dyestuff intermediates/1-Naphthylamine-4-sulfonic acid sodium salt( Sodium Naphthionate 74% min)

Specifications 1)-Naphthylamine-4-Sulfonate

1>Total amino:75.0%min

2> 1-naphthly-amine: 0.02% max

3> water insoluble matter: 0.1% max

  We are Dyes manufacture, We produce the Sodium Naphthionate ,and then use it to produce dyes such as Acid red A/B,acid red 3R,direcr red G,Direct red 4BE(Congo red),direct red GB,direct red B,direct green 2GN   Sodium Naphthionate 4-Amino-1-naphthalenesulfonic acid CAS 130-13-2 %74 min
1, Best quality & competitive price
2, ISO 9001-2008 cerificate manufacture
3, We are the dyes manufacture   

4-Amino-1-naphthalenesulfonic acid

Synonyms Sodium Naphthionate Molecular weight 245.23 Molecular Formula C10H8O3NSNa Descriptions 1-Amino-4-naphthalene sulfonic acid sodium salt is a greyish-white crystal.The sodium salt of industrial products contains two or four crystal water. It changes slowly into a rose colour in air.It is easily soluble in water and soluble in 95% of alcohol.Its chief use is employed in organic pigments or the sythesis of intermediates of azo-dyes. Specification Index High grade 1st grade Appearance Grayish white crystal Purity %min. 75 74 1-Naphthylamine%max. 0.02 0.02 Water insolubles %max. 0.1 0.2 Packing extra grade Specification In plastic woven bag of 50kgs nett or 25kgs nett each with plastic lining Notes Put in dark,cold and air through place to prevent sun light.   Send your message to this supplier * From: * To: Ms. HELEN CUI * Messages: Enter between 20 to 4,000 characters. Related Products Pigment Iron Oxide Blue for Concrete/Brick/Paver Pigment Iron Oxide Black for Concrete/Bricks/Pavers/Fertilizer Pigment Iron Oxide Blue/Fertilizer Pigment Pigment Iron Oxide Yellow Related Keywords Related Keywords dyestuff intermediates/sodium naphthionate 74% min , 1-naphthylamine-4-sulfonic acid sodium salt , polycarboxylic acid sodium salt dyestuff intermediates/sodium naphthionate 74% min , 1-naphthylamine-4-sulfonic acid sodium salt , polycarboxylic acid sodium salt You May Also Like You May Also Like Pigment Iron Oxide Blue for Concrete/Brick/Paver Pigment Iron Oxide Black for Concrete/Bricks/Pavers/Fertilizer Pigment Iron Oxide Blue/Fertilizer Pigment Pigment Iron Oxide Yellow Iron Oxide Yellow for Concrete Related Products Na2SO4/Sodium Sulphate Anhydrous-manufacturer Sodium Sulphate Anhydrous with competitive price Good quality Sodium Sulfate textile dyeing with competitive price Dyestuff intermediates /Aniline-2-sulfonic acid (Orthanilic acid) 1-Naphthylamine-4-sulfonic acid sodium salt( Sodium Naphthionate 74% min) Product Categories Dye intermediates(6) Ungrouped(32) Acid Dyestuffs(29) Basic Dyestuffs(30) Direct Dyestuffs(31) Sulphur Dyestuffs(32) Dyes&Usage(118) Ink dyes(10) Leather dyes(31) Textile dyes(29) wood dyes(14) Paper dyes(32) Other(2) Liquid dyestuffs(24) Other dyestuffs(29)