4-(4-amino-3-sulfophenylazo)-, 4-16-00-00595 (Beilstein Handbook Reference), Benzenesulfonic acid, 2-amino-5-((4-sulfophenyl)azo)-, Benzenesulfonic acid, 4-((4-amino-3-sulfophenyl)azo)-, 4-[(4-Amino-3-sulfophenyl)azo]benzenesulfonic acid

Molecular Formula:	C₁₂H₁₁N₃O₆S₂	Molecular Weight:	357.362240 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	9

InChIKey: DCYBHNIOTZBCFS-UHFFFAOYSA-N

• 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

• Solvent Dye

• 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

• 4-Aminoazobenzene Hydrochloride

IUPAC Name: 4-phenyldiazenylaniline hydrochloride | CAS Registry Number: 3457-98-5
Synonyms: p-AMINOAZOBENZENE HCl, PRACT

Molecular Formula:	C₁₂H₁₂ClN₃	Molecular Weight:	233.696780 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: WMNTYZIRLUBHEE-UHFFFAOYSA-N