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
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.
