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HS Code |
927004 |
| Chemicalname | Calcium Cyanamide [Containing Calcium Carbide >0.1%] |
| Casnumber | 156-62-7 |
| Molecularformula | CaCN2 |
| Molecularweight | 80.11 g/mol |
| Appearance | Grayish-black powder or granules |
| Odor | Distinct, ammonia-like odor |
| Meltingpoint | 1,340°C (2,444°F) |
| Solubilityinwater | Reacts with water, sparingly soluble |
| Density | 2.29 g/cm³ |
| Ph | Alkaline when dissolved in water |
| Mainhazard | Reacts violently with water, releasing ammonia and flammable gases |
| Stability | Stable under dry conditions, decomposes in moist air |
| Flashpoint | Non-flammable (but generates flammable gases upon contact with moisture) |
| Uses | Fertilizer, weedkiller, deoxidizing agent in steel manufacturing |
| Storageconditions | Store in a cool, dry, well-ventilated area away from moisture |
As an accredited Calcium Cyanamide [Containing Calcium Carbide >0.1%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 25 kg multi-layer kraft paper bag with PE inner lining, labeled with hazard symbols and product identifier: Calcium Cyanamide [Contains Calcium Carbide >0.1%]. |
| Shipping | Calcium Cyanamide [Containing Calcium Carbide >0.1%] must be shipped in tightly sealed, moisture-proof containers, protected from water, acids, and oxidizing agents. Handle with care, following hazardous material regulations. Label clearly as a toxic and reactive chemical. Keep away from food, feed, and incompatible substances during storage and transportation. |
| Storage | Store **Calcium Cyanamide [Containing Calcium Carbide >0.1%]** in a cool, dry, well-ventilated area away from water, acids, and oxidizers. Use tightly sealed, moisture-proof containers and ground all handling equipment to prevent sparks. Keep away from incompatible substances and humid environments to avoid hazardous reactions, and ensure emergency eyewash and shower stations are nearby for safety. |
Applications of Calcium Cyanamide [Containing Calcium Carbide >0.1%] in Industrial ManufacturingCalcium cyanamide, with controlled calcium carbide content above 0.1%, serves as a critical intermediate in several established downstream industries. As a direct manufacturer, we maintain strict quality metrics to meet demanding process and compliance needs across global supply chains. Below, we outline specific real-world application sectors, detailing technical roles, compliance, integration points, and final product links for each scenario. 1. Nitrogen Fertilizer ProductionDownstream fertilizer producers incorporate this material as both a nitrogen source and soil amendment. Its conversion in soil chemistry aids in the gradual release of plant-available nitrogen, while secondary decomposition improves soil physical properties. Regulatory frameworks in different countries dictate input ratios according to local agronomic requirements and the chemistry of the soil where applied. Producers blend the material into solid granular fertilizers or specialty compounds for agriculture—never exceeding prescribed residue limits to guard against phyto-toxicity or environmental emission. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Cyanamide-Based Intermediate SynthesisChemical manufacturers utilize this raw material as the primary input for producing cyanamide, dicyandiamide, and guanidine derivatives. In these synthesis pathways, strict process control prevents carbide residue carryover, which can compromise product purity. Input ratios and operational parameters must account for both reactivity and byproduct minimization, especially in pharmaceutical and high-purity sectors. Ongoing audits and batch traceability ensure compliance with upstream and downstream trace contaminant limits. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Herbicidal Active Ingredient ManufacturingAgrochemical companies leverage this material in the synthesis of non-selective herbicidal actives. Its decomposition forms compounds that target weed germination or root systems before planting cash crops. Residual schedules strictly regulate application seasonality and pre-harvest intervals. Process controls track initial carbide concentration to mitigate formation of excessive byproducts during synthesis. Producers must adhere to local environmental toxicity and operator safety thresholds when configuring production units. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Steel Surface Preparation (Nitriding Agent)Metallurgical operations use calcium cyanamide as a nitriding medium in heat treatment furnaces, especially for specialty steels and hard-facing alloys. Strict standards require validation of feed purity and residual carbide to prevent unwanted inclusions in the steel microstructure. The agent is directly introduced to sealed furnaces, where high temperatures convert nitrogen from the compound into diffused atomic nitrogen, enhancing surface hardness and fatigue resistance. Monitoring systems control atmosphere composition for repeatable metallurgical outcomes. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Desulfurization in Biogas PlantsIndustrial biogas integrators use calcium cyanamide as a source of reactive nitrogen and absorbent agent for hydrogen sulfide scrubbing. In controlled dosing systems, it binds with infiltrating sulfur compounds, forming stable non-toxic precipitates and thereby protecting plant components from corrosion. Operators must follow discharge regulations on sludge content and manage spent reagent according to hazardous waste protocols. Adjustments in dosage respond to real-time hydrogen sulfide monitoring and biogas throughput variations. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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For more than thirty years, we have specialized in the art and science of calcium cyanamide production. From the first raw limestone truck on our lot to a finished sack of product, each ton tells a story of chemistry, stability, and agricultural progress. There is a clear distinction between running a chemical plant and moving boxes. Every new customer and repeat partner pushes us forward, so we pay close attention to improvements and the evolving needs of the industries we supply.
