Tobias Acid

English name: 2-naphthylamine-1-sulfonic acid Cas no:81-16-3 Molecular formular:c10h9no3s Molecular weight:239.25 Appearance: pink needle crystal Package:25kg in pp woven bag Package:25kg in pp woven bag.

Supplier: J acid, tobias acid , beta naphthol

Supplier: H acid, vinyl sulphone, k acid, mpd, beta naphthol, j acid, cyanuric chloride, tobias acid, sulpho tobias acid

Supplier: Direct dyes, acid dyes, direct liquid dyes, dyestuff intermediate, H acid, J acid, J acid urea , tobias acid, sulphur tobias acid
Services: Manufacturer
Buyer: F.C. Acid, PAABSA, metanilic acid

Supplier: Maleic anhydride, phthalic anhydride, beta naphthol, bon acid, j acid, tobias acid
Services: Manufacturer and trader

Supplier: Resist salt (meta nitrobenzene sulphonic acid sodium salt), metanilic acid, sulpho tobias acid, and other dyes intermediates
Buyer: Nitrobenzene, soda ash, tobias acid

English name:2-methyl-3-hydroxy quinoline-4-carboxylic acid Cas no:117-57-7 Molecular formular:c11h9no3 Molecular weight:203.18 Appearance: yellow powdery substance Purity content:99%min Usage: widely used in pharmacy and other organic synthesis Molecular weight:203.18 Package: woven bag with nylon film inside lining, each pack is 25kg.

Naphthol as-irg: Chemical name:4-chloro-2, 5-dimethoxy-acetoaceto anilide Cas no:4433-79-8 Molecular formular:c12h11no4cl Molecular weight:271.7 Physical properties:white crystals.Can be dissloved hot sodium hydroxide solution Appearance:white powder Purity: 99% Molecular weight:271.7 Pack:25kg/woven bag

N, n-dimethylaniline: M.P:2.5 centigrade B.P.:193.5 centigrade Molecular weight:121.18 Appearance:pale yellow-brown oily liquid Purity content:99%min Pack:190kg iron drum Packing:190 kg orin drum