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DMI ref. omg018 Image title: Diphenyl Sulphone | 20.58
2:2' 4':2 mixture, Diphenyl Sulphone (CAS# 127-63-9), white crytals, melting at about 125C, used as a sensitizer for recording papers, as an additive in metal electro-plating baths and a raw material for organic synthesis.
Crystals grown from the melt. Polaroid + 1/4-wave plate