High Quality Naphthalene series intermediates Productos intermedios de la serie del naftaleno

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Product name CAS number Quality Application
Tobias acid 81-16-3 Purity: 98.0% Used as azo dyes and azo pigment intermediates for the manufacture of J acid and γ acid, 3-hydroxy-N-2-naphthyl-2-naphthamide, reactive red K-1613 and other dyes. It is an intermediate of azo dyes and azo pigments which used to manufacture J acid and γ acid, 3-hydroxy-N-2-naphthyl-2-naphthamide, reactive red K-1613 and other dyes, as well as organic violet red, Pigment Red 63:1
Sulpho tobias acid 117-62-4 Purity: 98% Used as dyes intermediates
1,2-Naphthoxydiazo-4-sulfonic acid 887-76-3 Purity: 97% Used as acid dyes, intermediates of mordant dyes dye intermediate.Also used in the synthesis of acid mordant dyes, azo dyes, dichromium dyes and nitro diazo.
6-Nitro-1-diazo-2-naphthol-4-sulfonic acid 63589-25-3 Purity: 95% Dye intermediate. Used in the production of Eriochrome Black T, Erio chromeblack A
1-Acetamido-7-hydroxynaphthalene 6470-18-4 Purity: 98% Used as the intermediate of the coupling component of neutral dyestuff gray, brown, black, khaki, etc. The product is the intermediate of the coupling combination of neutral dyestuff gray brown, black, etc.
4-Amino-1-naphthalenesulfonicAcid Sodium Salt 130-13-2 Purity: 99% Used in the preparation of acid, direct dyes and edible red pigments, also used as an antidote for nitrite and iodine poisoning.
2-Amino-5-hydroxynaphthalene-1,7-disulfonic acid 6535-70-2 Purity: 99% Used as dyestuff intermediates
N-Phenyl J acid 119-40-4 Purity: 95% Used as intermediate of C.I.direct blue RGL.The product is a dye intermediate, used in the synthesis of azo dyes direct copper salt green BTL, copper salt blue FBGL and copper salt violet BBL, etc.
4-Hydroxy-7-methylamino-2-naphthalenesulfonic acid 22346-43-6 Purity: 95% Used as dye intermediates to prepare direct dyes, mordant dyes and acid dyes
4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid 134-47-4 Purity: 98% Intermediates for azo dyes, used in the manufacture of direct orange S, direct red 23, etc.
6-Amino-2-naphthalenesulfonic acid 27771-61-5 Purity: 99.14% Used in the manufacture of acid, direct and mordant azo dyes, etc.
4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid 90-20-0 Purity:95% Pure product is colorless crystalline, slightly soluble in cold water; soluble in alkaline solutions such as soda ash and caustic soda. It is brownish-red color by interaction with ferric chloride solution. Acid salts have a slightly bluish red fluorescence and turn reddish purple when alkali is added It is an important intermediate in the manufacture of azo dyes.
6-Amino-2-naphthalenesulfonic acid 93-00-5 Purity: 98.0% Used in the manufacture of acid, direct and mordant azo dyes, etc.
2-Amino-8-naphthol-6-sulfonic acid 90-51-7 Purity: 97.0% Mainly used as intermediates of azo dyes.Also used in the manufacture of reactive and direct dyes;intermediates of reactive and direct dyes. Used for direct diazo black BH, direct dark brown M, direct bordeaux GB, direct red F, direct gray D, direct N and LBN, etc.
Eurpean K acid 40130-23-4
3-hydroxy-3'-nitro-2-naphthanilide 135-65-9 Purity: 98% Naphthol AS-BS is mainly used for cotton dyeing red primer, and it can be used with scarlet base R to get rose red, and with scarlet base R to get gorgeous peach red with blue light. It can also be mixed with Naphthol AS or Naphthol AS-OL as a primer, and then with Scarlet Base G, to get a very red red color. It can also be used for dyeing vinylon, viscose fiber, silk and to make fast pigment and neutral pigment. Mainly used as a primer for dyeing and printing of cotton fabrics, and is generally used with color phenol AS to show big red, rose red and other colors which can be used as intermediates of fast pigments and organic pigments. The organic pigment Red 13 can be made from the raw material of Naphthol AS-BS. This type is manily used as primer for printing and dyeing of cotton fabrics, and make fast pigment
1-Aminonaphthalene-6-sulfonic acid 119-79-9 Purity: 98% It is used to prepare azo dyes and sulfide dyes, such as direct blue BGL, Sulphur Blue CV, etc. It is an intermediate of azo dyes and sulfide dyes.
