1-Naphthol-4-Sulfonic Acid

we have content of 70% and 80% two grade ISO9000 the goods is with good quality and competitive price

Name of chemical: 1-Naphthol-4-Sulfonic Acid

 

Molecular formular: C10H8O4S

Specifications:

Item	High grade	Standard grade
Appearance	White to light grayish white powdery solid	White to light grayish white paste solid
Solution in water	Clear and transparent to almost clear and transparent
Solution in Hydrochloric Acid	Clear and transparent to almost clear and transparent
Content of 1-Naphthol-4-Sulfonic (by acid) %min.	80	70
Water % max.	3	3
Water insolubles %max.	0.1	0.1
1-Naphthylamine-4-Sulfonic acid (by 1-Naphthol-4-Sulfonic acid on 100% basis) %max.	0	0
SO2 %max.	0	0
Fe %max.	100mg/kg	100mg/kg

Uses:The product is sythesis of intermediates of azodyes. Its use is employed in organic pigments,material intermediates of dyes for producing Japanol copper Blue 2B(NSK)and Benzc copper Blue CVBS(Bay),Acid Brilliant Rubine 2GT(Acna)and Acid Chrome Bordeaux(Roum),etc.

Packing and storing:In 25kgs plastic woven bag with plastic lining.Put in dark,cold and air through place,prevent wet by the rain and burnt by the sun.

1-Naphthol-4-Sulfonic Acid