Product Description
Name:Basic orange；Chrysoidine crystals；C.I. Basic orange 2；4-(phenylazo)-m-phenylenediamin hydrochloride；3-benzenediamine, 4-(phenylazo)- monohydrochloride；2, 4-diaminoazobenzene hydrochlorid；4-(phenylazo)-1, 3-benzenediamine, monohydrochloride；4-(phenylazo)-m-phenylenediamine, monohydrochloride；4-phenylazo-m-phenylenediamine hydrochloride、astra chrysoidine r；brasilazina orange y；brilliant oil orange y base;
Chemical formula:C12H13ClN4;C13H15ClN4;
Molecular weight:248.72;
CAS:532-82-1;4438-16-8;
EINECS:208-545-8;224-654-3;
Melting point:118～118.5;
Solubility: dissolved in water with yellow orange, soluble in ethanol and soluble fibrinolytic, slightly soluble in acetone, insoluble in benzene;
Properties: glittering brown red crystalline block or sand shape; reddish brown crystalline powder or black lumpy crystal with Green gloss. It is yellow in sulfuric acid and orange in dilution. Orange in the case of nitric acid;
Application:
Dyeing for cotton, linen, wool, acrylic, leather, pulp, tobacco, paper, feather, grass (or wood, bamboo) and silk :colour lake.
