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HS Code |
688299 |
| Chemical Name | 2,4-Diaminobenzenesulfonic Acid Sodium Salt |
| Molecular Formula | C6H7N2NaO3S |
| Molecular Weight | 210.19 g/mol |
| Appearance | Off-white to beige powder |
| Solubility | Soluble in water |
| Cas Number | 88-63-1 |
| Synonyms | Sulfanilic acid sodium salt, Sodium 2,4-diaminobenzenesulfonate |
| Melting Point | Decomposes before melting |
| Storage Conditions | Store at room temperature, keep container tightly closed |
| Purity | Typically >98% |
As an accredited 2,4-Diaminobenzenesulfonic Acid Sodium Salt factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging consists of a sealed 100-gram amber glass bottle with a secure screw cap, clearly labeled with chemical and safety information. |
| Shipping | 2,4-Diaminobenzenesulfonic Acid Sodium Salt is shipped in tightly sealed containers to protect from moisture and contamination. Typically transported as a solid powder, it should be handled in accordance with chemical safety regulations and stored in a cool, dry place away from incompatible substances. Proper labeling and documentation accompany all shipments. |
| Storage | 2,4-Diaminobenzenesulfonic Acid Sodium Salt should be stored in a tightly closed container, in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers and acids. Protect it from moisture and direct sunlight. Proper labeling and safety information should be maintained to prevent accidental exposure. Store at room temperature unless otherwise specified by the manufacturer. |
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Purity 99%: 2,4-Diaminobenzenesulfonic Acid Sodium Salt with 99% purity is used in azo dye synthesis, where it ensures high chromatic yield and color fastness. Molecular Weight 216.21 g/mol: 2,4-Diaminobenzenesulfonic Acid Sodium Salt with a molecular weight of 216.21 g/mol is used in pharmaceutical intermediate production, where it enables consistent molecular incorporation in target compounds. pH Stability 5-9: 2,4-Diaminobenzenesulfonic Acid Sodium Salt with pH stability between 5 and 9 is used in aqueous dye formulation, where it maintains solution integrity during processing. Particle Size < 100 µm: 2,4-Diaminobenzenesulfonic Acid Sodium Salt with particle size under 100 µm is used in inkjet ink manufacturing, where it facilitates optimal dispersion and print quality. Melting Point 300°C (decomp.): 2,4-Diaminobenzenesulfonic Acid Sodium Salt with a melting point of 300°C (decomp.) is used in high-temperature pigment production, where it prevents premature decomposition and ensures process safety. Solubility in Water >50 g/L (25°C): 2,4-Diaminobenzenesulfonic Acid Sodium Salt with water solubility greater than 50 g/L at 25°C is used in textile dyeing baths, where it allows rapid and uniform dissolution for homogeneous dye uptake. Stability Temperature up to 80°C: 2,4-Diaminobenzenesulfonic Acid Sodium Salt stable up to 80°C is used in chemical reagent preparation, where it guarantees structural integrity under standard heating conditions. Low Iron Content (<0.01%): 2,4-Diaminobenzenesulfonic Acid Sodium Salt with low iron content below 0.01% is used in photographic developer solutions, where it prevents color contamination and image distortion. |
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2,4-Diaminobenzenesulfonic Acid Sodium Salt feels like one of those materials quietly holding up the scaffolding of modern chemistry. On its own, the name probably doesn't mean much to most people, but for folks in dye, pigment, and pharmaceutical sectors, it's familiar territory. This compound shows up as a white to off-white crystalline powder, usually shipped in lined fiber drums for easy handling and longer shelf life. In the right hands, it’s often the humble starting block for bigger, more complex chemical constructions. Its reputation for consistency and reliable purity has given it a strong track record in labs and manufacturing plants.
Putting my feet into the shoes of a formulator or a production manager, I've seen projects hang in the balance over the availability and performance of raw materials like this one. Technical details matter a lot in those situations. The sodium salt form dissolves with ease in water, which matters in settings where time, energy, and safety are always competing for attention. Trying to force a less soluble compound to cooperate only burns extra resources. This compound slides into solution without a fuss, ready to be tailored for downstream uses, and that can mean smoother days and fewer headaches for everyone involved.
Turning to concrete specs, the typical industry model points to a sodium salt version with a chemical formula of C6H7N2NaO3S. Most batches fall within the 97% minimum purity range. This gets checked by manufacturers with a battery of melting point, spectral, and elemental analyses, all of which keep buyers honest and consistent. Checking for moisture content matters, too. Levels usually come in under 1%, which might not sound like a big deal until you’ve handled a batch that soaked up more than its share of humidity. Sticky, clumped-up powders slow everything down, threaten dosing accuracy, and can even throw off sensitive reactions downstream. A proper drum of this stuff pours almost like dry sand.