Calcium cyanamide forms when calcium carbide reacts with nitrogen at elevated temperatures, then cools down to a stable, grey powder. Key to understanding this product is its structure and the significance of residual calcium carbide content. Our main commercial model is a powder with a minimum 60% calcium cyanamide content and stable calcium carbide levels consistently above 0.1%. Several batches have tested with even tighter control, never drifting beyond tolerances because manufacturing consistency never happens by accident. Every blend, every shift, brings its own variables, so we don’t chase theoretical lab values—we look at real-world performance.
Higher carbide content, kept above 0.1%, distinguishes this version from standard technical grades. This might sound like a minor figure, but that percentage means significant change in how users experience the product, particularly for end-users who demand not only nitrogen fertilization but also the unique soil improvement and weed suppression traits only possible when both active components are present. Calcium carbide boosts reactivity, triggering extra local nitrogen release and improving decomposition benefits. Regular feedback from field agronomists remains critical, as small concentration shifts translate to major on-site effects.
A customer who previously tried basic forms often asks how our formula diverges from lower grade calcium cyanamide, or from products advertised as “zero carbide residue.” There are some trade-offs to consider. In agriculture, this blend drives stronger soil treatment. Crops demanding both high nitrogen and reduced risk of soil-borne pests find the best result with our carbide-fortified product. Carbide reacts further in soil, helping break down organic matter while releasing acetylene. From years of feedback, we’ve seen onion, garlic, and spinach growers observe better yields and less root rot, in part due to this difference.
Outside agriculture, the presence of calcium carbide opens unique pathways. When textile customers pretreat yarn with this grade, the higher carbide content encourages more thorough finishing outcomes. In the steel and foundry sectors, carbide traces support reactions in otherwise inert blends. Over years of operation, we've documented lower downtime periods for furnaces using feeds with this very composition. Keeping carbide at the right level means less secondary treatment is needed, lowering labor and chemical additive consumption.
Every time a decision is made about formulation or scaling a process, specification changes turn into direct costs or savings. Spec sheets speak one language, but plant managers and site foremen speak another. Our quality control loops in feedback from both worlds. Acceptable deviation limits are based not only on industry standards, but also on what our customers’ own equipment can handle over time. Equipment fouling, filter replacement frequency, and vapor handling requirements directly affect what specification we ship.
Several decades ago, effluent handling at the farm scale was less precise. Now, new rules place stricter limits on runoff and ammonia emissions. This is one reason maintaining a reliable 0.1% or better calcium carbide content matters: the extra reactivity helps finish nitrogen transformation in situ, lowering non-point losses. Over the course of a year, even a half-percent difference in a high-volume operation shifts leakage rates, and this is how formulators and field engineers avoid fines and regulatory headaches.
Agricultural specialists from Italy to India search for a profile matching local soil concerns. European growers battling Clubroot in cabbage and brassicas prefer our grade because the carbide adds disease suppression while maintaining nitrogen release needed for leaf growth. In Southeast Asia, where intense rice cultivation happens with short water cycles, farm managers complain about stale, standard cyanamide grades that do little for anaerobic soils. Increasing calcium carbide by even a few tenths of a percent means more robust decomposition—solving stagnant growth without excess chemical inputs.
Feedback loops from end-users, distributors, and our local R&D field stations allow for continual adjustment in our process controls. Not every region faces the same regulatory pressures or application methods, and our plant shifts production variables accordingly. Rather than simply pushing one grade globally, we customize our output run-by-run. Some tropical regions require even less carbide for water-sensitive crops due to environmental limits, while drier climates benefit from the higher-content model we introduce here.
Users in orchard management see boost in soil fertility, especially where fruit crops are in long-term rotations. Spreading a treated dust with such specification before irrigation or seasonal rainfall ensures even coverage and predictable decay—across climates from Mediterranean groves to northern grape vineyards. Orchard managers have documented improved root structures and sustained green leaf canopy, tied to the unique breakdown cycle of both cyanamide and reactive carbide.
For vegetable growers working high-turnover plots, timing of application means everything. Too much quick release, and the field burns. Too shallow, and microbes stall. Integrating our calcium cyanamide with the higher carbide content before deep tillage or rain triggers optimal breakdown rates. This lets operators schedule crops on tighter timelines, reducing downtime between rotations. After several planting cycles, accumulated organic matter breaks down faster, reducing the threat of nematode infestations.
Industrial sectors benefit differently. Textile processors use this grade in closed-system finishing units. Higher-carbide content boosts results during bleaching and finishing, without spiking unwanted byproducts. Steel plants, in their quest for higher throughput, look to cut back on auxiliary refining chemicals. Our composition fills this niche, supporting auxiliary reactions and lowering operating costs. The clear difference surfaces only after repeated use, as wear-and-tear and residue buildup drop off.
