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Dyes Intermediates

NAME Chemical Name CAS No
H ACID 1-AMINO-8-NAPHTHALENE-3,6-DISULFONIC ACID 5460-09-3
H ACID (FREE ACID) 1-AMINO-8-NAPHTHALENE-3,6-DISULFONIC ACID 5460-09-3
DASA 4,4 – DIAMINO SULFANILIDE 16803-97-7
SULPHO J ACID 2-AMINO-5-NAPHTHOL-1-7-DISULPHONIC ACID 6535-70-2
2R ACID SULPHO GAMMA ACID 90-40-4
KOCH ACID 1-NAPHTHYL AMINE 3,6,8-TRISULPHONIC ACID 117-42-0
M ACID 2,6-DIAMINO MESITYLENE 4-SULFONIC ACID 32432-55-6
BRONNER’S ACID 6-AMINO-2-NAPHTHALENESULFONIC ACID 93-00-5
F.C. ACID 4,4-DIAMINO DIPHENYL -2- SULPH ACID 119-70-0
BDSA BENZIDINE-2,2-DISULFONIC ACID 117-61-3
METANILIC ACID 1-AMINO-3-BENZENE SULPHONIC ACID 121-47-1
4-CHLORO METANILIC ACID 3-AMINO 6-CHLORO BENZENE SULFONIC ACID 88-43-7
6-CHLORO METANILIC ACID 3-AMINO 6-CHLORO BENZENE SULFONIC ACID  98-36-2
RESIST SALT SODIUM 3-NITROBENZENESULPHONATE 127-68-4
MUA META UREIDO ANILINE 59690-88-9
MPDSA META PHENYLENE DIAMINE-4-SULPHONIC ACID 88-63-1
MPDDSA M-PHENYLENE DIAMINE-4,6-DISULPHONAMIDE 137-50-8
ACETYL MPDSA 3 AMINO ACETANILIDE 4 SULFONIC ACID 88-64-2
GAMMA ACID AMINO 8 NAPTHOL 6 SULFONIC ACID 90-51-7
N-METHYL GAMMA ACID 1-NAPHTHOL 3- SULPHONIC ACID 7-METHYL AMINO 6259-53-6
MSPG M-SULFHO PHENYL GAMMA ACID 25251-42-7
J ACID 6-AMINO-1-NAPHTHOL-3-SULPHONIC ACID 87-02-5
N-PHENYL J-ACID N-PHENYL J-ACID 119-40-4
NMJ N-METHYL J-ACID 22346-43-6
DI J ACID RHODULINE ACID 87-03-6
VS PARA ESTER VINYL SULFONE PARA BASE ESTER 2494-89-5
SULPHO VS SULPHONATED VINYL SULPHONE PARA BASE 42986-22-1
OAVS VINYL SULPHONE ESTER ORTHO ANISIDINE BASE 10079-20-6
PCVS PARA CRESEDINE VINYL SULPHONE 21635-69-8
2:5 DMAVS VINYL SULF ESTER 2:5 DIMETHOXY ANILINE 26672-24-2
V. S. PYRAZOLONE OXYETHYL SULFONE PYRAZOLONE 21951-34-8
K ACID 2- NAPTHYLAMINE 3,6,8-TRISULPHONIC ACID 118-03-6
EK ACID EUROPEAN K. ACID 130-23-4
1,4-SPCP 1,4-SULPHOPHENYL 3 CARBOXY 5 PYRAZOLONE 118-47-8
1,4-SPMP 1,4-SULPHOPHENYL 3 METHYL-5-PYRAZOLONE 89-36-1
2,5-DCSPMP 1-(2:5 DICHLORO-4-SULPHOPHENYL)-3-CARBOXY-5-PYRAZOLONE 84-57-1
PNA PARA NITRO ANILINE 100-01-6
2,5-DCPNA 2,5-DICHLORO PARA NITRO ANILINE 6627-34-5
OCPNA ORTHO CHLORO PARA NITRO ANILINE 121-87-9
2,6-DBPNA 2,6-DIBROMO-4-NITROANILINE 827-94-1
2,6-DCPNA 2,6-DICHLORO PARA NITRO ANILINE 99-30-9
2-CAP 2-CHLORO-4-AMINO PHENOL 3964-52-1
4-CAP 4-CHLORO-2-AMINO PHENOL 95-85-2
4-NAP 4-NITRO-2-AMINO PHENOL 99-57-0
5-NAP 5-NITRO-2-AMINO PHENOL 121-88-0
BLUE B BASE ORTHO DI ANISIDINE BASE 119-90-4
CHROMOTROPIC ACID 4,5 – DIHYDROXYNAPHTHALENE-2,7 DISULFONIC ACID 3888-44-6
OAPSAMIDE 2-AMINO PHENOL-4-SULPHONAMIDE 98-32-8
ANTHRANILIC OPSAMIDE 2-AMINOPHENOL-4-(2-CARBOXY)SULFONANILIDE 91-35-0
METHYL OPSAMIDE 2-AMINO PHENOL-N-METHYL-4-SULPHONAMIDE 80-23-9
ANTHRANILIC ACID – 99% 2-AMINOBENZOIC ACID 118-92-3
4-SAA 4-SULPHO ANTHRANILIC ACID 98-43-1
5-SAA 5-SULPHO ANTHRANILIC ACID 3577-63-7
HYDRAZONE OF 4-SAA HYDRAZONE OF 4-SULFO ANTHRANILIC ACID 118969-69-2
HYDRAZONE OF 5-SAA HYDRAZONE OF 5-SULFO ANTHRANILIC ACID 68645-45-4
COPPER FORMAZONE BLUE OF 4-SAA COPPER FORMAZONE BLUE OF 4-SULFO ANTHRANILIC ACID 77840-01-8
