| HS Code | 528499 |
| Chemical Name | Azulene |
| Molecular Formula | C10H8 |
| Molar Mass | 128.17 g/mol |
| Appearance | Dark blue crystalline solid |
| Melting Point | 99-100°C |
| Boiling Point | 242°C |
| Solubility In Water | Insoluble |
| Solubility In Organic Solvents | Soluble in ethanol, ether, and benzene |
| Odor | Aromatic |
| Density | 1.07 g/cm³ |
| Cas Number | 275-51-4 |
| Structure | Nonbenzenoid aromatic hydrocarbon |
| Uv Absorption Maximum | about 580 nm |
| Origin | Naturally occurs in some plants and chamomile oil |
| Color | Blue |
As an accredited Azulene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Azulene is packaged in a 25-gram amber glass bottle with a secure screw cap, labeled with product name and hazard information. |
| Shipping | Azulene should be shipped in tightly sealed containers under ambient temperature, avoiding exposure to light and moisture. It is typically classified as non-hazardous, but care should be taken to prevent spills. Ensure compliance with local and international regulations for chemical transport. Packaging must protect against breakage and leakage during transit. |
| Storage | Azulene should be stored in a tightly closed container, away from light and moisture, at a cool, dry, and well-ventilated place. It should be kept separate from oxidizing agents and sources of ignition, as it is combustible. Appropriate chemical storage protocols and personal protective equipment (PPE) are recommended to prevent contamination and ensure safe handling. |
Azulene, a naturally derived, deep-blue aromatic hydrocarbon, finds its place as a specialty additive in multiple regulated industrial sectors due to its anti-inflammatory, soothing, and antioxidant properties. Our production ensures consistent quality suited for downstream formulation, empowering customers to meet sector-specific performance and compliance requirements. Presented below are real-word application scenarios, each with unique compliance, dosage, processing, and finished product parameters relevant to industrial B2B users.
Pharmaceutical manufacturers include azulene as an active ingredient in topical ointments and gels, leveraging its anti-irritant properties during the formulation of external medicines for skin irritation, burns, or dermatitis. Experiments determine the precise inclusion level based on therapeutic need, while regulatory review ensures compliance with pharmacopeial standards. Azulene typically disperses into semi-solid bases post-melting or mixing, following GMP-regulated batch compounding procedures.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Leading cosmetic manufacturers utilize azulene in skin care and after-shaving products to impart calming and soothing effects while visually indicating product differentiation through its characteristic blue hue. Brands select its concentration after compatibility tests with other active agents and emulsifiers. Azulene enters the emulsion or surfactant blend during the oil phase of batch mixing in closed-system reactors subject to ISO and GMP quality environments.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Oral hygiene product manufacturers select azulene to deliver mild anti-irritant and anti-inflammatory effects in mouthwashes, oral gels, and toothpastes, specifically formulated for sensitive or inflamed mucosa. Regulatory status mandates strict quality documentation and traceability. Azulene is dissolved in aqueous or hydroalcoholic solutions during the secondary compounding phase, including in-line blending or tank-to-tank transfer within HACCP-validated and GMP-controlled environments.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Veterinary pharmaceutical and dermatology producers incorporate azulene in topical and oral solutions for animals to reduce skin irritation and manage minor wounds or post-procedural inflammation. These specialized applications require batch traceability and sector-specific GMP validation. The active enters either the oil base for ointments or the aqueous phase of suspensions and is further emulsified in automated mixers, followed by pharmacopeial release tests for purity and homogeneity.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Specialty soap and bath manufacturers add azulene for its skin-soothing and visually distinctive properties, utilized in high-value artisanal and industrial cleansing products. The compound is introduced during the post-saponification or cooling stage, ensuring preservation of functional activity and uniform blue coloration. Compliance with surface application standards and allergen labeling laws remains mandatory in most markets, verified through in-house and third-party testing.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Manufacturers of lubricating gels and coatings for medical devices opt for azulene to impart mild anti-irritant properties, especially in catheter gels and surface-coated tubes. Stringent GMP and ISO 13485 systems regulate process integration, with formula adjustments based on device contact type and duration. Azulene addition typically occurs during the compounding of water-based gels or as part of aqueous-phase dispersions in continuous mixing systems validated for medical device use.
Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
Competitive Azulene prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Azulene stands out as a naturally derived aromatic hydrocarbon with a history stretching back several decades in industrial chemistry and research. Its vivid blue color gives the compound instant recognition — that strong sapphire hue reflects its unique structure, entirely different from the pale yellow appearance found in many other cyclic hydrocarbons. We have spent years refining the process of extracting and purifying Azulene, making sure its distinctive properties carry over batch to batch.
Our Azulene comes in two main specifications: purified natural Azulene, typically sourced from steam distillation of guaiacwood oil or chamomile, and high-purity synthetic Azulene, prepared through laboratory synthesis for clients demanding greater control over structural integrity. Across different applications, consistency in melting point (spiraling around 99°C), solubility profile, and optical absorption offers customers an unwavering experience. Unlike many third-party sellers, as the original manufacturer we guarantee traceable sourcing, careful analytical follow-through, and accurate certificates of analysis for each production run.
