Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

163295

Sigma-Aldrich

4,4′-Sulfonyldibenzoic acid

97%

Synonym(s):

Diphenyl sulfone 4,4′-dicarboxylic acid

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
O2S(C6H4CO2H)2
CAS Number:
2449-35-6
Molecular Weight:
306.29
MDL number:
MFCD00020375
UNSPSC Code:
12162002
PubChem Substance ID:
24849738
NACRES:
NA.21

Quality Level

100

Assay

97%

form

solid

mp

>350 °C (lit.)

SMILES string

OC(=O)c1ccc(cc1)S(=O)(=O)c2ccc(cc2)C(O)=O

InChI

1S/C14H10O6S/c15-13(16)9-1-5-11(6-2-9)21(19,20)12-7-3-10(4-8-12)14(17)18/h1-8H,(H,15,16)(H,17,18)

InChI key

SQJQLYOMPSJVQS-UHFFFAOYSA-N

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319,H335

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKBJ0336V
15121MU

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Pradhumna Mahat Chhetri et al.
Molecules (Basel, Switzerland), 25(1) (2020-01-18)
Thermal reactions of cobalt(II) salts with flexible N,N'-bis(pyrid-3-ylmethyl)adipoamide (L) and angular 4,4'-sulfonyldibenzoic acid (H2SDA) in H2O and CH3OH afforded a pair of supramolecular isomers: [Co2(L)(SDA)2], 1, and [Co2(L)(SDA)2]⋅CH3OH⋅H2O, 2. The structure of complex 1 can be simplified as a one-dimensional
Leili Esrafili et al.
Journal of hazardous materials, 403, 123696-123696 (2020-12-04)
Designing porous and functionalized adsorbents and achieving high efficiency in heavy metals removal from wastewater is in the spotlight of environmental science. On the other hand, upon removal, adsorbents are still highly hazardous requiring that great care be taken in

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service