Tobias acid (2-amino- tly soluble in water, good solubility in hot water. Easily soluble in alkali-creating correspondence sulfonate, then coupling to lithol scarlet with 2-naphthol.
Usage: for dyestuff intermediates, j-acid, lithol scarlet, naphthol and reactive orange38, red141, 196, 220, etc
Price on 100% induetrial basis , minimum content 97%
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: 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: 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
Supplier: Organic chemicals, dyes & pigments intermediates, beta naphthol, tobias acid, j acid, DMA, DEA, EBA, EBASA, naphthols & bases
Meta Phenylene Diamine 4 Sulfonic Acid (MPDSA) Item Index (1)Appearance Orange to Brown Powder (2)Purity 90% (3)Water 1% (4)Insolubles 0.20% (5)Sulphate Content 2500PPM (6)Ash Content 0.25 (7)PAAB3SA Content 1% (8)PAAB Content 0.1% (9)EC Number 203-187-9 Main use:Acid Yellow 6, Acid Red 151, Acid Red 7, Acid Red 142, Direct Red 152,/153/154, Direct Red 81, Direct Red 117, Direct Brown 202, Direct Orange 34, Direct Orange 37, Direct Orange 39, Mordant Orange 6, etc Packing: dry product: in 25kg woven bags or upon clients' request.
