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3232-24-4

4,4'-Bis(sulfonic acid)diphenyl ether, also known as 4,4'-dihydroxydiphenyl ether-2,2'-disulfonic acid, is an organic compound with the chemical formula C12H10O7S2. It is a white crystalline solid that is soluble in water and has a molecular weight of 334.33 g/mol. 4,4'-bis(sulfonic acid)diphenyl ether is a derivative of diphenyl ether, where two hydroxyl groups are replaced by sulfonic acid groups. It is used as an intermediate in the synthesis of various dyes, pharmaceuticals, and other chemical products. Due to its sulfonic acid groups, it exhibits acidic properties and can form salts with various metal ions. The compound is also known for its potential applications in the preparation of ion-exchange resins and as a building block for the synthesis of more complex organic molecules.

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  • 3232-24-4 Structure

  • Basic information

    1. Product Name: 4,4'-bis(sulfonic acid)diphenyl ether
    2. Synonyms: 4,4'-bis(sulfonic acid)diphenyl ether
    3. CAS NO:3232-24-4
    4. Molecular Formula:
    5. Molecular Weight: 330.339
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 3232-24-4.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 4,4'-bis(sulfonic acid)diphenyl ether(CAS DataBase Reference)
    10. NIST Chemistry Reference: 4,4'-bis(sulfonic acid)diphenyl ether(3232-24-4)
    11. EPA Substance Registry System: 4,4'-bis(sulfonic acid)diphenyl ether(3232-24-4)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 3232-24-4(Hazardous Substances Data)

3232-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3232-24-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,3 and 2 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3232-24:
(6*3)+(5*2)+(4*3)+(3*2)+(2*2)+(1*4)=54
54 % 10 = 4
So 3232-24-4 is a valid CAS Registry Number.

3232-24-4Relevant articles and documents

Method for preparing high-purity 4,4'-oxybisbenzensulfonyl chloride

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Paragraph 0018-0023, (2017/08/28)

The invention discloses a method for preparing high-purity 4,4'-oxybisbenzensulfonyl chloride. The method includes the following steps that (1) concentrated sulfuric acid is dropwise added into diphenyl ether at the temperature of 60 DEG C and the negative pressure, the mixture is fully reacted at the temperature of 130 DEG C to 140 DEG C after the concentrated sulfuric acid is dropwise added, the reaction is completed, and a sulfonic acid mixture is prepared; (2) an organic solvent is added into the sulfonic acid mixture at the temperature of 0 DEG C to 30 DEG C, the pH value of a system is adjusted to be 7 to 9 with alkali, solid-liquid separation is carried out, and diphenyl ether disulfonate is obtained; (3) the diphenyl ether disulfonate is added into acid, the mixture is fully reacted, water is removed after reacting, and a mixed product is obtained; (4) phosphorus oxychloride is dropwise added into the mixed product at the temperature of 80 DEG C or above, the mixture is fully reacted after the temperature of 100 DEG C to 105 DEG C after the phosphorus oxychloride is dropwise added, a reaction product is obtained after reacting, the reaction product is washed, and the 4,4'-oxybisbenzensulfonyl chloride is obtained. OBSC prepared with the method is narrow in melting range, high in purity and whiteness degree and capable of allowing a downstream product foaming agent OBSH to have the advantages of being high in gas-forming amount, narrow in gas-forming temperature range and high in purity and whiteness degree.

The generality of architectural isomerism in designer inclusion frameworks

Holman,Martin,Parker,Ward

, p. 4421 - 4431 (2007/10/03)

We describe herein new structural isomers of a lamellar host system based on organodisulfonate "pillars" that connect opposing hydrogen-bonded sheets, consisting of topologically complementary guanidinium (G) ions and sulfonate (S) groups, to generate inc

SULFUR TRIOXIDE SULFONATION OF DIPHENYL ETHER, DIPHENYL SULFIDE, DIBENZODIOXIN, AND XANTHENE

Cerfontain, Hans,Koeberg-Telder, Ankie,Lindert, Helen C. A. Van,Bakker, Bert H.,Wit, Peter De

, p. 239 - 244 (2007/10/02)

The sulfur trioxide sulfonation of diphenyl ether (1), diphenyl sulfide (2), and the related tricyclic dibenzodioxin (3) and xanthene (4) has been studied.The substrates 1 and 2 both yield initially the 4-sulfonic acid derivative (4-S) and subse

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