4-Toluene Sulfinic Acid Sodium Salt is widely used as a reducing agent and intermediate in pharmaceutical, agrochemical, and dye synthesis.
Manufactured under controlled conditions, D.K. Pharmachem ensures purity, stability, and consistent batch-to-batch quality for industrial and pharma applications.
| Attribute | Details |
|---|---|
| CAS Number | 515-37-3 |
| Molecular Formula | C₇H₇NaO₂S |
| Molecular Weight | 168.19 g/mol |
| Grade | Pharma / Industrial |
| Appearance | White to off-white powder |
| Purity | ≥99% |
| Packaging | HDPE drums / bulk |

Used in sulfonamide API synthesis

Applied in pesticide manufacturing

Intermediate for colorants

Reducing agent in organic synthesis
As a WHO-GMP certified manufacturer, We are equipped for high-purity pharmaceutical intermediate production. Our 4-Toluene 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-Toluene 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-Toluene 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-Toluene Sulfinic Acid Sodium Salt
manufactured at our India facility is backed by:
As one of the established 4-Toluene 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-Toluene 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-Toluene 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-Toluene 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 What is 4-Toluene Sulfinic Acid Sodium Salt used for? products and services
4-Toluene Sulfinic Acid Sodium Salt is primarily used as a pharmaceutical intermediate in sulfonamide Active Pharmaceutical Ingredient (API) synthesis. It also serves as a reducing agent in organic synthesis and finds application in agrochemical and dye manufacturing. DK PharmaChem supplies it in pharma and industrial grades depending on the buyer’s end use.
DK PharmaChem manufactures 4-Toluene Sulfinic Acid Sodium Salt to European Pharmacopoeia (EP) and British Pharmacopoeia (BP) compliance standards. Purity is maintained at 99% or higher, with batch-to-batch consistency backed by in-house High-Performance Liquid Chromatography (HPLC) testing. This makes the product suitable for regulated-market API manufacturers with pharmacopoeial compliance requirements.
Yes. DK PharmaChem manufactures 4-Toluene Sulfinic Acid Sodium Salt at a dedicated WHO-Good Manufacturing Practice (WHO-GMP) certified facility in India. The manufacturing line is purpose-built for controlled synthesis, with validated cleaning and production procedures and an in-house analytical quality control laboratory.
Every batch is supplied with a Certificate of Analysis (CoA) and Material Safety Data Sheet (MSDS) on request. DK PharmaChem also holds European Drug Master File (EDMF) registration for this product, along with country-specific regulatory filings where required for export. This documentation supports both procurement due diligence and regulatory submissions on the buyer’s end.
The CAS number for 4-Toluene Sulfinic Acid Sodium Salt is 515-37-3. Its molecular formula is C₇H₇NaO₂S with a molecular weight of 168.19 g/mol. Buyers can use this CAS number to cross-verify the product during specification matching and import documentation.
4-Toluene Sulfinic Acid Sodium Salt is packed in HDPE drums or fiber drums with inner liners, and bulk packaging options are available for larger orders. Packaging is designed to maintain product stability and ensure safe handling through the export supply chain. Buyers should store the material in a cool, dry, well-ventilated area, protected from moisture and direct sunlight.
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.
Buyers can request pricing, samples, or technical documentation by reaching out through DK PharmaChem’s contact page or by writing directly to the company. The team can advise on order quantities, lead times, and documentation requirements based on the buyer’s regulatory market and order volume. DK PharmaChem supports both spot orders and long-term supply agreements.