|
HS Code |
165976 |
| Chemicalname | Usnic Acid |
| Molecularformula | C18H16O7 |
| Molarmass | 344.32 g/mol |
| Physicalstate | Solid |
| Color | Yellow |
| Solubility | Slightly soluble in water, soluble in organic solvents |
| Meltingpoint | 204–206°C |
| Casnumber | 125-46-2 |
| Source | Lichens (mainly Usnea species) |
| Odor | Odorless |
| Taste | Bitter |
| Boilingpoint | Decomposes on boiling |
| Ph | Acidic |
| Stability | Stable in cool, dry, dark conditions |
| Density | 1.56 g/cm³ |
As an accredited Usnic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Usnic Acid, 25g, supplied in an amber glass bottle with secure screw cap, labeled with chemical details, hazard symbols, and storage instructions. |
| Shipping | Usnic Acid is shipped in tightly sealed containers, protected from light and moisture. It is typically packaged in glass, plastic, or metal bottles, and shipped as a solid powder. Labels must indicate its chemical identity and hazards. Shipping complies with local and international regulations for safe transport of laboratory chemicals. |
| Storage | Usnic acid should be stored in a tightly closed container, protected from light and moisture, and kept in a cool, dry, well-ventilated area. It should be kept away from incompatible substances, such as strong oxidizers. For long-term storage, refrigeration at 2–8°C is recommended. Always handle in accordance with good laboratory safety practices and local regulations. |
|
Purity 98%: Usnic Acid Purity 98% is used in topical antimicrobial formulations, where it provides enhanced bacteriostatic efficacy. Melting Point 203°C: Usnic Acid Melting Point 203°C is used in pharmaceutical synthesis, where it ensures thermal stability during processing. Molecular Weight 344.32 g/mol: Usnic Acid Molecular Weight 344.32 g/mol is used in controlled release drug delivery systems, where it guarantees consistent dosage accuracy. Particle Size <10 µm: Usnic Acid Particle Size <10 µm is used in cosmetic cream preparations, where it enables uniform dispersion and optimal skin absorption. Solubility in Ethanol 10 mg/mL: Usnic Acid Solubility in Ethanol 10 mg/mL is used in alcoholic tincture development, where it facilitates rapid dissolution and homogeneous solutions. Stability Temperature up to 80°C: Usnic Acid Stability Temperature up to 80°C is used in heat-processed personal care formulations, where it maintains chemical integrity and functional activity. Optical Rotation -130°: Usnic Acid Optical Rotation -130° is used in enantiomer-specific pharmaceutical applications, where it provides reliable chiral purity and biological activity. UV Absorption λmax 289 nm: Usnic Acid UV Absorption λmax 289 nm is used in analytical reference standards, where it enables precise quantification by UV-Vis spectroscopy. Residual Solvent <0.05%: Usnic Acid Residual Solvent <0.05% is used in regulatory-compliant finished products, where it guarantees low impurity levels and safety in end use. Microbial Limit <100 CFU/g: Usnic Acid Microbial Limit <100 CFU/g is used in high-purity dermatological applications, where it reduces contamination risks and enhances product safety. |
Competitive Usnic Acid prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
Flexible payment, competitive price, premium service - Inquire now!
Usnic Acid stands out for its origin—derived naturally from lichens. Unlike products made entirely by synthetic means or harvested through heavy industrial processing, this compound arrives with a greener footprint. I’ve seen plenty of chemical advancements that promise cleaner results, but few actually start at the source like Usnic Acid does. What grabs the attention of researchers, manufacturers, and folks in the natural wellness world is the way this lichen compound packs both punch and purity.
Science usually chases versatility, and Usnic Acid shows plenty. With a reputation for being relatively tough on certain bacteria and fungi, its molecular backbone does more than just occupy shelf space in a lab. Unlike generic preservatives or synthetic antibacterials, Usnic Acid manages activity even in small concentrations. This quality comes from its structural strength—the two rings fused by a methylated bridge. That unique architecture has earned it ongoing reviews in journals looking at natural product chemistry and pharmacology.
