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CAS No.: 31127-54-5 Molecular Weight: 246.219 Molecular Formula: C13H10O5 Specification Item Standard Appearance: Yellow powder; Melt point: 219.0-222.0 degree; Purity: not less than 99.5 %; Solution: Clear; Water content: not more than 0.5 %; Na: not more than 200 ppb; Fe: not more than 200 ppb; K: not more than 200 ppb; Ca: not more than 200 ppb; Mg: not more than 200 ppb; Cu: not more than 200 ppb; Mn: not more than 200 ppb; Pb: not more than 200 ppb; Use: Photosensitizer, additive materials for fine chemistry and electronics industry. Store: airproof and protect from light Packing: net weight 20kg per drum. 
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Shanghai Chunyuan Phytochemistry Co., Ltd
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Specialty chemicals