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HS Code |
712234 |
| name | 1,3-Benzenediol |
| synonyms | Resorcinol |
| chemical_formula | C6H6O2 |
| molecular_weight | 110.11 g/mol |
| CAS_number | 108-46-3 |
| appearance | White crystalline solid |
| melting_point | 110 °C |
| boiling_point | 281 °C |
| solubility_in_water | Soluble |
| density | 1.28 g/cm³ |
| odor | Slightly sweet |
| pKa | 9.38, 11.10 |
| flash_point | 127 °C |
| hazard_statements | H315, H319, H317 |
As an accredited 1,3-Benzenediol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a tightly sealed amber glass bottle containing 500 grams of 1,3-Benzenediol, labeled with hazard warnings and handling instructions. |
| Shipping | 1,3-Benzenediol (Resorcinol) must be shipped in tightly sealed, properly labeled containers, protected from light and moisture. It is typically classified as a hazardous material and should be handled with care. Shipping must comply with regulations such as DOT, IATA, or IMDG, ensuring secure packaging and appropriate transport documentation. |
| Storage | 1,3-Benzenediol (resorcinol) should be stored in a tightly closed container in a cool, dry, well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers. Protect from light, moisture, and excessive heat. Use secondary containment if possible, and clearly label the storage area. Always follow appropriate safety protocols when handling and storing this chemical. |
Applications of 1,3-Benzenediol in Industrial Manufacturing1,3-Benzenediol, also known as resorcinol, serves as a critical intermediate in numerous industrial value chains. We supply high-purity material to downstream manufacturers who rely on its specific reactivity, regulatory compliance, and batch-to-batch consistency for regulated and performance-based end products. Below, we highlight primary sectors where our material integrates into established process routes, aligned with global compliance, precise dosage demands, and defined output profiles. 1. Rubber Chemical Synthesis for Tire ManufacturingLeading tire producers use 1,3-Benzenediol in the synthesis of adhesion promoters, where it supports bonding between rubber compounds and reinforcing textile or steel cords in high-performance tires. Batch process plants incorporate it at the stage of producing resorcinol-formaldehyde resins, which subsequently enter the rubber compounding phase. Meeting the physicochemical requirements of critical tire matrices, the raw material’s purity grade and trace residuals fall under strict supply chain audit and verification frameworks demanded by international tire brands. Industry compliance standards
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2. UV-Absorber Manufacturing for Plastics AdditivesPolymer additive producers incorporate 1,3-Benzenediol in the synthesis of benzotriazole-based and benzophenone-based UV-absorbers, which protect plastics from degradation during outdoor exposure. The integration typically occurs via proprietary condensation or cyclization pathways, with the raw material entering as a nucleophilic precursor. Downstream users require analytical documentation to comply with migration limits in sensitive packaging and consumer articles. Industry compliance standards
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3. Hair Dye Intermediate in Cosmetic IndustryCosmetic formulators use 1,3-Benzenediol as an oxidative color precursor in permanent hair dye formulations, regulated under strict health and safety legislation. The ingredient enables stable bridging between developer solutions and dye couplers, creating a range of brown and black shades. As downstream manufacturers operate batch or continuous blending systems, our material’s standardization for low heavy metal impurities and trace solvent content ensures process yield and finished product compliance. Industry compliance standards
Typical usage ratio
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4. Pharmaceutical API Intermediate: Antiseptic & Dermatological ActivesDrug substance manufacturers source 1,3-Benzenediol as a key precursor for antiseptic and topical pharmaceutical actives, including the synthesis of resorcinol-based APIs registered in multiple jurisdictions. The process typically involves nitration, halogenation, or etherification at designated reactor stages, requiring tight in-process control of material specifications and impurity profiles. We certify our product to pharmacopeial standards, supported by validated supply chain traceability for finished medicine applications. Industry compliance standards
Typical usage ratio
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5. Specialty Adhesive and Resin Modifier for Wood ProductsManufacturers in the wood composites industry utilize 1,3-Benzenediol to produce resorcinol-phenol-formaldehyde resins, which provide water and weather resistance in exterior-grade engineered wood. The raw material is blended and reacted with phenol under alkaline conditions, preceding the resin’s use in high-pressure lamination or adhesive application lines. Downstream QC monitors trace levels of free monomers to maintain certified low-emission products. Industry compliance standards
Typical usage ratio
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Every batch of 1,3-Benzenediol that leaves our facility results from years of accumulated production expertise and process refinement. We understand that end-users require both high purity and lot-to-lot consistency, and nothing less will do. Our team follows strict process control, using a well-established synthesis route that consistently produces 1,3-Benzenediol with minimal impurities. The typical appearance of our finished product stands as a white to off-white powder, which users in different sectors recognize for its reliable handling characteristics and ease of storage.
Through careful selection of raw materials and closed-system synthesis design, we minimize moisture introduction and reduce byproduct formation. These steps significantly enhance shelf life and stability, traits that customers notice the moment they begin using our product in their own processes. Inspection protocols include detailed chromatography at every critical stage. We do not release any product unless it meets pre-determined benchmarks for purity, moisture, and trace contaminant profile.
