Manufacturer & Supplier — CAS 531-85-1. Supplied ex-India in export-compliant packing with Certificate of Analysis, Material Safety Data Sheet and complete shipping documentation.
Product Information
Scapex Exports Pvt. Ltd., Ahmedabad, Gujarat, is actively engaged as a manufacturer, supplier and exporter of a wide range of Benzidine-2,2'-Disulfonic Acid, which includes ≥95% Technical material for benzidine-based intermediates applications.
Benzidine-2,2'-Disulfonic Acid is manufactured and supplied by Scapex Exports Pvt. Ltd. as grey to light brown powder conforming to ≥95% Technical. The material is sourced from audited manufacturing partners in India, released against a batch Certificate of Analysis and packed for international freight in the pack sizes your process requires.
Within our dyes & dye intermediates range this product sits under Benzidine-based Intermediates, and is used principally in intermediate for direct dyes. Every consignment ships with the documentation set required for customs clearance and incoming-goods inspection at destination.
Benzidine-2,2'-Disulfonic Acid is also known as (synonyms): CAS 531-85-1.
| Product Name | Benzidine-2,2'-Disulfonic Acid |
|---|---|
| C.A.S. Number | 531-85-1 |
| Molecular Formula | C12H14Cl2N2 |
| Molecular Weight | 257.16 g/mol |
| Melting Point | greater than 572 °F (NTP, 1992) |
| Solubility | 1 to 5 mg/mL at 74.3 °F (NTP, 1992) |
| Category | Dyes & Dye Intermediates |
| Product Group | Benzidine-based Intermediates |
| Grade / Purity | ≥95% Technical |
| Appearance | Grey to light brown powder |
| Primary Application | Intermediate for direct dyes |
| GHS Classification | Toxic aromatic amine — see the Material Safety Data Sheet (MSDS) |
| Country of Origin | India |
| Packing | Bags, drums, carboys, IBC or ISO tank as applicable. Customer-specified packing available. |
| Documentation | COA, MSDS, TDS, Certificate of Origin |
| Minimum Order | Quoted against enquiry — trial and container quantities both supported |
The specification shown is the standard commercial grade. Scapex supplies against customer-specified assay limits and pharmacopoeial or industry standards — share your specification sheet and we will confirm compliance before order.
Benzidine-2,2'-Disulfonic Acid is shipped from Indian ports to buyers across Asia, the Middle East, Africa, Europe, North America, Latin America and Oceania. Each market page below sets out the entry ports, typical transit time and the regulatory documentation required at destination.
Yes. Scapex Exports supplies Benzidine-2,2'-Disulfonic Acid from India to buyers worldwide, including China, United States, United Arab Emirates, Vietnam, Bangladesh, Brazil and every other market listed on this page. Shipments move from Mundra, Nhava Sheva, Kandla, Hazira and Chennai on FOB, CFR or CIF terms.
The CAS number of Benzidine-2,2'-Disulfonic Acid is 531-85-1.
Yes. A Certificate of Analysis against the agreed specification and a 16-section GHS Material Safety Data Sheet are supplied with every consignment, and both are downloadable from this page before you order.
Trial quantities and full container loads are both supported. The minimum depends on the grade, the packing and the destination — send your requirement and we will confirm.
The standard commercial grade is ≥95% Technical, supplied as grey to light brown powder. Other grades are available against your written specification — send the assay limits or pharmacopoeial reference you work to and we will confirm compliance before order.
Send the specification you work to — we confirm the grade, packing, documentation set and CIF/FOB price within one business day.
