pyridine, 3-hydrazinyl-, hydrochloride (1:2)

    • Product Name: pyridine, 3-hydrazinyl-, hydrochloride (1:2)
    • Chemical Name (IUPAC): 3-Hydrazinylpyridine dihydrochloride
    • CAS No.: 3419-19-8
    • Chemical Formula: C5H8Cl2N4
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
    • CONTACT NOW
    Specifications

    HS Code

    414860

    Product Name pyridine, 3-hydrazinyl-, hydrochloride (1:2)
    Cas Number 4487-56-3
    Molecular Formula C5H8Cl2N4
    Molecular Weight 195.06
    Appearance white to off-white crystalline powder
    Solubility soluble in water
    Melting Point 235-239°C (dec.)
    Purity ≥98%
    Storage Temperature 2-8°C
    Synonyms 3-Hydrazinylpyridine dihydrochloride
    Inchi Key VWGVZFVRZHUJDT-UHFFFAOYSA-N
    Chemical Structure pyridine ring with hydrazinyl group at position 3, dihydrochloride salt
    Ec Number 224-783-8

    As an accredited pyridine, 3-hydrazinyl-, hydrochloride (1:2) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 100g of pyridine, 3-hydrazinyl-, hydrochloride (1:2) is supplied in a sealed amber glass bottle with a secure screw cap.
    Container Loading (20′ FCL) Container Loading (20′ FCL): 8 MT packed in 320 fiber drums, each 25 kg net. Suitable for safe international chemical transport.
    Shipping Pyridine, 3-hydrazinyl-, hydrochloride (1:2) should be shipped in tightly sealed containers, protected from moisture and air, and kept at room temperature. Transport must comply with all applicable regulations for hazardous chemicals, including proper labeling and documentation. Avoid extreme temperatures, incompatible substances, and ensure secondary containment to prevent leaks or spills during transit.
    Storage Store pyridine, 3-hydrazinyl-, hydrochloride (1:2) in a tightly sealed container, in a cool, dry, well-ventilated area away from incompatible substances such as oxidizers and bases. Protect from moisture and direct sunlight. Keep container tightly closed when not in use and store at room temperature. Follow all relevant safety protocols and local regulations for handling and storage of hazardous chemicals.
    Shelf Life Shelf life of **pyridine, 3-hydrazinyl-, hydrochloride (1:2)** is typically 2–3 years when stored tightly sealed, cool, and protected from light.
    Application of pyridine, 3-hydrazinyl-, hydrochloride (1:2)

    Purity 98%: pyridine, 3-hydrazinyl-, hydrochloride (1:2) with purity 98% is used in pharmaceutical intermediate synthesis, where it ensures high reaction yield and minimal impurities.

    Molecular weight 191.07 g/mol: pyridine, 3-hydrazinyl-, hydrochloride (1:2) with molecular weight 191.07 g/mol is used in heterocyclic compound fabrication, where it allows for accurate stoichiometric calculations.

    Melting point 220–224°C: pyridine, 3-hydrazinyl-, hydrochloride (1:2) with a melting point of 220–224°C is used in solid-phase organic synthesis, where thermal stability prevents decomposition during reaction steps.

    Particle size <20 µm: pyridine, 3-hydrazinyl-, hydrochloride (1:2) with particle size less than 20 µm is used in formulation of fine chemical blends, where uniform dispersion is achieved.

    Stability temperature up to 120°C: pyridine, 3-hydrazinyl-, hydrochloride (1:2) with stability temperature up to 120°C is used in high-temperature coupling reactions, where compound integrity is maintained.

    Aqueous solubility 50 mg/mL: pyridine, 3-hydrazinyl-, hydrochloride (1:2) with aqueous solubility of 50 mg/mL is used in bioconjugation protocols, where rapid dissolution enhances process efficiency.

    Free Quote

    Competitive pyridine, 3-hydrazinyl-, hydrochloride (1:2) prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@boxa-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: sales7@boxa-chem.com

    Get Free Quote of Nantong Acetic Acid Chemical Co., Ltd.

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Pyridine, 3-hydrazinyl-, hydrochloride (1:2): Understanding the Difference Quality Makes

    Our Commitment: Upstream Control and Traceability

    It’s easy to overlook the impact that raw material integrity has on advanced chemical synthesis. Working directly in the production of pyridine, 3-hydrazinyl-, hydrochloride (1:2), we see every day how quality at the core determines downstream outcomes for our partners in pharmaceuticals, agrochemicals, specialty materials, and diagnostics. Our approach starts long before the first batch leaves our reactors. Every lot of 3-hydrazinylpyridine dihydrochloride we ship comes from a controlled process. We don’t just buy from upstream, we manage the catalyst selection, batch purification, and particle sizing. This hands-on oversight means researchers and manufacturers get consistent reactivity and reliable performance.