A quick look at the white-yellow crystals will tell you it’s different from widely-used acids like citric or lactic. These natural crystals feel waxy and slightly resinous, and they dissolve best in organic solvents like ethanol, ether, and acetone. Water solubility remains low, so it doesn’t fit every role. This makes it effective in certain topical and preservative uses, where high moisture isn’t present. For folks formulating salves, ointments, and even some cosmetics, this compound’s solubility limits offer reliability in shelf life without letting ingredients break down too quickly.
My first real encounter with Usnic Acid wasn’t in a chemistry lab—it was in a backcountry camp, watching a friend use a lichen salve for scrapes. Since then, I’ve kept an eye on the way this compound crosses over into many fields. Brands touting “natural preservation” benefits have looked to Usnic Acid to slow down spoilage without relying on parabens or stronger chemical agents. Dermatologists sometimes weigh its potential against more aggressive antiseptics, especially where sensitive skin needs a gentle hand.
In veterinary care, it’s not uncommon to see Usnic Acid mixed into ointments for wound healing in livestock. Some agricultural uses tap into its antifungal properties, working as a natural alternative to mainstream fungicides. Because it doesn’t break down as quickly in sunlight or open air, farmers and ranchers get a little more staying power compared to plant-based oils. Comparing lab data, Usnic Acid’s activity against certain strains of Gram-positive bacteria rivals well-known topical antibiotics, yet doesn’t spark as much resistance. That benefit alone keeps it in discussions about new formulas for animal and human care.
Recent years have brought up questions about Usnic Acid in dietary supplements. Some internet marketing hyped it for fat loss, but careful readers know the science behind those claims never stood up to close scrutiny. The safety story reminds us not all natural products fit every use; botanic compounds need clear dosing and solid trials just like pharmaceuticals. Some users reported liver issues at higher doses, steering responsible brands back to skin care and topical supports where data shows a safer margin. Clinical studies keep drawing the line between what’s possible and what’s proven; in the topical world, the compound continues to earn its spot.
Comparing Usnic Acid to other products sold under the “natural” or “bio-active” banner uncovers real differences. Tea tree oil jumps to mind, another perennial ingredient in skin creams and shampoos. Both carry antimicrobial properties, but the chemical makeup brings differences in stability and skin feel. Tea tree oil, loaded with terpenes, can sometimes trigger allergic responses and evaporates fast, while Usnic Acid holds its structure and rarely leads to fragrance sensitivities.
Honey is another comparison—widely used for its wound-healing and soothing qualities. Honey’s effectiveness often comes from enzymes and osmotic pressure. Usnic Acid, on the other hand, turns to molecular action targeting bacteria and fungi. Its selectivity for Gram-positive bacteria means it works best in certain microbial environments, and won’t wipe out beneficial skin flora wholesale the way some harsher acids or alcohol-based preparations might. This selectivity can bring better outcomes for delicate applications.
For preservation, many companies lean on synthetic benzoates or parabens. These low-cost preservatives keep mold at bay, but consumer demand for “cleaner labels” has shifted preferences. Usnic Acid can step into these products without introducing disruptive textures or off-odors, especially in oil-based cosmetics or small-batch salves. The slow, steady release from crystal form brings a long window of effectiveness, unlike synthetic alternatives that sometimes lose steam in open jars or humid storage.
Delving into the technical side without losing sight of the practical: the typical model of Usnic Acid sold for industrial or lab-grade use runs in high purity forms. Crystallization and rigorous filtration lead to purities topping 95 percent. High-performance liquid chromatography and GC-MS testing back up these claims, which matters for anyone seeking consistency in batches or scalability in production. Impurities crop up much more often in harvested lichen material, so reputable suppliers lean heavily on lab synthesis or clean extraction methods.