ACDMA 5-AMINO-2-CHLORO-N-(2,4-DIMETHYLPHENYL)-BENZENESULFONAMIDE 71215-81-1
PAABSA P-AMINO AZO BENZENE-4-SULPHONIC ACID 104-23-4
G SALT 2-NAPHTHOL 6,8-DISULPHONIC ACID 842-18-2
R – SALT 2-NAPTHOL-3,6-DISULPHONIC ACID 135-51-3
VIOLET ACID 1-NAPTHOL-3,6-DISULPHONIC ACID 578-85-8
PERI ACID 8-AMINO-1-NAPHTHALENE SULFONIC ACID 82-75-7
PHENYL PERI ACID 1-PHENYLAMINO-8- NAPTHALENE SULFONIC ACID 82-76-8
A24DSA ANILINE-2,4-DISULPHONIC ACID 137-51-9
ADSA ANILINE-2,5-DISULPHONIC ACID 98-44-2
PAA PARA-AMINO ACETANILIDE 122- 80-5
PAA3SA P-AMINO ACETANILIDE-3-SULFONIC ACID 96-78-6
PAAB34DSA PARA AMINO AZO BENZENE 3,4 -DISULPHONIC ACID 101-50-8
MAA META-AMINO ACETANILIDE 102-28-3
MAP 3-AMINO PHENOL 591-27-5
2,5-DATS 2,5-DIAMINO TOLUENE SULPHATE 615-50-9
2-CHLORO PPD SULPHATE 2-CHLORO P-PHENYLENEDIAMINE SULPHATE 6219-71-2
2-NITRO-PPD 2-NITRO PARA PHENYLENE DIAMINE 5307-14-2
PPD P-PHENYLENE DIAMINE 106-50-3
2,5-DMPPD 2,5-DIMETHYL-P-PHENYLENEDIAMINE 6393-01-7
PPD25DSA P-PHENYLENE DIAMINE-2,5-DISULFONIC ACID 7139-89-1
PPDOSA P-PHENEYLENE DIAMINE-2-SULFONIC ACID 88-45-9
2,4-DNCB 2,4- DINITRO CHLORO BENZENE 97-00-7
2,5-DCNB 2,5-DICHLORO NITRO BENZENE 89-61-2
1,6-CLEVE’S ACID 5-AMINO-2-NAPHTHALENE SULFONIC ACID 119-79-9
1,7-CLEVE’S ACID 8-AMINO-2-NAPHTHALENE SULFONIC ACID 119-28-8
MIXED CLEVE’S ACID 1 NAPHTHALAMINE 6,7-SULPHONIC ACID 51548-48-2
4-NAPSA 4-NITRO-2-AMINO PHENOL-6-SULFONIC ACID 96-67-3
6-NAPSA 6-NITRO-2-AMINO PHENOL-4-SULFONIC ACID 96-93-5
4-ADAPSA 4-AMINO DIPHENYLAMINE-2-SULFONIC ACID 91-30-5
4-NADPSA 4-NITRO-4-AMINO DIPHENYLAMINE 2-SULPHONIC ACID 91-29-2
4-CAPSA 4-CHLORO-2-AMINO PHENOL-6-SULPHONIC ACID 88-23-3
6-CAPSA 6-CHLORO-2-AMINO PHENOL-4-SULPHONIC ACID 5857-94-3
SULPHANILIC ACID SULPHANILIC ACID (TECHNICAL/PURIFIED) 121-57-3
2-ACETAMIDOPHENOL N-ACETYL-O-AMINO PHENOL 614-80-2
2-PYRIDON 3-CARBOMYL-4-METHYL-6-HYDROXY-1-ETH 29097-12-9
2,5-DCASA 2,5 DICHLORO ANILINE 4-SULPHONIC ACID 88-50-6
3-AMINO BENZOYL H-ACID META-AMINO BENZOYL H-ACID
3-AMINO BENZOYL K-ACID META AMINO BENZOYL K ACID 70239-77-9
3,5-DCA 3,5-DICHLORO ANILINE 626-43-7
4-CHLORO MPD 4-CHLORO META PHENYLENE DIAMINE 5131-60-2
4-HMQ 4-HYDROXY N-METHYL-2-QUINOLONE 1677-46-9
4-NITRO-MPD 4-NITRO-1,3-PHENYLENE DIAMINE 5131-58-8
4-NITRO-OPD 4-NITRO-1,2-PHENYLENE DIAMINE 99-56-9
4,6-DCAP 4,6-DICHLORO-2-AMINO PHENOL 527-62-8
6-Acetyl OAPSA 6-ACETYLAMINE-2-AMINO PHENOL-4-SULFONIC ACID 40306-75-0
6-CHLORO 4NAP 6-CHLORO-4-NITRO-2-AMINO PHENOL 6358-09-04
6-NITRO 4CAP 6-NITRO-4-CHLORO-2-AMINO PHENOL 6358-08-3
6-NITRO BENZOXAZOLONE 6-NITRO BENZOXAZOLONE 4694-91-1
ACETYL BROENERS ACID 6-ACETAMIDO-2-NAPHTHALENE SULFONIC ACID 68189-32-2
ACETYL DASA
ACETYL F.C. ACID
ACETYL GAMMA ACID 2-ACETAMIDO-8-NAPHTHOL-6-SUFONIC ACID 6361-41-7
ACETYL H-ACID 1-ACETYLAMINO-2-NAPHTHOL-3-6 DISULPHONIC ACID 16698-16-1
ACETYL J-ACID 2-ACETAMIDO-5-HYDROXY-7-NAPHTHALENE SULFONIC ACID 6334-97-0
ACETYL PPDSA P-AMINO ACETANILIDE-2-SULFONIC ACID 6973-05-3
AMIDO EPSILON ACID 1,6-NAPHTHALENE DISULFONICACID, 8-AMINO-,SODIUM SALT (1:1) 74543-22-9
AMIDO G ACID 2-NAPHTHYLAMINE 6,8-DISULFONIC ACID 86-65-7