    In our manufacturing facility, daily production doesn’t rely on guesswork or uncontrolled variables. We select raw pyridine streams after testing for trace impurities. Our teams run batch-scale synthesis with close attention to hydrazinolysis conditions, carefully monitoring temperature profiles and pH. Environmental controls rule out the contamination risks that often haunt third-party sourcing. At every step, we document process adjustments and real-time analytics. This brings a transparency that supports both regulatory inquiries and R&D optimization on the client side. In an industry where even minor contamination derails synthesis and inflates costs, this kind of precision is not a luxury—it’s essential.

    Specifications That Go Deeper Than Purity Numbers

    Most chemical outlets stop at listing the percentage purity on the certificate of analysis. We don’t shy away from the details. Extensive HPLC, NMR, and titration checks make up the backbone of our quality model, not just a pass-fail flag. On every drum, expect to see narrow particle distribution, moisture levels monitored to the ppm, and impurity mapping that accounts for all typical side products. Our standard pyridine, 3-hydrazinyl-, hydrochloride (1:2) exceeds 98.5% by HPLC assay, but that number alone never tells the whole story.

    Analytical reports from our in-house team pick up trace levels of inorganic counterions, with chloride:hydrazinyl stoichiometry checked batch by batch. We’ve run head-to-head reactivity trials comparing our product to samples from bulk vendors in Eastern Asia and Europe. In Suzuki, Buchwald-Hartwig, and diazotization protocols, our customers report tighter yield distributions and fewer side reactions driven by residual amines or oxidized byproducts. Where others may skirt by on “technical grade” loopholes, we stand by an advanced purification sequence that pulls out not just pyridine-N-oxide, but low-level nitriles and color bodies, too.

    Why Manufacturers Notice the Difference Under Real-World Conditions

    Procurement managers and R&D chemists often complain about batch-to-batch coloration, filter-clogging particulates, or unexplained off-odors in hydrazine derivatives from some generic providers. Cutting corners in the scale-up phase leads to longer dissolution times and re-filtration, all of which eat up man-hours and risk lost yields. We’ve tackled these issues by investing in closed-system drying, silica-based scrubbing, and vacuum-packing to preserve color and solubility right up to point of use. There’s nothing theoretical about this—it’s feedback gained through decades of partnership with synthesis groups who actually use the product, not just market it.

    It’s common for buyers to assume all lots on the market meet basic solubility and color specs. In the case of pyridine, 3-hydrazinyl-, hydrochloride (1:2), particle-size tuning delivers faster dissolution and less foaming—directly reducing downtime during batch loading or dilution. Contract labs relying on high-throughput screening demand that the material dissolve without granular residue; getting this from every bottle, every time, builds confidence for scale-up and manufacturing QA. We maintain this consistency by blending only finished lots that have cleared a full suite of spectroscopic and gravimetric controls.

    Applications and End-Use Insights From the Source

    Pyridine, 3-hydrazinyl-, hydrochloride (1:2) designs space for molecular assembly in diverse projects. Those working in the field already know its mainstay role as an intermediate in synthesizing triazole and pyrazole ligands, heterocycle production, or pharmaceutical lead optimization. In more advanced protocols, the hydrazinyl group enables rich transformations: cyclization, diazotization, and reductive amination. We often get technical feedback from teams running metal-catalyzed cross-coupling, reporting that clean hydrazinyl starts eliminate signal noise in NMR and reduce post-reaction purification.

    Batch consistency means more to scientists chasing single-digit yields on high-value transformations than it does to those in low-stakes commodity syntheses. This knowledge comes straight from watching real production lines and hearing from R&D groups who use our material to synthesize kinase inhibitors, nitrogen-rich colorants, or advanced organic sensors. The smallest variations in chloride salt content or trace metal background can skew final product purity, throw off mass balances, or generate false positives in biological screens. Teams working with highly sensitive pharmacophores, where downstream hydrolysis or salt-swap steps play a role, depend on raw material regularity. In these settings, we tighten our focus on every ton shipped by correcting for observed deviations on the next production batch.

    Standing Apart: Manufacturer Versus Market Merchant

    Chemists contacting us increasingly ask about sourcing: did this batch come through a double-repacked channel, or from a facility directly tied to the process? As the actual production house, our answers lie in lot records, not in paperwork passed between trading desks. Unlike many distributors, we can step onto our own reactor floor and show visitors where every kilo of pyridine, 3-hydrazinyl-, hydrochloride (1:2) begins and ends—down to the drum and shift.

    The reality with third-party vendors is straightforward: after the first pass through customs or a regional warehouse, origin and handling often fade. We’ve seen documented cases where yellowing, packing moisture, or even label errors slip into the mix, causing misfires in downstream QC and regulatory hurdles that nobody wants. Having experienced this first-hand as a contract manufacturer for global diagnostics labs, we made a choice to tie every lot directly to its reactor. Production logs document the use of deionized water, the pass/fail on raw hydrazine source checks, filtration timing, and critical endpoint analytics for each lot. This documentation can be accessed directly in response to regulatory reviews, giving our clients full transparency and peace of mind during audits.

    Having hands on the process, we also adapt faster to feedback. When a biopharma group needs lower residual chloride for a new route, we adjust our ion-exchange parameters in the next campaign. If a dye house flags filterability issues, our process teams run side-by-side drying trials. Traceability from source to finished lot means real change can be implemented before the next shipment, not after months of back-and-forth with an intermediary.

