C32H22N6Na2O6S2  M.W : 696.65 
 CAS : 573-58-0 
 EC : 209-358-4 
 EC INDEX : 611-027-00-8 
 UN : 2811 
 IMDG : 6.1 III UN 2811 
 ADR : 6.1 T2 III UN 2811 
 IATA : 6.1 III UN 2811 
H : H350-H361d 
P : P281-P405-P501 

 Specifications :
- Appearance  Brownish red powder
- Transition range pH  3
- blue-violet to red orange 
- Loss on drying (110°C)  ? 5%
- Sensitivity 
packaging: plastic bottle, volume: 25 g, pcs per sales unit: CONG-R0D-025