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Product Details Appearance: Colorless To Pink Liquid MDI Purity/%(A/A): ≥99.6 Crystallization point/℃: ≥38.1 Chromatic Number/Hazen: ≤30 2,4’isomer/%(A/A): 50.054.0 4,4’isomer/%(A/A: 44.549.0 ...