We run our main product line at a minimum of 99% purity, which meets or exceeds requirements in high-value applications like active pharmaceutical ingredient synthesis and specialty polymers. Over the years, we have also invested in infrastructure to support additional grades, based on customer requests. Some users involved in performance coatings need material with different particle size specifications, or lower trace metal content, especially where downstream sensitivity to metals can impact finished product color and properties. For these requests, we employ further purification and milling steps, adapting our process and QA methods to ensure that any batch supplied under a unique code maintains its reliability.
Our packaging reflects hands-on feedback from regular large-scale operators. Small lab packs and industrial drums feature tamper-evident seals, moisture barriers, and clear batch traceability. This attention to detail arises from firsthand experience: contaminated or mislabelled raw material disrupts entire runs, wastes time, and escalates costs. Our own downstream teams rely on these protections, which drives us to apply the same care across all shipments.
1,3-Benzenediol, known also as resorcinol, acts as a building block that shows up across many critical sectors. In adhesives, our product goes into the manufacture of resorcinol-formaldehyde resins, which deliver strong bonding in industrial settings such as tire reinforcement fabric and wood lamination. Many of our customers in this area report that the mechanical strength of their final product often depends on even minor impurities in the diol raw material. Our records show that higher purity diol correlates directly with resin cure speed, heat resistance, and bond durability, providing direct value to end-users.
In pharmaceuticals, 1,3-Benzenediol serves as an intermediate for several key compounds. Process reliability becomes vital for regulatory and practical reasons. Our documentation trails and batch sample retention mean that if an issue ever arises with a finished end-product, both we and the customer can trace every lot used in their process. Most generic producers and innovators alike mention this transparency as a core reason for sticking with our supply pipeline. The base product enters other specialty chemical manufacture, such as UV absorbers, light stabilizers, and photographic developers. Each end-use draws on unique attributes of the molecule: its phenolic hydroxyl arrangement, chemical reactivity, and its well-described stability under proper storage.
Over two decades of feedback inform the differences between our 1,3-Benzenediol and generic commodity batches. The most visible difference comes from control of trace contaminants like iron, manganese, or sulfur-containing byproducts. In some markets, producers tolerate visible faint color or off-odor as long as the assay value appears correct. We do not consider such lots suitable for our customers, especially those running large-scale reactors or making products for health care or food-contact usage.
Many commercial sources of 1,3-Benzenediol utilize open batch processing. While the route produces the intended chemical, these methods make it tough to control airborne particulates, atmospheric moisture, or temperature spikes. Our closed design and concentrated post-synthesis purification keep out ambient contaminants. Repeated stability testing confirms shelf life, and we openly share these data with customers, showing no surprises with color drift, caking, or solubility over expected storage time.
Some users ask how our product’s melting point, solubility, or reactivity compare with other suppliers. Our routine batch measurements show melting points that routinely fall within the established literature range. Solubility tests, performed both in water and common organic solvents, bear out consistent results, which matters for batch preparation and downstream mixing. We remain clear with customers—the difference felt in finished end-products often relates more to what is absent (unwanted side-materials, dust, or residual acidity) than to attributes reported in a product spec sheet. Those sourcing our 1,3-Benzenediol often notice the absence of unexpected byproducts, allowing for smoother downstream reactions and easier product isolation.
In our factories, safety and compliance always take priority. 1,3-Benzenediol rates as low-to-moderate hazard when managed with proper PPE and engineering controls. Over years of handling and packaging, our teams emphasize the importance of dust containment, spill cleanup drills, and responsible waste stream management. We follow the full set of international shipping regulations and communicate all hazards, but daily experience teaches more than hazard labels or codes. Quick response and accessible safety training reduce incidents, safeguard personnel, and minimize environmental releases.
Customers in regulated sectors—especially medical and food-contact—often need detailed material traceability, allergen statements, and audited production records. We maintain these records for years, not because regulations require it, but because remedies and customer confidence depend on them. Our own audits include both internal staff and outside experts, allowing us to identify any potential quality drift or procedural gaps before they reach the customer.
Making and supplying 1,3-Benzenediol brings its own hurdles. Raw material volatility, logistics interruptions, and global regulatory shifts test production schedules and inventory planning. In our company, direct purchasing from vetted primary sources gives us resilience against upstream shifts. We keep safety stocks not because of speculation, but because regular plant maintenance and process upsets always arise, sometimes without warning. Many in our industry have learned the cost of running “just-in-time” with no buffer. Our preference remains on physical inventory in local warehouses, not overpromising or stretching thin. This approach kept our shipments reliable during both natural disasters and unforeseen global hiccups.
Quality assurance does not end at the factory gate. Cross-border shipments of 1,3-Benzenediol attract regulatory attention, often with evolving requirements (such as new GHS labeling, updated customs declarations, or periodic restrictions tied to market abuse concerns). Dedicated logistics and regulatory staff work directly with customers to anticipate and respond to such issues before goods ship. Practical experience with these processes, including thorough documentation preparation, makes the difference between smooth delivery and regulatory delay.
