sodium nitrate for dye 1) purity:99.3%, 2)appearance:white crystal 3) ... quality in competitive price 4) ISO9001 sodium nitrate for dye Sodium Nitrate for industry use (NANO3)Property:Appearance:White tiny ... chemical material and widely used in the industry including:glass,dye,detonator,metallurgy,machinery and vitreous enamel.etc Notice:1. ... 0.10 ----- Ferrum(Fe),%≤ 0.005 sodium nitrate for dye industry