CHEMICAL NAME: 4,4'-methylene-bis- (ortho-chloroaniline) STRUCTURE:  MOLECULAR WEIGHT: 267.16 MOLECULAR FORMULA: C13H12Cl2N2 SPECIFICATION: Appearance : pale yellow flake or cylindrical pellet. Melting Point: 98oC up Flash point 480oF (249oC) TOC Moisture : < 0.1 % Decomposes above 392oF (200 oC) PHYSICAL PROPERTIES: Bulk density : 0.8~0.9 g/ml Density : 1.26 g/ml Aminc value : 7.4~7.6 mmol/g, [2(mole of NH2) /267.16] x 1000=7.486 Water absorption tendency : none Storage stability: Stable, decompose above 200oC SOLUBILITY: Easy soluble in Acetone, DMP, DMSO, MEK. THF. Soluble in Ethanol, Toluene, Benzene. Insoluble in water.

TOXICITY: LD50(Rats) 750 mg/kg. APPLICATION: 1. Curing agent for PU elastomer. The elasticity depends on different kind of prepolymer used. 2. Applicable for athletic track, roof coating, floor coating, rollers, skates rollers and bumpers..., etc. 3. Curing agent for epoxy resin or epoxy urethane resin. ARTIFICIAL PROPERTIES:     -MOCA is used to react with prepolymer which is a product of TDI (Toluene Di Isocyanate) reacting with polyether/or polyester and which contains NCO 4.2~ 4.3%. Its pot life is 8~10min.     -Heating resistance up to 100oC , But it shows significant reduction of its properties for long period of time at temperature over 121oC. FORMULATION: For 100 parts of prepolymer, the quantity of MOCA used is "prepolymer NCO% x 3.18 x 95% ~100%"