The molecular formula, C18H16O7, shapes how it behaves in products. Each molecule contains seven oxygen atoms and a double-ring structure; this puts it firmly in the class of dibenzofurans. Why does this matter? Compounds of this nature often display resilience—resisting heat, staying stable under moderate UV light, and refusing to break down when exposed to most acidic or basic solutions. That stability becomes a real asset for companies looking to offer natural and long-lasting results. I’ve watched plenty of product launches falter, just because natural compounds broke down before the user saw results. Usnic Acid holds out, bringing peace of mind to quality control teams.
Particle size also plays a role. Suppliers often grind it down to microcrystalline powder for better mixing in ointments or capsules. Still, because these crystals resist dissolving in water, companies testing Usnic Acid as a supplement run into problems with absorption. The compound’s solubility sets limits on certain delivery methods—a natural barrier against its misuse, in some respects. It finds its real strengths in non-water-based formulas.
Consumers and makers alike value the story behind their ingredients. Usnic Acid’s track record sparks plenty of debate around sourcing. Lichen grows slowly—sometimes covering just a few centimeters over decades—which means sustainable harvest plays a key role. Labs working to synthesize Usnic Acid in controlled environments help relieve pressure on wild lichen populations. Peer-reviewed research keeps vetting these sources, and buyers need to stay vigilant to avoid unsustainable or contaminated lots.
Safety deserves its space. Popular belief in “natural = safe” often leads to problems, and Usnic Acid is a strong example of the importance of moderation and clear labeling. Reports of liver toxicity from high-dose supplement use spurred regulatory reviews a few years ago. Topical usage follows a different route; the skin barrier limits absorption, so well-formulated creams and ointments deliver benefits without causing systemic issues in healthy people. Testing for allergens remains a smart step, since the compound can occasionally trigger mild contact dermatitis in those with sensitivities.
From a quality perspective, suppliers provide batch certificates detailing purity and contaminant screening for heavy metals, pesticides, and solvents. Transparent supply chains remain the gold standard. Buyers, especially in health and beauty, steer toward certifications from reputable bodies to ensure the final product aligns with global health standards. Having used both certified and off-label formulations myself, I can attest to the peace of mind that comes with knowing who stands behind your source.
Walk through the annals of traditional medicine, and you’ll find lichen-based poultices used to treat wounds and infections. Usnic Acid was there all along, before modern laboratories gave it a chemical name. Today’s researchers draw from this long-standing tradition, pairing old wisdom with contemporary technology. I’ve read studies tracing its journey from Siberian forests to cutting-edge biotech labs, each trying to unlock more of the compound’s potential without stripping the environment.
The lure of “old meets new” keeps interest alive—pharmacologists still revisit ancient manuscripts to rediscover lost formulations or unexpected indications. The rigorous process of modern clinical trials helps filter out myth from evidence. For Usnic Acid, this journey has led to a focus on topical and cosmetic applications, where antimicrobial and antioxidant effects can boost both safety and performance.
The story doesn’t end at creams and salves. Scientists experiment with nanotechnology—encapsulating Usnic Acid to boost delivery, targeting, and even skin penetration. Microemulsion systems, for example, promise longer-lasting effects in sunscreens and antiperspirants by pairing lichen-derived actives with safe carriers. As I follow the conference circuit, presentations keep rolling in about hybrid products, pairing Usnic Acid with other natural agents for even wider impacts.
A few universities have looked at using this organic acid for surface cleaning products, tapping into its stable antimicrobial profile to fight hospital-acquired infections or built-up mold in challenging environments. Compared to bleach or harsh phenols, lichen-sourced compounds strike a better ecological balance, breaking down into safe byproducts with less risk to aquatic life.
The patent landscape is crowded, as major players try to secure formulation rights for new uses in agriculture and conservation—think biodegradable fungicides or treatments that halt plant pathogens without harming pollinators. In my experience discussing with field scientists, these innovations matter most in areas where chemical runoff and residue threaten both crops and local ecology.