ARMSTRONG ACID NAPTHALENE-1,5-DISULPHONIC ACID 81-04-9
BENZOXAZOLONE 2-BENZOXAZOLINONE 59-49-4
BENZOYL H-ACID 4-BENZAMIDO-5-HYDROXY-2,7-NAPHTHALENE DISULPHONIC ACID 117-46-4
BENZOYL J ACID 2-BENZOYLAMINO – 5-NAPTHOL 7-SULPHONIC ACID 132-87-6
BENZOYL MPDSA
CHICAGO ACID 8-AMINO-1-NAPHTHOL-5,7-DISULFONIC ACID 82-47-3
CHLORANIL CHLORANIL 118-75-2
DABA 4,4-DIAMINO BENZANILIDE 785-30-8
DICHLONE 2,3′ – DICHLORO-1,4′ – NAPHTHAQUINONE 117-80-6
DNSDA 4,4 DINITRO STILBENE -2,2-DISULPHONIC ACID 128-42-7
DTPTSA DEHYDROTHIO-P-TOLUIDINE SULFONIC ACID 130-17-6
EPSILON ACID 1 NAPTHOL-3,8′-DISULPHONIC ACID 117-43-1
HYDRAZO BENZENE 1,2-DIPHENYLHYDRAZINE 122-66-7
LAURENT ACID 1-NAPHTHYLAMINE-5-SULFONIC ACID 84-89-9
MAAMSA METHOXY AMINO AZO BENZENE M-SULFONIC ACID 138-28-3
META CHLORO ANILINE 1-AMINO-3-CHLORO BENZENE 108-42-9
META TOLUIDINE META TOLUIDINE 59690-88-9
MXOS META XYLIDINE ORTHO SULFONIC ACID 88-22-2
NAPTHOL AS-G NAPTHOL AS-G (99% MINIMUM) 91-96-3
NASDA 4-NITRO-4-AMINOSTILBENE-2,2-DISULFONIC ACID 119-72-2
O-ADPS 2-AMINO DIPHENYL SULPHONE 4273-98-7
O-APMS 2-AMINO PHENOL-4-METHYL SULPHONE 98-30-6
O-DCB O-DICHLORO BENZENE 95-50-1
O-NASA 2-NAPHTHYLAMINE-6-SULPHO METHYL AMIDE 104295-55-8
OACMS 2-AMINO-N-CYCLOHEXYL-N-METHYL-BENZENE SULFONAMIDE 70693-59-3
OAPSA 2-AMINO PHENOL-4-SULPHONIC ACID 98-73-3
OCPNA ORTHO CHLORO PARA NITRO ANILINE 121-87-9
OD-DIHCL O-DIANISIDINE DIHYDROCHLORIDE 20325-40-0
ONA O-NITRO ANILINE 88-74-4
ONAPSA 2 – NITRO ANILINE 4- SULPHONIC ACID 616-84-2
ONCBSA ORTHO NITRO CHLORO BENZENE-4-SULPHONIC ACID 121-18-6
ONTSA O-NITRO TOLUENE-4-SULFONIC ACID 97-06-3
OPDA ORTHO PHENYLENE DIAMINE 95-54-5
OT BASE ORTHO TOLIDINE BASE 119-93-7
OTDH ORTHO TOLIDINE DIHYDROCHLORIDE 612-82-8
OTPSA O-TOLUIDINE-P-SULPHONIC ACID 98-33-9
PCPGA P-CARBOXY PHENYL GAMMA ACID 5855-84-5
PMDA PYROMELLITIC DIANHYDRIDE 89-32-7
PMPA 4-METHOXY PHENYL ACETONE 122-84-9
PMPAN 4-METHOXY PHENYL ACETONITRILE 104-47-2
PNAOSA P-NITRO ANILINE-2-SULPHONIC ACID 30693-53-9
PNCBOSA PARA NITRO CHLORO BENZENE-2-SULPHONIC ACID 96-73-1
PNTOSA PARA NITRO TOLUENE ORTHO SULPHONIC ACID 121-03-9
PTOSA P-TOLUIDINE-O-SULFONIC ACID 118-88-7
SCHAEFFER’S ACID 2-NAPTHOL-6-SULFONIC ACID 93-01-6
STA SULPHO TOBIAS ACID (ELECTRONIC GRADE) 117-62-4
STA SULPHO TOBIAS ACID 117-62-4
SULFANILAMIDE 4-AMINO BENZENE SULPHONAMIDE 63-74-1
SULPHO C ACID 2-AMINO-4,6,8-NAPHTHALENE TRI-SULFONIC ACID 27310-25-4

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NAME Chemical Name CAS No Molecular Weight (MW) Physical Appearance PURITY (BY NV/CV/HPLC) INSOLUBLES Others
H ACID 1-AMINO-8-NAPHTHALENE-3,6-DISULFONIC ACID 5460-09-3 319 CREAMISH DRY POWDER 80 % MIN BY N.V. 0.10 % MAX HPLC – 97 % MIN
H ACID (FREE ACID) 1-AMINO-8-NAPHTHALENE-3,6-DISULFONIC ACID 5460-09-3 341 CREAMISH DRY POWDER 80 % MIN BY N.V. 0.10 % MAX HPLC – 97 % MIN
DASA 4,4 – DIAMINO SULFANILIDE 16803-97-7 263 LIGHT TO DARK PINK POWDER 92 % MIN BY N.V. 0.20 % MAX PPDA CONTENT : 0.20%
SULFANILIC ACID : 0.50% MAX
SULPHO J ACID 2-AMINO-5-NAPHTHOL-1-7-DISULPHONIC ACID 6535-70-2 319 GREY COLOR POWDER 60 % MIN BY N.V. 0.50 % MAX J ACID CONTENT : 1% MAX.