1,3-Benzenediol tolerates moderate conditions, but practical experience teaches that sealed storage in cool, dry, and shaded areas best preserves its performance. Exposure to open air or humid environments can cause caking and even color change, though not always immediately. A clean, lined warehouse with regular temperature monitoring and desiccant backup makes a difference over months of storage. Bulk users often choose to refill hoppers and reaction vessels under local exhaust ventilation; fine dust, as with many organic powders, disperses easily and calls for basic dust control measures.
For those scaling up from laboratory to pilot or production runs, gradual charging of the diol into solution avoids oversaturation and clumping. Operators share with us that pre-wetting the powder leads to better mixing and shorter dissolution times, especially in process water or alcohols. We have documented incidents where shortcuts, such as thermal shock or dry-powder slurrying, resulted in partial dissolution and downstream residues, which can compromise process yield or filterability.
Our product development efforts reflect customer experiences, not abstract standards. The most significant improvements in our 1,3-Benzenediol production came after hearing direct feedback about filter blockage, stability, and packaging design. By working with both global corporations and local formulators, we observe trends before they become industry standards. We track common issues, like instability complaints from certain geographic zones, requests for recyclable packaging, or inquiries regarding alternate grade options.
User feedback led us to invest in new equipment for finer milling and to introduce alternate pack sizes, reducing both product loss and waste. These lessons shape our batch-sizing, scheduling, and packing solutions. Experience shows that packaging failures—ruptured bags, unsealed drums, inaccurate batch numbers—rank among the biggest risk factors for contamination. To address this, we switched to multi-layer laminate liners and updated our labeling systems for instant barcode scanning and error-proofing in inventory management.
Environmental responsibility lies at the foundation of each production decision. We treat process effluents using both physical and chemical treatment stages, ensuring our discharge standards match or exceed both regional and international guidelines. On a practical level, recovering and reusing process solvents not only lessens costs but significantly reduces the plant’s overall carbon profile. Spent process solutions, once regarded as waste, now enter a reclamation loop, further reducing external disposal needs.
Sourcing green energy, deploying energy-efficient reactors, and adopting closed-loop solvent handling illustrate our belief in practical solutions rather than promotional statements. Our own experience proves that sustainable operations lower both environmental risks and cost overruns. By tracking energy and waste streams at each manufacturing stage, we target waste minimization at the source.
1,3-Benzenediol adapts to a surprising diversity of downstream chemistries. Users in rubber chemicals draw on its reactivity to strengthen bonds in resorcinol-formaldehyde-latex systems, while others deploy it as an intermediate in flame retardant and UV absorber development. Some formulators tell us they value the consistent moisture and low ash content of our batches to reduce variability in their continuous processes.
Photographic, cosmetic, and agrochemical applications call for extra attention to the impurity profile. In these cases, the lower the trace metals, the less risk of color instability or allergenic byproducts. We accomplish these results through staged purification and closed-system material transfers. Years of trial-and-error have demonstrated that product purity above 99% raises yields and curtails off-spec rework, which leads to both lower manufacturing costs and greater customer satisfaction.
The chemical industry faces a constant push for tighter specifications, regulatory assurance, and extended shelf life. Manufacturers who build adaptability into their supply chain and production assets tend to outperform peers during market shocks. Our forward planning takes into account seasonality of raw material sourcing, necessary safety inventories, and contingency supply agreements.
We also invest in training and staff continuity, knowing that operator experience remains a key factor for quality and safety in specialty chemical production. The greatest improvements in our output have always followed from staff-led suggestions, informed by hands-on experience. As regulations and customer needs evolve, so too does our approach—with incoming customer inquiries channeled rapidly into process improvement trials and risk assessments.
End-users today demand more than just stated assay numbers on a datasheet. Site visits, product history reviews, and open dialogue about production practices form the basis for ongoing customer relationships. Our willingness to walk visitors through each stage of production, demonstrate real batch traceability, and discuss both capabilities and limitations has set us apart from less forthcoming suppliers.
In complex supply chains, integrity means confronting issues as they arise—whether documentation discrepancies, minor appearance drift, or unexpected particle-size problems—by offering swift resolutions and candid explanations. We credit our success to a policy of zero-excuses transparency, informed by the hard lessons of real-world plant operation. This approach builds lasting partnerships and reduces the hidden risks that accompany “anonymous” bulk supply.
In every sector where 1,3-Benzenediol finds use, the line between production-scale chemistry and finished product quality runs straight through raw material integrity. Over years, we have traced specific quality issues—such as variable adhesive curing, off-color resin, or inconsistent pharmacological profiles—back to minute differences in upstream input. Reliable quality from the manufacturer means fewer surprises, greater process efficiency, and improved safety in the factory and downstream environments.
Our commitment to continuous improvement comes from firsthand experience: after encountering disruptions from market supply gaps, we structured our operations to handle both normal growth and short-term volatility. Investment in analytical equipment, rigorous staff training, and flexible logistics all converge on a single point—ensuring every customer can depend on our 1,3-Benzenediol to deliver, batch after batch, without compromise.