Years in chemical manufacturing have taught our team not to view purity or content as abstract promises. Instead, precise control at each production stage allows us to respond swiftly to issues in color intensity, residual solvent, and contaminant content. Laboratories and industrial users often share concerns about batch deviations or minute contaminants impacting sensitive uses. To address this, we dedicate significant engineering and analytical resources to minimize inconsistencies, achieving tighter margins of purity and color strength than typical distributed products.
Because our production starts from raw botanical material or controlled synthetic intermediates, we maintain oversight from the earliest stage. This means there is no risk of hidden dilution or substitution that often haunts loosely monitored supply chains. Clients in perfumery, pharmaceuticals, and specialty ink manufacturing regularly cite an observable difference in product performance and shelf life when switching to our Azulene after difficulties with other sources.
Azulene doesn’t share its deep color with most aromatic hydrocarbons. Its fused five-seven ring system, which differs from benzene’s symmetrical six carbon ring, imparts exotic electronic structure. This impacts its UV-Vis absorption and marks it as a standout in both spectroscopic and formulation work. That odd molecular backbone also underpins its anti-inflammatory properties, sought after in topical and cosmeceutical formulations.
We have handled hundreds of questions from research chemists and formulation scientists on Azulene’s stability under light, heat, and oxygen exposure. Not all azulenes behave identically, especially across regions or grades on the market; both purity and careful handling make a clear difference. Over repeated production cycles, we've improved our distillation and storage techniques to minimize degradation, loss of color, or unwanted byproduct formation. Real-world users have found that ounces of prevention taken during filling and storage deliver more reliability and make downstream formulation much smoother.
Our Azulene finds its way into several specialized markets. One of the most vibrant uses is in personal care, where formulators prize its calming and soothing properties for skin creams, post-shave products, and anti-irritant solutions. Compared with synthetic dyes or unrelated extracts, our grade retains true color and biocompatibility, helping customers avoid regulatory headaches tied to contaminants or unstable compounds.
Beyond skin care, thermal stability makes Azulene a candidate for inkjet formulation and specialty pigments. We have collaborated directly with customers requiring tight batch reproducibility, as ink manufacturers cite shifting color and print quality when supplied with off-standard azulene. Unlike some industrial colorants that slowly fade or disperse poorly, a pure batch of Azulene rewards the customer with years of intensity and nuanced color effects without clogging or separation.
It’s also no secret that researchers in medicinal or fragrance chemistry appreciate Azulene’s role as a marker compound, reference standard, and specialty intermediate. Our samples serve university labs and pharmaceutical companies that demand full transparency and precision for regulatory filings, published studies, or novel synthesis. Those experiences have led us to tighten our process, expand documentation, and build trusted relationships with professionals who rely on data, not marketing, to make decisions.
As direct manufacturers, we recognize how quickly minor differences in ingredients can cascade into costly quality control failures. Our staff walks the factory floors daily, cross-checking analytical and sensory results at each stage. This regular, transparent oversight goes far deeper than what a catalog supplier or third-party warehouse can achieve. Any off-note in color, unexpected residue, or shift in chemical profile flags an immediate pause — we solve the root problem before releasing a single new lot.
Industry regulations and international trade requirements frequently introduce new challenges. We keep our safety documentation and environmental controls up to date, not just to meet the basic compliance barrier but to provide clear, trusted records for every client. Our analytical team leverages experience with gas chromatography, mass spectrometry, and advanced spectrophotometry to verify compliance and anticipate regulatory changes.
In practice, we've seen competitors bring to market colored, semi-pure azulene material that doesn't perform predictably under stress. Laboratories tell us about fading batches or the presence of interfering substances that complicate both routine work and critical studies. In our experience, those problems rarely stem from major contaminants but more often from unmonitored distillation and handling — secondary issues that decent quality assurance would catch early on. We invest more in real-time process monitoring than many non-manufacturing suppliers consider necessary, and those investments show up in lower fail rates and repeat orders.
Azulene presents certain manufacturing challenges, none of which are truly resolved outside of firsthand experience. Temperature and pressure during distillation impact not only yield but color and purity. We have faced years where raw material variation and subtle climate differences required detailed recalibration of every process step. Teams trained to spot tiny differences in hue and viscosity regularly notify us of off-spec material before it leaves inspection.
Moisture and trace oxygen can degrade Azulene, especially in warm, humid environments. We build small but significant differences into our packaging — each drum is filled under nitrogen, tightly sealed, and stored in temperature-controlled spaces. After putting in place stricter packaging controls, we tracked a clear reduction in returns and shelf life complaints from distant customers. These protective steps matter less for short-haul traffic and more for overseas shipping, where even a few days of exposure can lead to lost product value or unexpected laboratory outcomes.