2R ACID SULPHO GAMMA ACID 90-40-4 319 LIGHT GREY OR WHITE DRY POWDER 60 % MIN BY N.V. 0.20 % MAX 96 % MIN BY HPLC
KOCH ACID 1-NAPHTHYL AMINE 3,6,8-TRISULPHONIC ACID 117-42-0 383 CREAMISH BROWN MOIST POWDER 70 % MIN 0.10 % MAX
M ACID 2,6-DIAMINO MESITYLENE 4-SULFONIC ACID 32432-55-6 230 CREAMISH DRY POWDER 92 % MIN BY N.V. 0.20 % MAX
BRONNER’S ACID 6-AMINO-2-NAPHTHALENESULFONIC ACID 93-00-5 223 OFF WHITE TO GREYISH POWDER 90% MIN BY C.V. (DRY POWDER)
65% MIN BY C.V. (MOIST POWDER)
0.20 % W/V MAX (IN METHANOL) SCHAFFER ACID CONTENT : 0.50% MAX
AMIDO G CONTENT : 0.20% MAX
BNA CONTENT : 100PPM
DIAZO : CLEAR SOLUTION
F.C. ACID 4,4-DIAMINO DIPHENYL -2- SULPH ACID 119-70-0 279 BLUISH GREY COLORED DRY MATERIAL 92 % MIN BY N.V. 0.10 % MAX HPLC – 96 % MIN
BDSA BENZIDINE-2,2-DISULFONIC ACID 117-61-3 344 PALE YELLOW TO OFF WHITE MOIST CRYSTALLINE POWDER 75 % MIN 0.30 % MAX
METANILIC ACID 1-AMINO-3-BENZENE SULPHONIC ACID 121-47-1 173 WHITE TO OFF WHITE DRY POWDER 98 % MIN 0.20 % MAX
4-CHLORO METANILIC ACID 3-AMINO 6-CHLORO BENZENE SULFONIC ACID 88-43-7 207.5 OFF WHITE TO PINKISH WHITE 80 % MIN MOIST & 98 % MIN DRY POWDER 0.20 % MAX
6-CHLORO METANILIC ACID 3-AMINO 6-CHLORO BENZENE SULFONIC ACID  98-36-2 207.5 DULL WHITE COLOR TO PINKISH WHITE 80 % MIN MOIST & 98 % MIN DRY POWDER 0.20 % MAX
RESIST SALT SODIUM 3-NITROBENZENESULPHONATE 127-68-4 225.2 WHITE TO OFF WHITE FREE FLOWING GRANULES 96 % MIN 0.10 % MAX
MUA META UREIDO ANILINE 59690-88-9 151 OFF WHITE COLOUE WET CAKE 65 % MIN BY N.V. 0.20 % MAX
MPDSA META PHENYLENE DIAMINE-4-SULPHONIC ACID 88-63-1 188 LIGHT GREY WHITE POWDER 98 % MIN 0.20 % MAX
MPDDSA M-PHENYLENE DIAMINE-4,6-DISULPHONAMIDE 137-50-8 268 GREY CRYSTALLINE POWDER 80 % MIN BY N.V. DRY & 65 % MIN WET
ACETYL MPDSA 3 AMINO ACETANILIDE 4 SULFONIC ACID 88-64-2 230.24 LIGHT GREY BEAIGE POWDER 90 % MIN BY N.V. 0.20 % MAX
GAMMA ACID AMINO 8 NAPTHOL 6 SULFONIC ACID 90-51-7 239 LIGHT GREY DRY POWDER 90 % MIN BY C.V. 0.20 % MAX
N-METHYL GAMMA ACID 1-NAPHTHOL 3- SULPHONIC ACID 7-METHYL AMINO 6259-53-6 253.3 LIGHT BROWN TO GREY DRY MATERIAL 75 % MIN BY C.V. 0.20 % MAX
MSPG M-SULFHO PHENYL GAMMA ACID 25251-42-7 395.41 OFF WHITE TO GREY POWDER 80 % MIN BY N.V. 0.50 % MAX
J ACID 6-AMINO-1-NAPHTHOL-3-SULPHONIC ACID 87-02-5 239 LIGHT GREY TO GREY CRYSTALS 90 % MIN 0.20 % MAX
N-PHENYL J-ACID N-PHENYL J-ACID 119-40-4 315 GREENISH GREY POWDER 90 % MIN BY C.V. 0.50 % MAX
NMJ N-METHYL J-ACID 22346-43-6 253 BROWN POWDER 90 % MIN BY C.V. 0.20 % MAX
DI J ACID RHODULINE ACID 87-03-6 461.46 GREENISH GREY POWDER 65 % MIN BY C.V. 0.50 % MAX
VS PARA ESTER VINYL SULFONE PARA BASE ESTER 2494-89-5 281 OFF WHITE COLOR POWDER 94 % MIN BY N.V. 0.20 % MAX
SULPHO VS SULPHONATED VINYL SULPHONE PARA BASE 42986-22-1 361.37 LIGHT BROWN COLOR MOIST CAKE 67 % MIN BY N.V. 0.50 % MAX
OAVS VINYL SULPHONE ESTER ORTHO ANISIDINE BASE 10079-20-6 311 GREYISH TO PINKISH POWDER 92 % MIN BY N.V. 1.00 % MAX 90 % MIN BY HPLC
