The TNF-alpha (D2D4) XP ® Rabbit mAb (BSA and Azide Free) Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to TNF, and Tumor necrosis factor. This antibody recognizes Mouse antigen. The TNF-alpha (D2D4) XP ® Rabbit mAb (BSA and Azide Free) Antibody has been shown to work in the following applications: Flow Cytometry, Immunocytochemistry, Immunofluorescence, and Western Blot.