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8.21073 Sigma-Aldrich

4,4′-Diaminodiphenyl sulfone

for synthesis

Synonym: 4,4′-Diaminodiphenyl sulfone, DDS, 4,4′-Sulfonyldianiline, Bis(p-aminophenyl) sulfone

  • CAS Number 80-08-0

  • Linear Formula [4-(NH2)C6H4]2SO2

  • Molecular Weight 248.30

  •  MDL number MFCD00007887

  •  EC Index Number 201-248-4

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Properties

Related Categories Building Blocks, Chemical Synthesis, Organic Building Blocks, Sulfones - Sulfur Compounds, Sulfur Compounds More...
Quality Level   200
potency   1000 mg/kg LD50, oral (Rat)
  >4000 mg/kg LD50, skin (Rabbit)
pH   5.5-7.5 (20 °C in H2O, saturated aqueous solution)
mp   172-175 °C
solubility   0.38 g/L
bulk density   250‑350 kg/m3
InChI   1S/C12H12N2O2S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8H,13-14H2
InChI key   MQJKPEGWNLWLTK-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

Assay (HPLC, area%): ≥ 97.0 % (a/a)
Melting range (lower value): ≥ 175 °C
Melting range (upper value): ≤ 180 °C
Identity (IR): passes test

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