cas no:2215-89-6
Chemical name: 4,4'-Biphthalic Anhydride Cas no: 2420-87-3 Purity: 99.5%
Chemical name: 4,4'-Biphthalic AnhydrideCas no: 2420-87-3Purity: 99.5%Formula: C16H6O6Appearance: 白色或近白色粉末Package: 20kg/桶； 100kg/桶