PCVS PARA CRESEDINE VINYL SULPHONE 21635-69-8 325 WHITE TO GRY DRY POWDER 93 % MIN BY N.V. 1.00 % MAX
2:5 DMAVS VINYL SULF ESTER 2:5 DIMETHOXY ANILINE 26672-24-2 341 WHITE TO GRY DRY POWDER 94 % MIN BY N.V. 1.00 % MAX
V. S. PYRAZOLONE OXYETHYL SULFONE PYRAZOLONE 21951-34-8 362 WHITE DRY POWDER 98 % MIN BY N.V. 1.00 % MAX
K ACID 2- NAPTHYLAMINE 3,6,8-TRISULPHONIC ACID 118-03-6 383 LIGHT YELLOWISH POWDER 65 % MIN BY N.V. 0.20 % MAX
EK ACID EUROPEAN K. ACID 130-23-4 341 OFF WHITE COLORED POWDER 75 % MIN 0.20 % MAX 97 % MIN BY HPLC
1,4-SPCP 1,4-SULPHOPHENYL 3 CARBOXY 5 PYRAZOLONE 118-47-8 284.25 WHITE TO PALE YELLOW POWDER 90 % MIN BY N.V. 0.20 % MAX
1,4-SPMP 1,4-SULPHOPHENYL 3 METHYL-5-PYRAZOLONE 89-36-1 254.3 OFF WHITE TO CREAM COLOR WET POWDER 70 % MIN 0.20 % MAX 99 % MIN BY HPLC
2,5-DCSPMP 1-(2:5 DICHLORO-4-SULPHOPHENYL)-3-CARBOXY-5-PYRAZOLONE 84-57-1 323.2 LIGHT CREAMISH POWDER 80 % MIN BY N.V. 0.20 % MAX
PNA PARA NITRO ANILINE 100-01-6 138 GREENISH BROWN CRYSTALLINE POWDER 90 % MIN BY N.V. 0.30 % MAX 99 % MIN BY HPLC
2,5-DCPNA 2,5-DICHLORO PARA NITRO ANILINE 6627-34-5 207.1
OCPNA ORTHO CHLORO PARA NITRO ANILINE 121-87-9 172.57 YELLOW CRYSTALLINE POWDER 99 % MIN 0.20 % MAX
2,6-DBPNA 2,6-DIBROMO-4-NITROANILINE 827-94-1 259.92 SLIGHT PALE YELLOW CRYSTAL POWDER 97 % MIN 0.20 % MAX
2,6-DCPNA 2,6-DICHLORO PARA NITRO ANILINE 99-30-9 207 YELLOW POWDER 97 % MIN
2-CAP 2-CHLORO-4-AMINO PHENOL 3964-52-1 143.57 OFF WHITE CRYSTALLINE POWDER 98 % MIN BY HPLC
4-CAP 4-CHLORO-2-AMINO PHENOL 95-85-2 143.57 GREY TO BEIGE TO BROWN CRYSTALLINE POWDER 98 % MIN
4-NAP 4-NITRO-2-AMINO PHENOL 99-57-0 154.13 YELLOWISH GREEN COLOURED MOIST POWDER 60 % MIN 0.5 % MAX 98 % MIN BY HPLC
5-NAP 5-NITRO-2-AMINO PHENOL 121-88-0 154.13999999999999 BROWN DRY CRYSTALLINE POWDER 98 % MIN 0.20 % MAX
BLUE B BASE ORTHO DI ANISIDINE BASE 119-90-4 244.32 PINK COLOR POWDER 95 % MIN 98 % MIN BY HPLC
CHROMOTROPIC ACID 4,5 – DIHYDROXYNAPHTHALENE-2,7 DISULFONIC ACID 3888-44-6 342.28 LIGHT GREY TO BROWN POWDER 92 % MIN 0.20 % MAX 99 % MIN BY HPLC
OAPSAMIDE 2-AMINO PHENOL-4-SULPHONAMIDE 98-32-8 188 OFF GRAY COLOUR CRYSTALLINE POWDER 98 % MIN BY N.V. 0.20 % MAX
ANTHRANILIC OPSAMIDE 2-AMINOPHENOL-4-(2-CARBOXY)SULFONANILIDE 91-35-0 308.3 BEIGE TO LIGHT BROWN POWDER 98 % MIN 0.20 % MAX
METHYL OPSAMIDE 2-AMINO PHENOL-N-METHYL-4-SULPHONAMIDE 80-23-9 202.23 0.15 % MAX 98 % MIN BY HPLC
ANTHRANILIC ACID – 99% 2-AMINOBENZOIC ACID 118-92-3 137.1 OFF WHITE WET POWDER 98 % MIN BY N.V.
4-SAA 4-SULPHO ANTHRANILIC ACID 98-43-1 217 CREAM BROWN COLORED POWDER 65 % MIN BY N.V. 0.20 % MAX 90 % MIN BY HPLC
5-SAA 5-SULPHO ANTHRANILIC ACID 3577-63-7 217 LIGHT YELLOW POWDER 85 TO 90 % BY N.V. 0.5 % MAX
HYDRAZONE OF 4-SAA HYDRAZONE OF 4-SULFO ANTHRANILIC ACID 118969-69-2 320
HYDRAZONE OF 5-SAA HYDRAZONE OF 5-SULFO ANTHRANILIC ACID 68645-45-4 320 WET CAKE 65 % MIN 0.20 % MAX
COPPER FORMAZONE BLUE OF 4-SAA COPPER FORMAZONE BLUE OF 4-SULFO ANTHRANILIC ACID 77840-01-8 641 WET CAKE POWDER 60 % MIN BY N.V.
