Benzidine-2,2'-Disulfonic Acid | 117-61-3

Cas No :

117-61-3

Synonyms :

Form :

Solid

Molecular Weight :

346.37 g/mol

Molecular Formula :

C₁₂H₁₂N₂O₆S₂

Boiling Point :

680 °C

Melting Point :

190 °C

Flash Point :

137 °C

Solubility :

Soluble in water, soluble in alkali

Description :

Benzidine-2,2'-Disulfonic Acid Supplier & Distributor In India

ChemicalBull is a Benzidine-2,2'-Disulfonic Acid supplier, distributor, and exporter in India, supporting sourcing enquiries from dye intermediate manufacturers, polymer developers, specialty chemical companies, research laboratories, distributors, wholesalers, and global B2B buyers.

Benzidine-2,2'-Disulfonic Acid, CAS 117-61-3, is also known as 2,2'-Benzidinedisulfonic Acid, 4,4'-Diaminobiphenyl-2,2'-Disulfonic Acid, or BDSA. It is a sulfonated aromatic diamine used in selected dye synthesis routes and sulfonated polymer development.

Contact ChemicalBull for a Benzidine-2,2'-Disulfonic Acid Quote — Share your required quantity, purity, packing size, and delivery location to request bulk pricing and supply details.


Overview of Benzidine-2,2'-Disulfonic Acid

Benzidine-2,2'-Disulfonic Acid has the molecular formula C12H12N2O6S2 and a molecular weight of approximately 344.36 g/mol. Its biphenyl structure contains two amino groups and two sulfonic acid groups.

The compound is supplied as a solid. Appearance and water content vary with the specification and grade. Buyers should confirm whether the assay is reported on an as-supplied or dry basis when comparing commercial offers.

Before procurement, confirm identity, substitution pattern, assay method, purity, moisture content, impurity limits, appearance, packaging, and storage requirements. Specify CAS 117-61-3 to distinguish this material from other benzidinedisulfonic acid isomers.


Applications of Benzidine-2,2'-Disulfonic Acid

Dye Intermediate Synthesis

Benzidine-2,2'-Disulfonic Acid is described in patent literature as an intermediate for selected azo dyes. Its amino groups participate in diazotisation and coupling chemistry under suitable process conditions.

Sulfonated Polyimide Preparation

BDSA is used as a sulfonated diamine monomer in polyimide synthesis. It introduces sulfonic acid functionality into polymers prepared with suitable dianhydrides and other diamine monomers.

Polymer Electrolyte Membrane Research

Published research describes BDSA-based sulfonated polyimides for polymer electrolyte and proton exchange membrane development. Researchers evaluate properties such as proton conductivity, water uptake, and membrane stability.

Laboratory & Materials Development

Research laboratories use Benzidine-2,2'-Disulfonic Acid in functional polymer synthesis and materials characterisation. Published work also describes its use in sulfonated copolyimides investigated for metal-ion sensing.


Benzidine-2,2'-Disulfonic Acid Supply Support For Industrial Buyers

ChemicalBull supports sourcing enquiries from dye intermediate producers, polymer manufacturers, specialty chemical developers, research laboratories, distributors, wholesalers, and export customers.

Buyers can request assay details, moisture specifications, analytical information, packing options, COA, TDS, MSDS or SDS, and export documentation for the offered grade. Our team helps coordinate product specifications and procurement requirements.


Why Choose ChemicalBull For Benzidine-2,2'-Disulfonic Acid?

ChemicalBull helps B2B buyers discuss Benzidine-2,2'-Disulfonic Acid specifications, bulk pricing, packaging requirements, and delivery arrangements.

Our team supports document requests, domestic dispatch planning, export coordination, and repeat procurement enquiries. Product availability, lead time, and commercial terms are confirmed during quotation.


Benzidine-2,2'-Disulfonic Acid MSDS & Handling

Supplier hazard information identifies the material as harmful if swallowed, in contact with skin, or inhaled, and as causing skin and serious eye irritation. Avoid dust exposure and direct contact. Use suitable ventilation, protective gloves, protective clothing, and eye protection.

Keep containers tightly closed in a cool location and protect the material from contamination. Follow the offered grade’s storage and compatibility instructions. Review the latest MSDS or SDS before storage, weighing, processing, disposal, or transportation.


Related Products

Buyers sourcing Benzidine-2,2'-Disulfonic Acid may also enquire about related aromatic sulfonic acids and dye intermediates from ChemicalBull.

Request a Quote for Benzidine-2,2'-Disulfonic Acid

Need Benzidine-2,2'-Disulfonic Acid for dye intermediate synthesis, sulfonated polyimide preparation, membrane research, or materials development?

Send your required quantity, assay, moisture limits, analytical requirements, packing size, application, and delivery location to ChemicalBull. Our team will discuss available specifications, bulk pricing, lead time, and documentation for domestic or export orders.


Frequently Asked Questions

  1. What is Benzidine-2,2'-Disulfonic Acid?

    Benzidine-2,2'-Disulfonic Acid is a sulfonated aromatic diamine also called 2,2'-Benzidinedisulfonic Acid or BDSA. It contains two amino groups and two sulfonic acid groups on a biphenyl structure.

  2. What is the CAS number of Benzidine-2,2'-Disulfonic Acid?

    Its CAS number is 117-61-3. Its molecular formula is C12H12N2O6S2, and its molecular weight is approximately 344.36 g/mol.

  3. What is Benzidine-2,2'-Disulfonic Acid used for?

    It is used in selected azo dye synthesis routes, sulfonated polyimide preparation, polymer electrolyte membrane research, and functional materials development.

  4. Who supplies Benzidine-2,2'-Disulfonic Acid in India?

    ChemicalBull supports supply enquiries in India for dye intermediate manufacturers, polymer developers, specialty chemical companies, laboratories, distributors, and bulk buyers.

  5. Can I request bulk pricing and Benzidine-2,2'-Disulfonic Acid MSDS?

    Yes. Contact ChemicalBull with your quantity, specification, packing requirements, and delivery location to request bulk pricing and MSDS or SDS. COA, TDS, and other documentation can be requested for the offered grade.

ChemicalBull supplies Benzidine-2,2'-Disulfonic Acid across India, serving customers in Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Chhattisgarh, Goa, Gujarat, Haryana, Himachal Pradesh, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Nagaland, Odisha, Punjab, Rajasthan, Sikkim, Tamil Nadu, Telangana, Tripura, Uttar Pradesh, Uttarakhand, and West Bengal, as well as the Union Territories of Andaman & Nicobar Islands, Chandigarh, Dadra & Nagar Haveli and Daman & Diu, Delhi, Jammu & Kashmir, Ladakh, Lakshadweep, and Puducherry. We serve pharmaceutical, chemical, research, academic, laboratory, manufacturing, and industrial customers with reliable nationwide delivery.