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الشخص الذي يمكن الاتصال به Ms. liping
huanghe, Puyang, Henan
Phthalic anhydride Chemical nameï&frac*4;šphthalic anhydride Molecular formulaï&frac*4;šC8H4O3 CAS RN.ï&frac*4;š******6 Molecular weightï&frac*4;š**8.*2 Quality standard GB/T *********6 Top grade First grade Qualified product Appearance White scaly or crystalline powder Fused Chromaï&frac*4;ˆChroma No.ï&frac*4;‰â‰¤ *0 *0 **0 Thermostable Chromaï&frac*4;ˆChroma No.ï&frac*4;‰â‰¤ *0 **0 - Sulfuric acid Chromaï&frac*4;ˆChroma No.ï&frac*4;‰â‰¤ *0 **0 **0 Crystallization point ℃≥ **0.5 **0.3 **0.0 Purityï&frac*4;ˆmass fractionï&frac*4;‰%≥ *9.*0 *9.*0 *9.*0 Free acidï&frac*4;ˆmass fractionï&frac*4;‰â‰¤ % 0.*0 0.*0 0.*0 Ashï&frac*4;ˆmass fractionï&frac*4;‰%≤ 0.*5 - -
