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8.21073

Sigma-Aldrich

4,4′-Diaminodiphenyl sulfone

for synthesis

Synonym(s):
DDS, 4,4′-Sulfonyldianiline, Bis(p-aminophenyl) sulfone, 4,4′-Diaminodiphenyl sulfone
Linear Formula:
[4-(NH2)C6H4]2SO2
CAS Number:
Molecular Weight:
248.30
MDL number:
EC Index Number:
201-248-4

Quality Level

assay

≥97.0% (HPLC)

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

storage temp.

2-30°C

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

Related Categories

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - STOT RE 2 - STOT SE 1

Target Organs

Blood

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK Germany

WGK 1

Certificate of Analysis

Certificate of Origin

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