    Challenges and the Solutions We Keep Developing

    The path from specification to finished product never runs without hurdles. Real-world manufacturing at the kilogram to multi-ton level exposes impurities, shifts in process kinetics, and, occasionally, batch-level surprises not always obvious at benchtop or pilot scale. Residual hydrazine impurities, for example, have caused “ghost peaks” in HPLC readings for many third-party products. Through direct process tweaks—heat ramp control, additional carbon filtration, and nitrogen-blanketed crystallization—we’ve reduced these to below method detection limits for those clients running sensitive analytics.

    Bulk orders, by their nature, also carry their own headaches: caking, bridging, and even static charge buildup during bagging. We run continuous trials to minimize these packaging traps, switching to multi-layer anti-static liners and nitrogen-flushed barrels instead of relying on basic plastic or craft paper bags. Each change comes from direct client requests tied to their process pain points, not from generic advice given by global chemical associations.

    Commercial buyers point out the importance of custom packaging for pilot plants and automated dosing systems. We offer size options down to small packs for analytical use right up to lined drums for large-scale synthesis. Since we control fill lines inside our own QC room, changes like reducing net weight variation or tailoring moisture control get actioned in real time. We don’t outsource these operations, so documentation and corrective action flow directly between the lab, packaging line, and account support.

    How Our Process Experience Influences Product Differences

    Production scale and method play a decisive role in the material that reaches labs and plants. Our approach uses a closed-loop, reactor-based system for hydrazinolysis, as opposed to the open-batch drum mixing common among price-driven importers. This gives real leverage over side reactions and batch-to-batch heading. Column chromatography and recrystallization still matter, but our monitoring keeps impurity accumulation in check before it ever reaches the purification phase, reducing clean-up load and waste disposal costs.

    Some regional players rely on high-throughput but low-control manufacturing to keep costs low. We’ve chosen a different path, opting for more automation, stepwise lot sampling, and redundant trace metal screens, even if throughput comes down a notch. For end-users, this delivers faster dissolution times, lower ash content after combustion, and a color profile that matches the spectral purity targets published in leading journals. Our in-house expertise translates to less time spent troubleshooting feedstock, and more time optimizing synthesis or product formulation.

    Working alongside clients developing emerging pharmacological targets, our chemists fine-tune hydrazinyl-pyridine lots for new regulatory and therapeutic demands. This means watching for controlled substance thresholds, carefully reporting DNEL and REACH status, and making SDS changes to reflect evolving limits. It’s not just about passing audits—media coverage of pharmaceutical recalls tied to inconsistent raw materials only underscores how important direct manufacturing control really is.

    Market Movement and Global Chemical Supply Chain Insights

    Pricing and availability on specialty pyridine derivatives have shifted over the past few years with regulatory updates, supply chain delays, and environmental controls ratcheting up in major producer countries. Early in the pandemic, we saw how quickly border closures and shipping bottlenecks could grind timelines to a halt. Being able to redirect sourcing to our own production lines, and shorten lead times through local stockpiling, carried our partners through stormy periods. Shipments weren’t dependent on third-party schedules or promises.

    Shifting quality standards from global regulatory bodies—like new ICH guidelines for trace contaminants in pharmaceutical precursors—have pushed many buyers away from “good enough” bulk intermediates toward traceable, audited origins. As a result, we continue investing in batch analytics, onsite pre-shipment inspections, and voluntarily expanded stability trials. This approach anticipates not only where the market is, but where it needs to go, in order to keep clients compliant and productive through the next round of regulatory updates.

    With every major market upturn or disruption, we’ve seen calls rise for tighter delivery windows and tech support for scale-up. Our site-based support pairs production chemists and packaging specialists with every customer file. No need for generic email replies—we solve process questions with face-to-face or real-time calls, not just ticket responses routed through a chain of distributors.

    Lessons Learned: Supporting Transparency, Safety, and Innovation

    Experience teaches that trust in raw material quality comes from consistency, openness, and real engagement with end-use challenges. Vendors who handle only logistics or paperwork lose sight of this; they miss subtle but critical factors like microbiological risk, temperature cycling, or intermediate storage pitfalls. Our role as the manufacturer brings a responsibility to support both safety and innovation.

    As testing requirements shift and application fields grow, we’ll keep investing in advanced analytics and real-time shipment tracking. Our facility runs annual customer audits, open process walkthroughs, and prompt corrective action logs—pathways that aren’t achievable for third-party traders working through opaque suppliers. We do this because our reputation follows every shipment; we can’t afford to offload accountability, and neither can our clients.

    Pyridine, 3-hydrazinyl-, hydrochloride (1:2) may look interchangeable between catalog numbers and spec sheets, but direct feedback from field chemists continually confirms the edge that comes from vertical integration: less downtime, clearer analytical data, and leaner downstream processing. As makers at scale, the lessons we gather go straight into each production run—helping us and our partners keep moving science forward, batch by batch.