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CAS:148-25-4
Molecular Formula:C10H8O8S2
4,5-Dihydroxynaphthalene-2,7-Disulfonic acid; 4,5-Dihydroxy-2,7-Naphthalenedisulfonic acid; Chromotropic acid;
Brief Introduction
This product is the intermediate of dye acid medium dark blue. It is used in the manufacture of azo dyes and anthraquinone dyes.
CNY 0.5 Million
Less Than 50 People
Manufacturing Manufacturing
Product Photo Specification Grade Max Capacity Certificates Package
99% Tech Grade - -
25kg / Fibre Drum
Main products:
1,8-Dihydroxynaphthylene-3,6-Disulfonic Acid /1,10-Phenanthroline Monohydrate /Bromocresol Green /4-Aminoazobenzene /2,4-Dinitrophenylhydrazine
CAS:14938-42-2
Molecular Formula:C14H6K2O8S2
Dipotassium Anthraquinone-1,8-Disulfonate; 9,10-Anthraquinone-1,8-Disulfonate Dipotassium salt; Potassium Anthraquinone-1,8-Disulfonate; Potassium 9,10-Dioxo-9,10-Dihydroanthracene-1,8-Disulfonate; Anthrachinon-1,8-Disulfonan Draselny
Brief Introduction
Used as dye intermediate
CNY 3.6 Million
21312m²
50-100 People
Manufacturing Manufacturing
Product Photo Specification Grade Max Capacity Certificates Package
≥97% Tech Grade - -
25kg / Fibre Drum
Main products:
Anthraquinone-1,8-Disulfonic Acid Dipotassium Salt /1-Chloro Anthraquinone /1,5-Dichloroanthraquinone /1,8-Dichloroanthraquinone /Anthraquinone-1-Sulphonic Acid Ammonium Salt /Anthraquinone-1-Sulphonic Acid Sodium Salt /Anthraquinone-1,5-Disulfonic Acid Disodium Salt /Anthraquinone-2-Sulfonic acid Sodium salt
CAS:30693-53-9
Molecular Formula:C6H5N2O5S.Na
4-Nitroaniline-2-Sulfonic Acid Sodium Salt; 6-Nitro Benzoxazolone; Sodium Salt of Pnaosa; 2-Amino-5-Nitrobenzenesulfonic Acid Sodium Salt; 2-Amino-5-Nitro-Benzenesulfonicacimonosodiumsalt; Sodium 4-Nitroaniline-2-Sulfonate; Sodium 2-Amino-5-Nitrobenzenesulfonate; Sodium 2-Amino-5-Nitrobenzenesulphonate
500-1000 People
Manufacturing Manufacturing
Product Photo Specification Grade Max Capacity Certificates Package
30693-53-9 - - - -
Main products:
6-Nitro-1,3-Benzoxazole
CAS:3132-99-8
Molecular Formula:C7H5BrO
3-Formylbromobenzene; M-Bromobenzaldehyde; 3-Bromobenzaldehydedisc; 3-Bromobenzal
Brief Introduction
M-bromobenzaldehyde is an intermediate in the preparation of m-phenoxybenzaldehyde, which can be used to synthesize various pyrethroids.
CNY 0.5 Million
Less Than 50 People
Manufacturer Manufacturing
Product Photo Specification Grade Max Capacity Certificates Package
≥98% - - - -
Main products:
3-Bromobenzaldehyde /4-(Trifluoromethoxy)Aniline /3-Bromoanisole /4-Fluorobenzoyl Chloride /Iodobenzene /4-Chloro-3-Nitrobenzoic Acid /4-Nitro-2-(Trifluoromethyl)Aniline /4-Aminobenzoic Acid /3-Chloro-4-Nitrotoluene /M-Xylene /3-Chloro-P-Toluidine /M-Toluic Acid /3,4-Dichlorobenzotrifluoride /2,4-Dibromoanisole /2,6-Diaminotoluene /2-Bromo-5-Nitrobenzotrifluoride /2,6-Dibromo-4-(Trifluoromethoxy)Aniline /2,4,6-Trichlorobenzonitrile /Picoxystrobin /2,3-Dichloropyridine /3-Bromoisonicotinic Acid /2,5-Dichloronitrobenzene /2,4-Dichlorophenol /2,4-Dichlorobenzoic Acid /2,6-Difluoroaniline /2,4-Dichloropyridine /2-Methoxypyridine /2,4-Dichlorobenzonitrile /1-Bromo-2,5-Dimethoxybenzene /2,5-Dichloropyridine /2,6-Dimethylaniline /Pentachloropyridine /Triphosgene /Hydrogen Bromide /Copper(I) Cyanide /2,4-二溴均三甲苯 /Bromobenzene /Cuprous Bromide /4-(Trifluoromethyl)Benzonitrile /Acetamide /1,3-Bis(Trifluoromethyl)-Benzene /2-(Trifluoromethyl)Benzoic Acid /2,4,5-Trifluorobenzotrifluoride /3-Bromophenol /Sulfur Tetrafluoride /Fluorobenzene
CAS:4053-08-1
Molecular Formula:C12H5ClO3
6-Chlorobenzo[De]Isochromene-1,3-Dione; 4-Chloronaphthalene-1,8-Dicarboxylic Anhydride; 4-Chloronaphthalene-1,8-Naphthalic Anhydride; 4-Chloro-1,8-Naphthalic Anhydride, Tech.; 1H,3H-Naphtho(1,8-Cd)Pyran-1,3-Dione,6-Chloro; 4-Chloro-1,8-Naphtalic Acid Anhydride; 4-Chloronaphthalene-1,8-Dicarboxylic Acid Anhydride; 4-Chloronaphthalic Anhydride; 6-Chloro-1H,3H-Benzo[De]Isochromene-1,3-Dione; 6-Chloronaphtho[1,8,8A-C,D]Pyran-1,3-Dione
Brief Introduction
This product is gray white powder. It is an important raw material for the synthesis of dyes, pigments and fluorescent brighteners.
CNY 45 Million
39960m²
100-500 People
Manufacturing Manufacturing
Product Photo Specification Grade Max Capacity Certificates Package
≥94.0% Tech Grade -
25kg / Woven Bag
Main products:
4-Chloro-1,8-Naphthalic Anhydride
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