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Potassium 2,5-dihydroxybenzenesulfonate

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Potassium 2,5-dihydroxybenzenesulfonate Basic information

Product Name:
Potassium 2,5-dihydroxybenzenesulfonate
Synonyms:
  • 2,5-Dihydroxybenzenesulfonicacid,monopotassiumsalt
  • 2,5-dihydroxy-benzenesulfonicacimonopotassiumsalt
  • Benzenesulfonicacid,2,5-dihydroxy-,monopotassiumsalt
  • POTASSIUM HYDROQUINONESULFONATE
  • POTASSIUM HYDROQUINONE SULPHONATE
  • POTASSIUM 2,5-DIHYDROXYBENZENESULFONATE
  • POTASSIUM DOBESILATE
  • 2,5-DIHYDROXY BENZENE SULFONIC ACID K SALT
CAS:
21799-87-1
MF:
C6H7KO5S
MW:
230.28
EINECS:
244-584-7
Product Categories:
  • 21799-87-1
Mol File:
21799-87-1.mol
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Potassium 2,5-dihydroxybenzenesulfonate Chemical Properties

Melting point:
251 °C (dec.)(lit.)
Boiling point:
591.05℃[at 101 325 Pa]
Density 
1.74[at 20℃]
vapor pressure 
0Pa at 25℃
storage temp. 
Store below +30°C.
form 
powder to crystal
color 
White to Almost white
Water Solubility 
soluble
BRN 
5187027
Stability:
Stable. Incompatible with bases, oxidizing agents.
LogP
-3.912 at 25℃
CAS DataBase Reference
21799-87-1(CAS DataBase Reference)
EPA Substance Registry System
Benzenesulfonic acid, 2,5-dihydroxy-, monopotassium salt (21799-87-1)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-37/39
WGK Germany 
2
TSCA 
Yes
HS Code 
29082000

MSDS

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Potassium 2,5-dihydroxybenzenesulfonate Usage And Synthesis

Chemical Properties

white solid

Uses

It is employed in the synthesis and properties of sulfonated polyarylene ether nitrile copolymers for PEM with high thermal stability.

Flammability and Explosibility

Not classified

Purification Methods

Recrystallise it from water or EtOH. [Beilstein 11 I 70, 11 II 170, 11 III 570.]

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