◇ Sodium thiosulfate
◇ Ammonium Thiosulphate
◇ 45% Potassium sulfite solution
70% Ammonium bisulphite...
◇ Sodium metabisulfite
◇ Vat red F3B
◇ Vat red 54#
◇ Vat red FBM
◇ Vat blue 66#
◇ 1-nitro-2-methyl-anthraquinone
◇ 2B acid
◇ M-chlorophenol
Vat red F3B (C.I. Vat Red 31)

1, Molecular formula: C30H16N4O5
2, CAS NO.:1227-47-3
3, Intension :100%
4, Packing: 25kg metal pail