8.21872 EMD Millipore

Diphenyl sulfone

Diphenyl sulfone for synthesis. CAS 127-63-9, chemical formula (C₆H₅)₂SO₂., for synthesis

Synonym: Phenyl sulfone

  • CAS Number 127-63-9

  • Linear Formula C₁₂H₁₀O₂S

  • Molecular Weight 218.26 g/mol

  •  EC Number 204-853-1



Related Categories Biochemicals and Reagents, Building Blocks, Chemical Synthesis, Organic Building Blocks, Sulfones,
vapor pressure   0.7 hPa (50.7 °C)
solubility   >14 mg/l
density   1.36 g/cm3 (20 °C)
flash point   184 °C
mp   124 - 128 °C
bulk density   450 kg/m3
LD 50 oral   LD50 Rat > 2000 mg/kg
LD 50 dermal   LD50 Rat > 10000 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay (GC, area%): ≥ 98.0 % (a/a)
  Melting range (lower value): ≥ 124 °C
  Melting range (upper value): ≤ 128 °C
  Identity (IR): passes test

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Safety Information

HS Code 
2930 90 98
Hazard Statement(s) 
H302: Harmful if swallowed.
Storage class 
10 - 13 Other liquids and solids
WGK 2 water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS07  GHS07
R Phrase 
R 52/53
Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 61
Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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