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HomeProduct name listPotassium 2,5-dihydroxybenzenesulfonate

Potassium 2,5-dihydroxybenzenesulfonate

Synonym(s):2,5-Dihydroxybenzenesulfonic acid potassium salt;Hydroquinone monosulfonic acid potassium salt;Potassium 2,5-dihydroxybenzenesulfonate

  • CAS NO.:21799-87-1
  • Empirical Formula: C6H7KO5S
  • Molecular Weight: 230.28
  • MDL number: MFCD00007475
  • EINECS: 244-584-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:15:32
Potassium 2,5-dihydroxybenzenesulfonate Structural

What is Potassium 2,5-dihydroxybenzenesulfonate?

Chemical properties

white solid

The Uses of Potassium 2,5-dihydroxybenzenesulfonate

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.]

Properties of Potassium 2,5-dihydroxybenzenesulfonate

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.
CAS DataBase Reference 21799-87-1(CAS DataBase Reference)
EPA Substance Registry System Benzenesulfonic acid, 2,5-dihydroxy-, monopotassium salt (21799-87-1)

Safety information for Potassium 2,5-dihydroxybenzenesulfonate

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Potassium 2,5-dihydroxybenzenesulfonate

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