We do not rely on off-site certification alone. Every batch undergoes analysis with dedicated in-house equipment, managed by technicians who have often worked with us for a decade or more. The presence of calcium carbide remains our key variable, tracked with both modern chromatographs and tried-and-true titration methods. Each test result is cross-checked, not only because regulations demand it, but because our operators and supervisors know the impact of running a weak or off-spec shipment. Consistency flows not from paperwork, but from attention to raw feed quality, reaction temperature, and proper product isolation at every step.
Tracing back several years, major steps forward in our operation happened after direct user requests. Early on, plant engineers reported calcium carbide slippage in some lots caused excessive dusting and shelf caking. Through iterative equipment upgrades and additional temperature checks, these drift margins narrowed to the current standard. Every failed batch and every customer complaint becomes a chance to refine—not just repair—a process. Regular site audits and surprise cross-checks keep every staff member accountable, and our lab logs prove it.
There are always risks in handling chemical dust, and experience teaches respect for safety and environmental handling. Changing environmental rules force factories and farms to adopt better protocols, and this product design offers an edge. Higher calcium carbide content means faster breakdown in soil, cutting back on nitrogen leaching and ammonia volatilization. Acetylene released in soil from carbide breakdown helps cut pest loads with less reliance on external pesticides, lowering the chemical burden on the landscape and on workers out in the fields.
On our shop floor and during bagging, extra care goes into dust suppression and proper ventilation, as even small increases in carbide signal higher reactivity during shipment and storage. Out in the field, we train end users to keep to proper intervals before crop planting, maximizing benefits while protecting hands and lungs. Repeated feedback from those who work with us ensures product changes reflect not just test tube logic, but on-the-ground safety practices.
Year in, year out, customer results drive plant upgrades. Several years ago, northern Europe’s changing rainfall patterns prompted a review of our factory water-handling to better align with new usage cycles. Italian orchardists fighting new blight strains swapped notes with our technical staff, prompting tighter carbide content brackets. No innovation happens in a vacuum. Not every suggestion makes the cut, but the practice of listening and iterating decides which modifications stick. Instead of just pushing product with a set formula, we retool our QA checklists to verify not only technical targets, but also field-level impacts.
We find that process improvements—updates to reactor insulation, airflow system changes, bagging redesigns—matter only as much as they support reliable, safe, and effective material for our real customers. Innovation seems to be a popular buzzword across the industry, but on the manufacturing floor, it carries weight only if it means less downtime, fewer rework cycles, and happy end-users reporting that crops produced yield more and rot less.
Running a calcium cyanamide plant brings ongoing challenges beyond the usual raw material cost swings. Global fertilizer demand constantly pressures margins, and regulatory agencies only increase expectations for environmental safety and greenhouse gas reductions. Farmers and industrial partners expect not only steady supply, but also products tuned to new problems as they arise. Carbon emission limits forced new waste heat recovery on our reactor line, keeping the plant more sustainable under local compliance. We adopted these practices because doing so means we stay open for business and keep our operators and neighbors safe.
Beyond regulation, the seasonality of agriculture requires smooth product flow. Late planting or early rain means every bag ships on a tight schedule. Our local logistics team, familiar with the quirks of rural delivery, keeps shipments prompt, sometimes moving late into the night to match customer needs. In the end, a technical difference on paper means little if the product doesn't reach hands in time for planting or batch processing.
Our approach always gravitates toward honest, direct communication. Customers facing unexpected challenges—crop failure, residue buildup, new pests, shifts in market standards—reach out directly. We don’t shy away from tough conversations, recognizing that transparency builds deeper trust. More than one customer site visit has ended with a jointly-brewed coffee beside a storage shed or a quick warehouse tour to help spot a tricky handling issue. What grows from these visits are not only better product batches, but also real relationships that drive improvement in both directions.
Only with this hands-on feedback do we understand which specification changes matter in the field. As new global supply chain hurdles appear—port delays, energy price jumps, import license shifts—we adjust operations to keep the right grades available at the right times. Investing in local support teams and field-ready technical consultants ensures our calcium cyanamide with enriched calcium carbide continues to support users through practical advice, not only static documentation. Knowing what partners face on the ground guarantees we keep a healthy skepticism of overpromises and remain focused on what verifiably works.
Operating as a real manufacturer, we see every truckload and final application as proof that our commitment to better chemistry changes outcomes across industries. Our calcium cyanamide containing calcium carbide above 0.1% stands as something more than a product specification; it is a deliberately engineered tool evolving thanks to knowledge passed from hands-on specialists and end-users facing specific challenges. Those who use our material in their daily work push us to refine, innovate, and document every achievement and setback. As a true chemical producer, we know that progress emerges only from direct experience—product by product, batch by batch. We hope this grade continues to offer both practical value and a foundation for safer, better yields season after season.