Batch uniformity sits high on the checklist for those producing specialty dyes and intermediates. This sodium salt carries well into coupler dyes for hair coloring, food colorants, and reactive dyes for fabrics. On the pharmaceutical side, you’ll find it acting as a building block in making sulfa drugs and specialty intermediates—the sort that can’t afford a hitch in preparative chemistry. Any irregularity at this stage risks a whole production run. The performance of this material consistently meets the sort of rigorous standards that regulatory and quality teams live by in these sectors.
Over the past decade, I’ve seen suppliers push for product variations—a sodium-free version here, a potassium variant there—but the sodium salt formulation continues to edge ahead. The underlying reason comes down to a blend of stability, price, and global shelf-life data. Sodium salts just tend to weather tough storage conditions, holding their own against temperature swings and humidity spikes in a way that more exotic forms cannot always guarantee. End users see advantages in cleaner dissolution profiles and less fouling in their processing equipment, too. Little things like fewer clogged pipes or less residue on glassware mean fewer shutdowns or labor-intensive cleanups.
Compared with free acid or ammonium salt options, sodium salt’s water solubility stands out. Large-scale dye houses depend on it because water remains the primary process medium for much of the textile and ink world. Sulfonated acids that resist water only gum up pipelines and drive up costs with extra solvents. When process teams weigh their options, the track record for the sodium salt version means they rarely gamble on unknowns. I’ve watched as supply chain auditors—pressed for both reliability and safety—defaulted to the sodium salt to keep risk low and compliance simple.
Every so often raw material supplies tighten, and the real value of a high-quality lot becomes clear. There are shortcuts that show up in the market from time to time—lower-purity versions, recycled material, or batches using outdated purification methods. In my own working life, I’ve seen how these can turn into expensive distractions. Subpar quality gets flushed out by the analytical team pretty quickly, but the time and money wasted chasing false savings always leaves a mark.
With 2,4-Diaminobenzenesulfonic Acid Sodium Salt, reputation rides on the shoulders of well-documented sourcing, transparent supply chains, and full analytical traceability. Advanced economies with strict import standards, like those in the EU or North America, regularly ask for multi-point testing: heavy metal content, organic residuals, and precise pH. The reliable stuff clears those hurdles with space to spare. End users sleep easier with certificates of analysis backing up every shipment, knowing their regulators or customers won't turn up surprises down the road.
2,4-Diaminobenzenesulfonic Acid Sodium Salt sees a diverse set of applications, especially in dye manufacture and as a precursor for more advanced chemicals. In hair dye, its sulfonic and amine groups set up stable, vibrant color molecules that hang on through washes. Textile operations, always pressed to balance fast processing with good color yield, leverage the solubility profile for less downtime and stronger results on fabric. As a key piece in coupling reactions, it helps generate azo dyes—a group responsible for the vivid reds, oranges, and yellows that dominate industrial palettes. Some ink jet and paper processing plants count on its stability to keep costs in check and avoid unexpected color shifts, both of which eat away at profit margins.
Pharmaceutical batches need ultra-high purity to keep impurities out of finished tablets or injectables. In my time working with development teams, I've watched how quickly a single out-of-spec raw material batch can halt a whole production line. The human and financial costs around a drug recall push most responsible suppliers to over-deliver, not under-perform, on quality here. Labs allying with trusted manufacturers tend to avoid drama later in regulatory submissions or inspections.
Discussions around specialty chemicals can't sidestep environmental responsibilities. 2,4-Diaminobenzenesulfonic Acid Sodium Salt carries a relatively favorable safety profile compared to older, more toxic dye precursors. Being classified with low acute toxicity—assuming good laboratory and plant hygiene—it avoids many of the stricter environmental restrictions drawing scrutiny elsewhere in the chemical world. European markets in particular demand environmental documentation and proof of minimal impact, especially around water solubility and breakdown products. Both regulators and manufacturers have learned from the past—replacing dirtier processes and keeping tabs on the byproducts that can escape down factory drains.
I've been on the receiving end of customer audits focusing especially on waste handling. Suppliers who manage their own effluent and minimize airborne releases earn higher trust from manufacturers downstream, since their operations don’t want to inherit risk through their supply chains. Responsible partners commit to full disclosure of their waste reduction strategies, not only to pass audits but to win back customer loyalty season after season.
Scarcity and supply chain volatility remain real challenges in sourcing specialty chemicals. In periods where demand from textile and pharmaceutical industries spike, or where transport is hampered by political or environmental bottlenecks, both buyers and sellers feel the squeeze. In these moments, knowing your supplier's contingency plans, backup plants, and ability to air-freight or shift stock regionally can mean the difference between hitting delivery targets or leaving plants idle. Smart buyers pay attention to supplier footprints and long-range business continuity plans.
