Skip to Content
MilliporeSigma
All Photos(2)

Documents

8.03258

Sigma-Aldrich

Bis(4-hydroxyphenyl) sulfone

for synthesis

Synonym(s):

Bis(4-hydroxyphenyl) sulfone, 4,4′-Sulfonyldiphenol, 4,4′-Dihydroxydiphenyl sulfone

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
[4-(HO)C6H4]2SO2
CAS Number:
Molecular Weight:
250.27
MDL number:
UNSPSC Code:
12352104
EC Index Number:
201-250-5

vapor pressure

<0.0001 Pa ( 20 °C)

assay

≥98.0% (HPLC)

form

powder

autoignition temp.

≥400 °C

potency

2830 mg/kg LD50, oral (Rat)

pH

6.6-7.0 (20 °C, 100 g/L in H2O)

mp

242-247 °C

solubility

1.1 g/L

density

0.5-0.6 g/cm3 at 20 °C

bulk density

500 kg/m3

storage temp.

2-30°C

InChI

1S/C12H10O4S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8,13-14H

InChI key

VPWNQTHUCYMVMZ-UHFFFAOYSA-N

Analysis Note

Assay (HPLC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 242 °C
Melting range (upper value): ≤ 247 °C
Identity (IR): passes test

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Repr. 1B

Storage Class

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

wgk_germany

WGK 1

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’.

Already Own This Product?

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

Visit the Document Library

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