21799-87-1 Usage
Description
Potassium 2,5-dihydroxybenzenesulfonate is a white solid with chemical properties that make it suitable for various applications, particularly in the field of polymer science and proton exchange membrane (PEM) technology.
Uses
Used in Polymer Synthesis:
Potassium 2,5-dihydroxybenzenesulfonate is used as a key component in the synthesis of sulfonated polyarylene ether nitrile copolymers. These copolymers are designed for use in proton exchange membranes (PEM) due to their high thermal stability, which is crucial for the efficient and reliable performance of PEM fuel cells.
Used in Proton Exchange Membrane (PEM) Technology:
In the field of PEM technology, Potassium 2,5-dihydroxybenzenesulfonate is used as a crucial additive to enhance the properties of the proton exchange membranes. The high thermal stability of the copolymers synthesized with this compound contributes to the improved performance and durability of PEMs, making them more suitable for applications such as fuel cells and other electrochemical devices.
Flammability and Explosibility
Notclassified
Purification Methods
Recrystallise it from water or EtOH. [Beilstein 11 I 70, 11 II 170, 11 III 570.]
Check Digit Verification of cas no
The CAS Registry Mumber 21799-87-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,9 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 21799-87:
(7*2)+(6*1)+(5*7)+(4*9)+(3*9)+(2*8)+(1*7)=141
141 % 10 = 1
So 21799-87-1 is a valid CAS Registry Number.
InChI:InChI=1/C6H6O5S.K/c7-4-1-2-5(8)6(3-4)12(9,10)11;/h1-3,7-8H,(H,9,10,11);/q;+1/p-1
21799-87-1Relevant articles and documents
PROCESSES FOR THE PREPARATION OF 2,5-DIHYDROXYBENZENESULFONIC ACID SALTS
-
Page/Page column 13, (2009/08/14)
Processes for the preparation of 2,5-dihydroxybenzenesulfonic acid salts of formula (I) are provided.
