... parts and architectural products and materials. Iron Oxide Red Chemical Formula: Fe2O3 Color Index: Pigment Red 101 CAS No.: 1309-37-1Iron ... 4. Only dissolved in heat strong acid. Application 1. Coating, antirust pigment. 2. Tinting of rubber, plactic product, scagliola, wall, ... 3. Raw material of the chemical product contain iron such as oil paint, concoctive paint.TF Chemical Co., Ltd. is engaged in ...