Keeping solvents and residual starting material out of finished product is another ongoing priority. Weaknesses in separation almost always show up too late — in lost yield, broken customer trust, or failed application testing. We maintain high-purity lines and batch tracking at every point. Our technical staff works directly with application chemists downstream, so their real-world concerns — adhesion, colorfastness, long-term performance — feed back into tighter process discipline at home. This forms a loop of trust and adjustment that elevates both product and customer experience.
Azulene’s deep blue comes from its peculiar structure, bridging the gap between scientific rarity and aesthetic value. Unlike more generic dyes, it functions as both a colorant and an active agent in cosmeceuticals, a duality that not many other hydrocarbon family members possess. This distinction drives interest from formulators looking to simplify ingredient lists, combine color with function, and offset the regulatory risks of synthetic dyes classified as potential irritants or allergens.
Years ago, we responded to requests for cleaner, more compliant alternatives to synthetic blue colorants. In every case, the leap to Azulene introduced fewer customer service incidents, supported higher marketing claims for ‘natural origin’, and afforded safer handling margins for formulators. Medical products that need mild, visible ingredients depend on Azulene’s clean record of biocompatibility, while technical users prize its resistance to both oxidation and color breakdown.
Direct comparison with standard-market azulene reveals a few telling points. Many offerings simply blend lower grades with synthetic blue dyes, creating a confusing experience for downstream users. Those products often disappoint once subjected to accelerated aging, thermal cycling, or analytical purity tests. Our in-house expertise supports customers in identifying these common issues and guides them through the decision to upgrade.
We test our Azulene against both synthetic and plant-derived alternatives, finding a more reliable performance under demanding conditions. For instance, pharmaceutical and cosmetic labs consistently report lower rates of irritation, better color stability, and easier compliance clearance with our batches. Because our team possesses the ability to change, monitor, and refine the core manufacturing stages, we offer more than just a commodity chemical — we become part of a transparent supply chain that stands behind its story.
Product traceability sets us apart. As the actual producer, we control and log each step, answering customer queries with data and open records. Technical teams enjoy that direct access when solving application issues. In contrast, altered or blended material passed through multiple trading hands rarely meets that standard and, more importantly, fails to correct course when problems arise.
Customers in perfumery and personal care industries have pushed us to higher purity and stricter quality documentation. When a luxury cosmetic relies on the vibrancy and gentleness of Azulene, brand protection means more than placing faith in a catalog number. To meet those concerns, we collaborated with packaging and laboratory partners from different markets — learning what makes a measurable difference to their end users, not just their purchasing departments.
Technical clients, especially in diagnostics or analytical chemistry, share a different set of needs. For these users, analytical transparency and consistent spectral properties outweigh even cost. Over time, partnerships with leading universities and private R&D labs have helped us build production protocols that answer those demands, including documentation suitable for regulatory audit and precise batch history tracking. These experiences taught us that successful chemical manufacturing depends not just on process accuracy but on clear, honest communication with smart customers.
In the pigment and dye world, color reproducibility and label accuracy remain top priorities. Facing pressure from both regulatory bodies and brand owners, our customers require colorants that will consistently perform. By building analytical reference panels and participating in round-robin interlab testing, we help clients avoid unexpected problems in their own products — reducing downtime, complaints, and the need for remedial color matching.
University and private laboratories choose our Azulene for use as a reference material, a signaling agent, or even a research subject in advanced organic chemistry. Our technical support team assists clients in integrating real-world manufacturing know-how into ambitious research projects, from basic synthesis to pharmacology screening. We answer detailed questions on spectral properties, reactivity, and compatibility — knowledge developed not from reading manuals but from decades of hands-on refining, purification, and troubleshooting.
We share our process data with select partners under confidentiality agreements, accelerating their R&D cycles and building long-term trust. Sometimes, researchers raise requests for custom purification schedules or small-scale derivatizations. As the actual producer, we can say yes to these projects, while middlemen often lack both the expertise and willingness to experiment with novel requests.
Across years of dialogue with academic partners, we’ve adapted to changing requirements, whether tighter impurity levels, alternative solvent profiles, or batch-level traceability. This ongoing exposure to frontline research keeps us sharp and ensures that new applications and safety measures enter our facility before they become compliance mandates.
Producing Azulene isn’t just about extraction or synthesis — it demands close attention to sourcing, purification, quality documentation, and customer application feedback. As direct manufacturers, we have grown alongside the needs of chemical industry professionals, researchers, and product developers. Our perspective, shaped by years of refining techniques and responding to specific customer pain points, has made us confident in the role we play in ensuring reliable supply, high-purity standards, and open technical dialogue.
We believe that hands-on manufacturing, daily process review, and commitment to customer-defined quality make the difference between a commodity azulene and a trusted active ingredient. For all the unique needs across fragrance, personal care, pigment, and research markets, our Azulene answers with reliability, transparency, and a record shaped by real-world feedback. We welcome ongoing conversation, learning, and improvement so every future batch delivers precisely what our customers ask for — not just a chemical, but a promise delivered.