ACDMA 5-AMINO-2-CHLORO-N-(2,4-DIMETHYLPHENYL)-BENZENESULFONAMIDE 71215-81-1 310.5 GREY TO WHITE POWDER 95 % MIN BY N.V.
PAABSA P-AMINO AZO BENZENE-4-SULPHONIC ACID 104-23-4 277 LIGHT ORANGE COLOUR POWDER 95 % MIN 0.20 % MAX
G SALT 2-NAPHTHOL 6,8-DISULPHONIC ACID 842-18-2 343 OFF WHITE MOIST POWDER 78 % MIN 0.20 % MAX
R – SALT 2-NAPTHOL-3,6-DISULPHONIC ACID 135-51-3 348 CREAMISH WHITE COLOUR POWDER 60 % MIN 0.20 % MAX
VIOLET ACID 1-NAPTHOL-3,6-DISULPHONIC ACID 578-85-8 304 LIGHT PINK POWDER 55 % MIN BY C.V. 0.25 % MAX
PERI ACID 8-AMINO-1-NAPHTHALENE SULFONIC ACID 82-75-7 223.25 DARK GREEN TO DARK BROWN TO BLACK 75 % MIN 97 % MIN BY HPLC
PHENYL PERI ACID 1-PHENYLAMINO-8- NAPTHALENE SULFONIC ACID 82-76-8 299.33999999999997 DARK GREY POWDER 70 % MIN
A24DSA ANILINE-2,4-DISULPHONIC ACID 137-51-9 253.25 WHITE COLORED MOIST CRYSTALLINE POWDER 75 % MIN
ADSA ANILINE-2,5-DISULPHONIC ACID 98-44-2 253 WHITE COLORED POWDER 80 % MIN 0.15 % MAX
PAA PARA-AMINO ACETANILIDE 122- 80-5 150 PINKISH WHITE CRYSTALLINE POWDER
PAA3SA P-AMINO ACETANILIDE-3-SULFONIC ACID 96-78-6 230 PINKISH WHITE TO PINKISH VIOLET MOIST : 70 % MIN & DRY-85 % MIN
PAAB34DSA PARA AMINO AZO BENZENE 3,4 -DISULPHONIC ACID 101-50-8 357
MAA META-AMINO ACETANILIDE 102-28-3 150
MAP 3-AMINO PHENOL 591-27-5 109 OFF WHITE COLORED POWDER 90 % MIN 99 % MIN BY HPLC
2,5-DATS 2,5-DIAMINO TOLUENE SULPHATE 615-50-9 220.24 OFF WHITE TO PINKISH WHITE DRY POWDER 98 % MIN BY ASSAY 0.20 % MAX
2-CHLORO PPD SULPHATE 2-CHLORO P-PHENYLENEDIAMINE SULPHATE 6219-71-2 240.5 WHITE TO PINKISH WHITE POWDER 98 % MIN
2-NITRO-PPD 2-NITRO PARA PHENYLENE DIAMINE 5307-14-2 153.13999999999999 DARK GREEN POWDER 98 % MIN BY GC
PPD P-PHENYLENE DIAMINE 106-50-3 108.14 WHITE- PINKISH GREY POWDER 99 % MIN BY N.V.
2,5-DMPPD 2,5-DIMETHYL-P-PHENYLENEDIAMINE 6393-01-7 136.19999999999999
PPD25DSA P-PHENYLENE DIAMINE-2,5-DISULFONIC ACID 7139-89-1 268 GREY TO LIGHT GREY POWDER 85 % MIN
PPDOSA P-PHENEYLENE DIAMINE-2-SULFONIC ACID 88-45-9 188 OFF WHITE TO LIGHT VIOLET POWDER 98 % MIN
2,4-DNCB 2,4- DINITRO CHLORO BENZENE 97-00-7 202.5 YELLOW COLOR FLAKES 98 % MIN BY GC 0.20 % MAX
2,5-DCNB 2,5-DICHLORO NITRO BENZENE 89-61-2 192 YELLOW POWDER 98 % MIN BY GC
1,6-CLEVE’S ACID 5-AMINO-2-NAPHTHALENE SULFONIC ACID 119-79-9 223.25 GREY RED POWDER 98 % MIN 0.30 % MAX
1,7-CLEVE’S ACID 8-AMINO-2-NAPHTHALENE SULFONIC ACID 119-28-8 223.25 85 % MIN BY N.V.
MIXED CLEVE’S ACID 1 NAPHTHALAMINE 6,7-SULPHONIC ACID 51548-48-2 223.2 GREYISH POWDER 93 % MIN 0.20 % MAX
4-NAPSA 4-NITRO-2-AMINO PHENOL-6-SULFONIC ACID 96-67-3 234.2 BROWN POWDER 83 % MIN BY N.V.
