The Basic Red 51 ,its cas register number is 12270-25-6. It also can be called as Basacryl Red X-BL and Maxilon Red M-RL .It is a blue-violet powder. This chemical mainly used for dyeing of acrylic fiber and blended fabric, polyester and also used for dyeing paper. If you want to store this chemical, please keep containers tightly sealed, and store in cool, dry place in tighely closed containers, also ensure good ventilation/exhaustion at the workplace.Follow are some neasures about first aid, after inhalation, supply fresh air, if required,provide artificial respiration and keep patient warm.After skin contact, seek immediate medical advice and instantly wash with water, soap and rinse thoroughly.