AO Request a Quote Email usmanglorechemical @ gmail.com PriceNegotiate Price DocumentsRequest MSDS / TDS Detergent & Soap-12 Product code RXSOL-12-8531-030 UnitKg Quantity per unit1.00 Request a Quote Negotiate Price Email Us Acid Orange 7 also known as 2 naphthol orange is an azo dye. It is used for dyeing wool silk etc. Other Names Acid Orange AO7