Lichen fills an important ecological role, serving as an air-quality marker and nesting material for wildlife. Ethical sourcing means more than chasing organic certification or low pesticide use; it means balancing short-term extraction with long-term stewardship. Some producers have turned to lab fermentation to produce Usnic Acid without stripping lichen from rock faces, a move welcomed by conservationists. Others work with indigenous knowledge holders to harvest only what regrows each year, keeping income flowing to rural communities.
Consumers paying for “nature-derived” products have the right to ask tough questions: How was it harvested? Who benefits from its sale? What’s getting left behind on the mountain or forest floor? Brands willing to answer openly win trust, while the rest risk being swept out with the next fashion in natural active ingredients. I know many dedicated herbalists and biochemists living this ethos, favoring quality over quantity and choosing ingredients that respect both people and planet.
On paper, Usnic Acid ticks the boxes for performance and sustainability. Yet, pitfalls remain. Topical use shines most where water isn’t a key component; it loses some luster in watery gels or lotions. Regulatory oversight varies between regions, so products seen in specialty stores run the risk of inconsistent labeling. Some markets treat it like a dietary supplement; others draw the line at external applications only. Those inconsistencies frustrate both buyers and makers, muddying the water around safety and best use.
The global trade in lichen derivatives highlights a problem with traceability. Wild-harvested material entering complex supply chains can introduce adulteration or even endangered species harm. Advances in chemical fingerprinting—tracking molecular profiles unique to each collection site—promise better verification. Still, it takes vigilance from regulators, certifiers, and third-party testers. I’ve seen promising startups focus exclusively on vertically integrated supply—from forest to final fill—to keep customers fully informed.
For medical professionals and formulators, judicious use remains key. Combining Usnic Acid with other proven actives avoids over-reliance and extends the shelf life of mainstream antibiotics by slowing the rise of resistant strains. Patient education also matters: explaining the limits of what a natural product can deliver, clarifying that not all “bioactive” marketing claims hold up under scrutiny.
One solution lies in better consumer education. Rather than treating every natural label as a green light for safety, customers and patients could benefit from learning about correct handling and reasonable expectations. Practical guides—developed with real input from chemists and herbal specialists—could help buyers spot legitimate products among an ocean of white-labeled imposters. Dosing guidance for topical use, transparent lab results, and pointers toward established clinical evidence all increase confidence.
On the producer side, partnerships with academic labs offer ways to push research further. Grants and co-development agreements can focus on topical, environmental, or veterinary uses where performance aligns with real-world needs. Regulatory agencies play a part by updating ingredient lists, labeling rules, and better cross-border cooperation. These steps don’t just protect end users—they support legitimate marketers and farms who choose sustainability over short-term profit.
Smart advances in synthetic biology also deserve credit. By isolating the pathways lichens use to create Usnic Acid, biotechnologists hope to scale production cleanly, bypassing cycles of overharvesting or seasonal shortages. Fermentation methods can lower the cost of entry for smaller wellness brands and open doors to new formulations with improved safety margins.
The strongest brands in natural wellness and green chemistry know their reputation rides on honesty. For every headline that cites the promise of a new lichen-derived breakthrough, there are a dozen buyers quietly asking whether that ingredient was sourced with care. Usnic Acid’s long story—from old-world poultices to innovative biotech—shows that trust grows as much from how a product is made as what it does. Direct, open disclosure of source, purity, and processing methods outshines vague marketing any day.
In closing, Usnic Acid offers a rare blend of tradition and innovation, standing clearly apart from both synthetic compounds and me-too botanicals. Those who work at the intersection of science, nature, and people know that its value grows only when matched by responsibility. With smart sourcing, honest labeling, and evidence-driven guidance, this lichen compound delivers much more than a passing trend—it promises a stronger foundation for greener, smarter consumer choices.