Description
Name:*-Amino**-naphthol**-sulfonic
acid 
Alias: Gamma Acid;
*-amino**-naphthol**-sulfonic
acid;
*-amino**-hydroxy**-sulfonaphthalene;
*-amino**-naphthol**-sulfonic acid;
*-amino**-hydroxy**-naphthalenesulfonic acid;
*-Naphthalenesulfonicacid,*-amino**-hydroxy-;
*-amino**-hydroxy**-naphthalenesulfonicaci
CAS NO.:******7  
EINECS:********8
Molecular Formula :C*0H9O4NS
Molecular Weight :**9.*4
Physicochemical Property:
Dissolvability: soluble
in ethanol and diethyl ether, insoluble in water. At present, use G
salt (*-hydroxy*1, *-naphthalenedisulfonic acid, dipotassium salt)
as raw material, through ammonization, alkali fusion, acidification
to get.                                                                                                                                                                                                                                               
Appearance is grayish
paste or powder, γ acid content is >*5%.
Raw material
consumption quota: G salt ( **0% basis) ***0kg/t, sulfuricacid
(*9%) ***0kg/t, caustic soda ( **0% basis) ***0kg/t, sulfur
dioxid(
industrial
products)**0kg/t, ammonia(*9%)**5kg/t.
Application:
Mainly used for
Azo dye intermediates, manufacturing activity and the direct dyes.
Used in Direct diazotization black BH, Direct dark brown M, Direct
red GB, Direct red F, Direct N and Direct Grey etc.