Common Name: 4,4'-Methylenedianiline Synonyms: 4,4’-Diaminodiphenylmethane English Name: 4,4′-Methylenedianiline CAS Number: 101-77-9 EINECS: 202-974-4 Molecular Formula: C13H14N2 Molecular Weight: 198.264 Density: 1.1±0.1 g/cm3 Boiling Point: 398.0±0.0 °C Melting Point: 89-91 °C Flash Point: 221.1±0.0 °C Appearance: White to yellow or beige flakes or crystals Solubility: Slightly soluble in water; soluble in ethanol and benzene. Uses: 1. Primarily used in rubber products such as tires, sidewalls, cord layers, inner tubes, conveyor belts, hoses, and V-belts. 2. Used in the production of insulating materials, dyes, diisocyanates, polyurethane rubber, H-grade adhesives, and epoxy resin curing agents. 3. Serves as an analytical reagent and is used in organic synthesis. 4. Employed in dye manufacturing, determination of tungsten and sulfates, and as an antioxidant and anti-aging agent for rubber.