Product

Potassium 2,5-dihydroxybenzenesulfonate

CAS No.：21799-87-1

Other grades of this product :

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:
Mol File:	21799-87-1.mol

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)

Safety Information

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

MSDS Information

Provider	Language
2,5-Dihydroxybenzenesulfonic acid potassium salt	English
ACROS	English
SigmaAldrich	English
ALFA	English

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

Potassium 2,5-dihydroxybenzenesulfonate Preparation Products And Raw materials

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