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Key Documents

8.03258

Sigma-Aldrich

Bis(4-hydroxyphenyl) sulfone

for synthesis

Synonym(s):

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

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About This Item

Linear Formula:
[4-(HO)C6H4]2SO2
CAS Number:
80-09-1
Molecular Weight:
250.27
MDL number:
MFCD00002350
UNSPSC Code:
12352104
EC Index Number:
201-250-5

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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

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technique(s)

GC/MS: suitable

technique(s)

HPLC: suitable

technique(s)

-

technique(s)

UV/Vis spectroscopy: suitable

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

assay

≥98% (GC)

assay

≥98% (GC)

assay

-

assay

≥99% (GC)

solubility

0.0095 g/L

solubility

-

solubility

-

solubility

-

form

liquid

form

liquid

form

-

form

liquid

vapor pressure

256 mmHg ( 37.7 °C), ~132 mmHg ( 20 °C), 5.2 psi ( 37.7 °C)

vapor pressure

256 mmHg ( 37.7 °C), 5.2 psi ( 37.7 °C), ~132 mmHg ( 20 °C)

vapor pressure

256 mmHg ( 37.7 °C), 5.2 psi ( 37.7 °C), ~132 mmHg ( 20 °C)

vapor pressure

256 mmHg ( 37.7 °C), 5.2 psi ( 37.7 °C), ~132 mmHg ( 20 °C)

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
GHS08

Signal Word

Danger

Hazard Statements

H360FD

Hazard Classifications

Repr. 1B

Storage Class Code

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

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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