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Key Documents

8.21073

Sigma-Aldrich

4,4′-Diaminodiphenyl sulfone

for synthesis

Synonym(s):

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

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About This Item

Linear Formula:
[4-(NH2)C6H4]2SO2
CAS Number:
Molecular Weight:
248.30
MDL number:
UNSPSC Code:
12352116
EC Index Number:
201-248-4
NACRES:
NA.22

Quality Level

Assay

≥97.0% (HPLC)

form

powder

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

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 Classifications

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

Target Organs

Blood

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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