Thermosensitive Dye D8 (4-Hydroxy-4'-isopropoxydiphenyl Sulfone) CAS NO: 95235-30-6
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4-Hydroxy-4'-isopropoxydiphenylsulfone
Chinese aliases: Thermochromic dye D-8; 4-Hydroxy-4-isopropoxydiphenylsulfone; D-8; 4'-Hydroxy-4'-isopropoxydiphenylsulfone
English name: 4-Hydroxy-4'-isopropoxydiphenylsulfone
English aliases: 4-(4-isopropoxyphenylsulfonyl)phenol; D-8;
4-Isopropyloxyphenyl-4'-Hydroxyphenylsulfone; 4-[4-(1-methylethoxy)phenyl]sulfonyl]-Phenol;
CAS NO: 95235-30-6
Molecular formula: C15H16O4S
Appearance: White crystals
Purity (HPLC): ≥99.5%
Molecular weight: 292.35
Density: 1.251 g/cm3
Boiling point: 478.789°C at 760 mmHg
Flash point: 243.363°C
Melting point: 127°C-131°C
Loss on drying: ≤0.2%
4,4'-Dihydroxydiphenyl sulfone (BPS): ≤0.5%
Usage: Mainly used as a color developer for thermal paper and thermal medical dry films.
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