8.21073

4,4′-Diaminodiphenyl sulfone

for synthesis

• Synonym(s): 4,4′-Diaminodiphenyl sulfone, DDS, 4,4′-Sulfonyldianiline, Bis(p-aminophenyl) sulfone
• Linear Formula: [4-(NH₂)C₆H₄]₂SO₂
• CAS Number: 80-08-0
• Molecular Weight: 248.30
• MDL number: MFCD00007887
• UNSPSC Code: 12352116
• EC Index Number: 201-248-4
• NACRES: NA.22

Properties

• Quality Level: 200
• 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

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

Safety Information

• Pictograms: GHS07,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H302 - H360F - H371 - H373 - H411
• Precautionary Statements: P202 - P260 - P264 - P273 - P301 + P312 - P308 + P311
• 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