I've learned to favor those vendors who publish transparent production schedules and provide regular inventory snapshots. This habit builds trust, and it helps buyers plan—reducing the mad scramble for stock at quarter-end. Contract agreements locking in both price bands and supply volume offer further peace of mind for buyers running high-value, low-tolerance operations. Chemical distributors who invest in regular audits and real-time tracking add another layer of dependability, keeping everyone on the same page if disruption looms.
Pressure to cut costs shows up everywhere in global manufacturing, but shrewd purchasing teams know the dangers of racing to the bottom. Buying 2,4-Diaminobenzenesulfonic Acid Sodium Salt on price alone can expose the supply chain to inferior product, resulting in failed lots, lost time, and extra costs spent screening out off-spec material. In industries where regulatory fines, brand reputation, or product recalls can run into the millions, the climb back from a single bad decision lingers on for years.
A common-sense approach centers on whole-value calculation. If a cheaper source leads to more downtime, increased testing, or extra cleaning steps, the few cents saved per kilogram soon disappear. That reality gets hammered home with every unplanned plant shutdown or reprocessed lot. From my own conversations with industry veterans, it’s clear that the production managers who last longest always put stable performance a step ahead of headline price. They trust labs and quality teams to keep them honest, and they keep procurement from getting too clever by half.
Some industry insiders keep an eye on novel derivatives and process tweaks—aimed at cleaner synthesis routes or even greener byproducts. The chemistry world changes slowly, though. Step changes tend to come after careful validation, with companies unwilling to gamble production stability for marginal gains. Where 2,4-Diaminobenzenesulfonic Acid Sodium Salt stands out is in how it offers a mix of old-school reliability and a clear trail of documentation, which makes regulatory pathways smoother for new applications.
On the sustainable manufacturing front, leading chemical producers continue to upgrade to closed-loop water systems, improved filtration, and renewable energy sources. Over time, the hope is that every drum and bag gets made, shipped, and used with a smaller energy and water footprint. The best-run plants already collect and reuse much of their wash water, a response to both license regulations and tightening water supply in key manufacturing zones.
A surprising number of buyers and engineers stumbling into their first big chemical order find themselves elbow-deep in technical jargon. The difference between sodium and other salt forms, small as it may look, can trip up even experienced hands. Mistakes slip in when communication blurs between lab, purchasing, and production. Reliable suppliers go the extra mile to provide clear, accessible technical bulletins, not just a data sheet copy-pasted from the catalog.
Technical reps who know their client’s specific process often help troubleshoot solubility or handling issues before they get out of hand. In long-term relationships, this means better performance over time, less wasted material, and real improvement in daily operations. Open lines of communication, frequent training, and even on-site support can smooth out the knowledge curve, letting everyone get the most from their materials spend and avoid surprises that burn budgets later.
International buyers must navigate a patchwork of regulatory codes. 2,4-Diaminobenzenesulfonic Acid Sodium Salt, with its solid safety record and accompanying documentation, finds itself a bit ahead of less-proven alternatives. Comprehensive safety data, certificates of origin, and clear declarations on impurities or allergens maintain compliance with tough North American and European statutes. Many manufacturers now demand full disclosure of synthetic routes and byproduct profiles, prompted by increasing public scrutiny on environmental impact.
From my own work supporting new product launches, I’ve seen how an uninterrupted paper trail keeps launches on schedule and audit teams at bay. In the rare event of a flagged shipment or inspection, the time spent maintaining meticulous files suddenly looks like a smart investment. For companies used to wrestling with outdated or incomplete paperwork, switching to a source that values transparency marks a sea change in day-to-day risk management.
Quality isn’t just measured in parts per million or purity stats—it grows out of real-world habits: clean factories, well-trained techs, and management ready to invest in top-shelf lab equipment. The best suppliers walk plant visitors through their routines, showing not just their spotless floors, but also their approach to batch traceability, repeatability, and cross-department collaboration. From incoming raw stock checks to outbound drum inspections, thoroughness beats speed every time.
Visiting well-run plants, the people making the stuff insist on demonstrated consistency. Any deviation means downtime, and downtime means lost revenue. It’s a truth that matters more now as supply chains run lean, staff hours are tight, and customer orders can shift in an afternoon. Good suppliers carry themselves with the quiet confidence that comes from getting the details right, batch after batch.
Both regulatory demands and public expectation push producers toward safer, more sustainable products. In this field, 2,4-Diaminobenzenesulfonic Acid Sodium Salt offers a step in the right direction—not perfect, but better than legacy compounds. Today’s customers don’t just want to check a box on purity; they want full-cycle answers on sourcing, waste, worker exposure, and shelf life. As industry pressures evolve, those using and making these materials need to stay flexible, open to updated practices, and ready to learn from both successes and near-misses.