6-NAPSA 6-NITRO-2-AMINO PHENOL-4-SULFONIC ACID 96-93-5 234 GREEN TO PALE YELLOW POWDER 75 % MIN BY ASSAY
4-ADAPSA 4-AMINO DIPHENYLAMINE-2-SULFONIC ACID 91-30-5 264 GREY TO LIGHT GREY POWDER 90 % MIN
4-NADPSA 4-NITRO-4-AMINO DIPHENYLAMINE 2-SULPHONIC ACID 91-29-2 309 REDDISH BROWN TO GREENISH BROWN 88 % MIN
4-CAPSA 4-CHLORO-2-AMINO PHENOL-6-SULPHONIC ACID 88-23-3 223.5 LIGHT BROWN MOIST POWDER 65 % MIN BY N.V. 0.10 % MAX 98 % MIN BY HPLC
6-CAPSA 6-CHLORO-2-AMINO PHENOL-4-SULPHONIC ACID 5857-94-3 223.5
SULPHANILIC ACID SULPHANILIC ACID (TECHNICAL/PURIFIED) 121-57-3 173.2 WHITE CRYSTALLINE POWDER 99 % MIN 0.20 % MAX
2-ACETAMIDOPHENOL N-ACETYL-O-AMINO PHENOL 614-80-2 151
2-PYRIDON 3-CARBOMYL-4-METHYL-6-HYDROXY-1-ETH 29097-12-9 196.2 SLIGHT CREAMISH WHITE POWDER 98 % MIN
2,5-DCASA 2,5 DICHLORO ANILINE 4-SULPHONIC ACID 88-50-6 242 WHITE CRYSTALLINE POWDER 65 % MIN BY N.V. 0.10 % MAX 99 % MIN BY HPLC
3-AMINO BENZOYL H-ACID META-AMINO BENZOYL H-ACID 423 GREYISH POWDER 65 % MIN BY C.V. 0.20 % MAX
3-AMINO BENZOYL K-ACID META AMINO BENZOYL K ACID 70239-77-9 438 GREENISH GREY POWDER 70 % MIN BY N.V. 0.20 % MAX
3,5-DCA 3,5-DICHLORO ANILINE 626-43-7
4-CHLORO MPD 4-CHLORO META PHENYLENE DIAMINE 5131-60-2 142.59 GREY OR DARK PURPLE POWDER
4-HMQ 4-HYDROXY N-METHYL-2-QUINOLONE 1677-46-9 175.18
4-NITRO-MPD 4-NITRO-1,3-PHENYLENE DIAMINE 5131-58-8 153.13999999999999
4-NITRO-OPD 4-NITRO-1,2-PHENYLENE DIAMINE 99-56-9
4,6-DCAP 4,6-DICHLORO-2-AMINO PHENOL 527-62-8
6-Acetyl OAPSA 6-ACETYLAMINE-2-AMINO PHENOL-4-SULFONIC ACID 40306-75-0 246 LIGHT ORANGE MOIST POWDER 85 % MIN GBY N.V. 0.15 % MAX
6-CHLORO 4NAP 6-CHLORO-4-NITRO-2-AMINO PHENOL 6358-09-04 188.57 YELLOW GREEN MOIST POWDER 98 % MIN BY GC
6-NITRO 4CAP 6-NITRO-4-CHLORO-2-AMINO PHENOL 6358-08-3 188.57 YELLOW TO ORANGE TO RED TO BROEN CRYSTAL OR POWDER 98 % MIN BY HPLC
6-NITRO BENZOXAZOLONE 6-NITRO BENZOXAZOLONE 4694-91-1 180
ACETYL BROENERS ACID 6-ACETAMIDO-2-NAPHTHALENE SULFONIC ACID 68189-32-2 265 PINKISH BROWN DRY POWDER 75 % MIN BY ASSAY 0.20 % MAX
ACETYL DASA
ACETYL F.C. ACID
ACETYL GAMMA ACID 2-ACETAMIDO-8-NAPHTHOL-6-SUFONIC ACID 6361-41-7 281 GREENISH BROWN POWDER 65 % MIN BY ASSAY
ACETYL H-ACID 1-ACETYLAMINO-2-NAPHTHOL-3-6 DISULPHONIC ACID 16698-16-1
ACETYL J-ACID 2-ACETAMIDO-5-HYDROXY-7-NAPHTHALENE SULFONIC ACID 6334-97-0 281 GREY POWDER 80 % MIN BY ASSAY
ACETYL PPDSA P-AMINO ACETANILIDE-2-SULFONIC ACID 6973-05-3 230 OFF WHITE TO PINKISH WHITE 80 % MIN MOIST & 90 % MIN DRY
AMIDO EPSILON ACID 1,6-NAPHTHALENE DISULFONICACID, 8-AMINO-,SODIUM SALT (1:1) 74543-22-9 303 75 % MIN PURITY 0.20 % MAX 96 % MIN BY HPLC
AMIDO G ACID 2-NAPHTHYLAMINE 6,8-DISULFONIC ACID 86-65-7 303.32
ARMSTRONG ACID NAPTHALENE-1,5-DISULPHONIC ACID 81-04-9 288 OFF WHITE MOIST POWDER 85%
BENZOXAZOLONE 2-BENZOXAZOLINONE 59-49-4
BENZOYL H-ACID 4-BENZAMIDO-5-HYDROXY-2,7-NAPHTHALENE DISULPHONIC ACID 117-46-4 423 OFF WHITE MOIST POWDER 60 % MIN BY N.V.
BENZOYL J ACID 2-BENZOYLAMINO – 5-NAPTHOL 7-SULPHONIC ACID 132-87-6
BENZOYL MPDSA
CHICAGO ACID 8-AMINO-1-NAPHTHOL-5,7-DISULFONIC ACID 82-47-3
CHLORANIL CHLORANIL 118-75-2 246 GOLDEN YELLOW COLOR CRYSTALLINE POWDER 99 % MIN BY HPLC/GC
DABA 4,4-DIAMINO BENZANILIDE 785-30-8 227.27 OFF WHITE TO GREY BEIGE POWDER
DICHLONE 2,3′ – DICHLORO-1,4′ – NAPHTHAQUINONE 117-80-6 227.05 LIGHT GOLDEN YELLOW CRYSTALLINE POWDER 98.50 % MIN BY HPLC
DNSDA 4,4 DINITRO STILBENE -2,2-DISULPHONIC ACID 128-42-7
DTPTSA DEHYDROTHIO-P-TOLUIDINE SULFONIC ACID 130-17-6 320 YELLOW PRESS CAKE 77 % MIN BY N.V.
