4-Chloro Benzene Sulfonic Acid Sodium Salt is a stable, water-soluble sulfonic acid derivative used in pharmaceutical, dye, and agrochemical industries. Its chlorinated and sulfonated functional groups provide high reactivity for intermediate synthesis.
D.K. Pharmachem ensures consistent quality, high purity, and export-ready packaging for regulated and semi-regulated markets.
| Attribute | Details |
|---|---|
| CAS Number | 113-79-1 |
| Molecular Formula | C₆H₄ClNaO₃S |
| Molecular Weight | 173.56 g/mol |
| Grade | Pharma / Industrial |
| Appearance | White crystalline powder |
| Purity | ≥99% |
| Packaging | HDPE drums / bulk bags |

Precursor for sulfonamide drug synthesis

Applied in specialty water-soluble dyes

Used in herbicide/pesticide intermediates

Functionalized aromatic reactions for research
As a WHO-GMP certified manufacturer, We are equipped for high-purity pharmaceutical intermediate production. Our 4-Chloro Benzene Sulfonic Acid Sodium Salt manufacturing line is purpose-built for controlled synthesis, ensuring batch-to-batch consistency and compliance with international pharmacopoeial standards.
DK Pharmachem operates a dedicated WHO-GMP certified manufacturing facility in India, equipped for high-purity pharmaceutical intermediate production. Our 4-Chloro Benzene Sulfonic Acid Sodium Salt manufacturing line is purpose-built for controlled synthesis, ensuring batch-to-batch consistency and compliance with international pharmacopoeial standards.
Facility highlights to list as bullet points below this paragraph:
As a bulk 4-Chloro Benzene Sulfonic Acid Sodium Salt supplier in India, DK Pharmachem maintains scalable production capacity to meet both regular and high-volume procurement requirements. Our supply chain is designed to support uninterrupted manufacturing operations for our clients.
Supply capabilities to list as bullet points:
Every batch of 4-Chloro Benzene Sulfonic Acid Sodium Salt manufactured at our India facility is backed by:
As one of the established 4-Chloro Benzene Sulfonic Acid Sodium Salt manufacturers in India, we ensure uninterrupted supply chains and strict adherence to global quality standards.
DK Pharmachem serves clients across pharmaceuticals, agrochemicals, water treatment, and contract manufacturing sectors. We maintain consistent stock availability to support both spot orders and long-term supply agreements.
As an established 4-Chloro Benzene Sulfonic Acid Sodium Salt exporter, we ship to regulated markets including Europe, North America, Southeast Asia, and the Middle East. All export shipments are accompanied by full documentation - COA, MSDS, EDMF, and country-specific regulatory filings where required.
Partner with DK Pharmachem for consistent pharmaceutical-grade quality, reliable bulk supply, and comprehensive regulatory documentation. Get in touch with our team today to discuss your requirements, timelines, and pricing.
4-Chloro Benzene Sulfonic Acid Sodium Salt powder is packed to maintain stability and ensure safe handling throughout the supply chain.
Choosing the right sourcing partner for 4-Chloro Benzene Sulfonic Acid Sodium Saltmeans evaluating quality, regulatory standing, supply reliability, and long-term partnership capability. DK Pharmachem has been a trusted name in pharmaceutical intermediates for over four decades, built on a foundation of manufacturing excellence and customer trust.

Direct Manufacturer, Not a Trader

WHO-GMP Certified Manufacturing

EDMF Registration Support

EP/BP Compliant Product Quality

Comprehensive Technical & Export Documentation

Bulk Supply & Long-Term Contract Support
Find answers to common questions about 4-Chloro Benzene Sulfonic Acid Sodium Salt products and services
4-Chloro Benzene Sulfonic Acid Sodium Salt is used primarily as an intermediate in sulfonamide drug synthesis, making it relevant for API manufacturers and formulators. It also finds use in specialty water-soluble dyes, herbicide and pesticide intermediates, and chemical R&D applications involving functionalized aromatic reactions. Buyers typically source it as a building block for downstream synthesis rather than as a finished ingredient.
DK PharmaChem manufactures 4-Chloro Benzene Sulfonic Acid Sodium Salt to European Pharmacopoeia (EP) and British Pharmacopoeia (BP) compliance standards. The product is supplied at a minimum purity of 99%, as a white crystalline powder, in both pharma and industrial grades. This allows buyers to select the grade appropriate to their intended application.
Yes. DK PharmaChem operates a dedicated WHO-GMP (World Health Organization Good Manufacturing Practice) certified facility in India for pharmaceutical intermediate production. The manufacturing line includes in-house HPLC (High-Performance Liquid Chromatography) and analytical quality control, ISO-compliant raw material storage, and validated cleaning and production procedures to ensure batch-to-batch consistency.
Every batch is supplied with a Certificate of Analysis (CoA) and Material Safety Data Sheet (MSDS) available on request. DK PharmaChem also holds EDMF (European Drug Master File) registration for this product and provides country-specific regulatory filings where required for export. This documentation is included with shipments so buyers do not need to request it separately.
The CAS (Chemical Abstracts Service) number is 113-79-1. Its molecular formula is C6H4ClNaO3S with a molecular weight of 173.56 g/mol. Buyers can use this CAS number to verify the product against their internal specifications or DMF (Drug Master File) references.
Buyers can reach DK PharmaChem’s team through the “Enquire Now” contact form on the product page or by emailing dkc@dkpharmachem.com. The team can discuss requirements, timelines, and pricing, and provide supporting documentation such as CoA, MSDS, and EDMF filings alongside a quote.
Yes. DK PharmaChem exports to regulated markets including Europe, North America, Southeast Asia, and the Middle East. All export shipments are accompanied by full documentation, including CoA, MSDS, EDMF, and country-specific regulatory filings where required.