1-Naphthylamine-7-sulfonic acid|1-Amino-7-naphthalenesulfonic acid 119-28-8 Purity: 97.0% It is mainly used in the preparation of direct blue B2R, BGL, gray LBN, brown RTL, direct black FF and sulphide salt CD, etc. It is a dye intermediate used in the manufacture of direct blue B2RL, direct red brown RTL, sulphide blue CV and other dyes.
8-aminonaphthalene-1-sulphonic acid 82-75-7 98% Used in the manufacture of reductive and reactive dyes, and for the synthesis of phenyl and tolyl peridothenic acids. Reactive orange 35 reactive brown 23 sulfur green 10 acid black 35
1-Aminonaphtalene-5-sulfonic acid 84-89-9 90% Used in the preparation of acid dyes and reactive dyes, but also the intermediates for the production of 1-Aminonaphtalene-5-sulfonic acid. Mordant brown 1, acid black 21, acid red 141/353 acid brown 438 direct black 131 direct red 54 direct brown 26
1-Naphthol-4-sulfonic acid 84-87-7 ≥70% Drycargo Used for making azo dyes. reactive red 49 mordant black 5 mordant red 8 mordant blue 79
Mordant Violet 2,4/40/44/46 Mordant Brown 35 Food Red 1/13/3 Acid Orange
159/19 Acid red 102/116/122/135/14/145/148/374/4/6/4
Direct black 40 direct red 10/45/57/69 direct blue 123/151/168 direct violet
92.5% Wetcargo Used for making azo dyes.
Dipotassium 7-hydroxynaphthalene-1,3-disulphonate 842-18-2 ≥75% Used as intermediate of acid dyes, can make food-coloring
7-aminonaphthalene-1,3,6-trisulphonic acid 118-03-6 70% Used in the manufacture of azo dyes and 2R acid. Reactive orange 91 Reactive red 118 Reactive yellow 145, 174, 176, 57;Reactive green 8
Disodium 2-naphthol-3,6-disulfonate 135-51-3 ≥98% Used in the production of food-coloring, azo dyes, photosensitive copy paper
Phthalic anhydride  85-44-9 99.50% Used as analytical reagent, also used in organic synthesis.Can synthesize acid yellow 2, acid yellow 3, acid yellow 5, acid yellow 73, acid yellow 74, acid orange 11, acid red 51, solvent yellow 114, solvent orange 60, solvent red 109, etc.
2-Naphthol 135-19-3 Purity98.5 Used in the production of Tobias acid, J acid, 2.3-acid, and used in the production of Phenylnaphthylamine, Diafen NN and antioxidant, organic pigments and fungicides
N-Phenyl-8-naphthylamine-1-sulfonic acid  82-76-8 70% content Its sodium salt is light green to gray needle or flake crystals, used as intermediates of acid dyes, acid black B--> acid blue 113--> green sulfide 3-> acid navy blue R--> green sulfide 3-> Roxal solid blue ARN,C26H16N3Na3O10S3--> acid blue 113--> weak acid dark blue G--> acid black B
5-amino-2-naphthalenesulfonic acid 119-79-9 51548-48-2 60%-65% For the preparation of azo dyes and sulfide dyes, such as direct blue BGL, sulfide blue CV, etc. Reactive brown 1/2/35/45 medium black 50/medium brown 36/51/90/acid orange 51/acid black 36/acid blue 108/352/acid brown 105/146/453/direct black 1/101/141/197/2/56/74/78/80/87/9/direct red 84/direct blue 110/120/121/123/126/127/133/135/138/157/176, etc.
3-aminonaphthalene-1,5-disulphonic acid 131-27-1 57%-65%   (Wetcargo) This product is a dye intermediate, used in the synthesis of reactive and direct dyes, such as reactive yellow, reactive golden yellow, reactive brown and direct blue B1BL, etc.
55%-60% Reactive yellow 3, 4/reactive brown 46/medium yellow 44/medium violet 63/acid orange 128/direct black 103, 74, 75, 76/direct red 130/150/direct yellow 138/162/34/50/51/direct violet 35, etc.
2-Amino-5-naphthol-7-sulfonic Acid 87-02-5 90% Gray powder, acid violet R, direct blue FRL, direct gray 2BL, direct copper salt blue 2R, direct acid-resistant violet, direct peach red, direct copper-dyed navy blue, blue B2R, direct bordeaux GB, and  reactive red , orange, brilliant orange X-GN, gray, grass green, red brown and other dyes. It is also used to prepare double J acid, 4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid and
7-Anilino-4-hydroxy-2-naphthalenesulfonic acid, etc.
2-Amino-1,5-naphthalenedisulfonic acid 117-62-4 Conten more than 65
Purity more than 97
Light off-white powder, reactive dyes
monosodium salt monohydrate,H Acid 5460-09-3 85% Mainly used in the production of acid, direct and reactive dyes

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