EPSILON ACID 1 NAPTHOL-3,8′-DISULPHONIC ACID 117-43-1 304 LIGHT GREY TO PNK POWDER 50 % MIN BY C.V. 0.20 % MAX
HYDRAZO BENZENE 1,2-DIPHENYLHYDRAZINE 122-66-7
LAURENT ACID 1-NAPHTHYLAMINE-5-SULFONIC ACID 84-89-9 223.2 GREYISH DRY POWDER 85 % MIN BY N.V.
MAAMSA METHOXY AMINO AZO BENZENE M-SULFONIC ACID 138-28-3
META CHLORO ANILINE 1-AMINO-3-CHLORO BENZENE 108-42-9 127.57 LIGHT YELLOW LIQUID 99.50 % MIN
META TOLUIDINE META TOLUIDINE 59690-88-9 107 AMBER COLOR LIQUID 99.50%
MXOS META XYLIDINE ORTHO SULFONIC ACID 88-22-2 201 WHITE TO LIGHT YELLOW POWDER 97 % MIN BY N.V.
NAPTHOL AS-G NAPTHOL AS-G (99% MINIMUM) 91-96-3
NASDA 4-NITRO-4-AMINOSTILBENE-2,2-DISULFONIC ACID 119-72-2
O-ADPS 2-AMINO DIPHENYL SULPHONE 4273-98-7
O-APMS 2-AMINO PHENOL-4-METHYL SULPHONE 98-30-6
O-DCB O-DICHLORO BENZENE 95-50-1 CLEAR COLORLESS LIQUID 99.50%
O-NASA 2-NAPHTHYLAMINE-6-SULPHO METHYL AMIDE 104295-55-8 236.29 WHITE TO YELLOW CRYSTAL POWDER 85 % MIN BY N.V.
OACMS 2-AMINO-N-CYCLOHEXYL-N-METHYL-BENZENE SULFONAMIDE 70693-59-3 268.39999999999998 90 % MIN BY N.V. 98 % MIN BY HPLC
OAPSA 2-AMINO PHENOL-4-SULPHONIC ACID 98-73-3
OCPNA ORTHO CHLORO PARA NITRO ANILINE 121-87-9 172.57 YELLOW CRYSTALLINE POWDER 99 % MIN
OD-DIHCL O-DIANISIDINE DIHYDROCHLORIDE 20325-40-0 244 WHITE COLOR POWDER 70.00%
ONA O-NITRO ANILINE 88-74-4
ONAPSA 2 – NITRO ANILINE 4- SULPHONIC ACID 616-84-2 218 YELLOWISH ORANGE COLOR POWDER 89.00% 0.20 % MAX
ONCBSA ORTHO NITRO CHLORO BENZENE-4-SULPHONIC ACID 121-18-6 237.6
ONTSA O-NITRO TOLUENE-4-SULFONIC ACID 97-06-3 65 % MIN BY ASSAY
OPDA ORTHO PHENYLENE DIAMINE 95-54-5
OT BASE ORTHO TOLIDINE BASE 119-93-7 212 WHITE TO BEIGE POWDER 94 % MIN BY N.V. 0.25 % MAX
OTDH ORTHO TOLIDINE DIHYDROCHLORIDE 612-82-8
OTPSA O-TOLUIDINE-P-SULPHONIC ACID 98-33-9 187 PINKISH WHITE POWDER 99.50%
PCPGA P-CARBOXY PHENYL GAMMA ACID 5855-84-5 216.28 WHITE CRYSTALLINE POWDER 99% ASSAY
PMDA PYROMELLITIC DIANHYDRIDE 89-32-7 218.12 WHITE CRYSTALLINE POWDER 99.5 % MIN
PMPA 4-METHOXY PHENYL ACETONE 122-84-9 164.2 COLORLESS TO PALE YELLOW LIQUID 99 % MIN BY GC
PMPAN 4-METHOXY PHENYL ACETONITRILE 104-47-2
PNAOSA P-NITRO ANILINE-2-SULPHONIC ACID 30693-53-9 218 YELLOW TO REDDISH TELLOW POWDER 75 % MIN BY N.V.
PNCBOSA PARA NITRO CHLORO BENZENE-2-SULPHONIC ACID 96-73-1 237.5 LIGHT BROWN TO PINKISH BROWN POWDER 75% MIN WET & 85 % MIN DRY
PNTOSA PARA NITRO TOLUENE ORTHO SULPHONIC ACID 121-03-9 217 LIGHT BROWN TO OFF WHITE POWDER 80 % MIN
PTOSA P-TOLUIDINE-O-SULFONIC ACID 118-88-7 187 OFF WHITE TO CREAMISH COLOR POWDER 98 % MIN
SCHAEFFER’S ACID 2-NAPTHOL-6-SULFONIC ACID 93-01-6 224 Off White to Brown Wet : 65% Min
STA SULPHO TOBIAS ACID (ELECTRONIC GRADE) 117-62-4
STA SULPHO TOBIAS ACID 117-62-4 303 OFF WHITE POWDER 65 % MIN
SULFANILAMIDE 4-AMINO BENZENE SULPHONAMIDE 63-74-1
SULPHO C ACID 2-AMINO-4,6,8-NAPHTHALENE TRI-SULFONIC ACID 27310-25-4