4-Chloro Benzene Sulfinic Acid Sodium Salt is a chlorinated sulfinic acid derivative used in API, dye, and chemical manufacturing. It offers high reactivity and stability for sulfonation reactions.
D.K. Pharmachem produces this chemical under strict quality control with export documentation, supporting international pharmaceutical and chemical manufacturers.
| Attribute | Details |
|---|---|
| CAS Number | 99-04-7 |
| Molecular Formula | C₆H₄ClNaO₂S |
| Molecular Weight | 173.60 g/mol |
| Grade | Pharma / Industrial |
| Appearance | White crystalline powder |
| Purity | ≥99% |
| Packaging | Drums, bulk |

Precursor for sulfonamide APIs

Used in herbicide/pesticide synthesis

Applied in specialty colorant manufacturing

Used in sulfonation and chlorination reactions
As a WHO-GMP certified manufacturer, We are equipped for high-purity pharmaceutical intermediate production. Our 4-Chloro Benzene Sulfinic 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 Sulfinic 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 Sulfinic 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 Sulfinic Acid Sodium Salt manufactured at our India facility is backed by:
As one of the established 4-Chloro Benzene Sulfinic 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 Sulfinic 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 Sulfinic 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 Sulfinic Acid Sodium Salt means 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 Sulfinic Acid Sodium Salt products and services
4-Chloro Benzene Sulfinic Acid Sodium Salt is a chlorinated sulfinic acid derivative used as a precursor for sulfonamide active pharmaceutical ingredients (APIs). It also finds application in agrochemical synthesis (herbicides and pesticides), dyes and pigments manufacturing, and chemical research involving sulfonation and chlorination reactions. DK PharmaChem supplies it in pharma and industrial grades depending on the intended use.
DK PharmaChem manufactures 4-Chloro Benzene Sulfinic Acid Sodium Salt to comply with European Pharmacopoeia (EP) and British Pharmacopoeia (BP) standards. Purity is maintained at 99% minimum, with batch-to-batch consistency verified through in-house High Performance Liquid Chromatography (HPLC) testing. Each batch is supported by a Certificate of Analysis (CoA) confirming compliance.
Yes, 4-Chloro Benzene Sulfinic Acid Sodium Salt is manufactured at DK PharmaChem’s WHO-Good Manufacturing Practice (WHO-GMP) certified facility in India. The manufacturing line is purpose-built for controlled synthesis of pharmaceutical intermediates, with validated cleaning and production procedures to ensure consistency across batches.
DK PharmaChem provides a Certificate of Analysis (CoA) and Material Safety Data Sheet (MSDS) with every shipment of 4-Chloro Benzene Sulfinic Acid Sodium Salt. The product is also backed by European Drug Master File (EDMF) registration, along with country-specific regulatory filings where required for export. This documentation supports due diligence for buyers’ own regulatory and quality teams.
The CAS number for 4-Chloro Benzene Sulfinic Acid Sodium Salt is 99-04-7. Its molecular formula is C6H4ClNaO2S with a molecular weight of 173.60 g/mol. Buyers can use this CAS number to verify the product against their own specification sheets before placing an order.
4-Chloro Benzene Sulfinic Acid Sodium Salt is packed in HDPE drums or fiber drums with inner liners, with bulk packaging options available for larger orders. Packaging is selected to maintain product stability and ensure safe handling throughout international shipping. Buyers with specific packaging requirements can discuss custom-packaging options with DK PharmaChem’s team.
International buyers can request a quote or samples by contacting DK PharmaChem’s team through the enquiry form on the website or by emailing dkc@dkpharmachem.com. The team responds with pricing, available documentation, and lead times based on the buyer’s order quantity and destination. Technical support is available for buyers evaluating the product against their formulation or synthesis requirements.
DK PharmaChem exports 4-Chloro Benzene Sulfinic Acid Sodium Salt to regulated markets across Europe, North America, Southeast Asia, and the Middle East. All export shipments include full documentation such as CoA, MSDS, EDMF, and country-specific regulatory filings where required. Buyers outside these regions can still enquire, as DK PharmaChem evaluates new export destinations on a case-by-case basis.