4-Hydroxyacetophenone
- Product Name: 4-Hydroxyacetophenone
- Chemical Name (IUPAC): 1-(4-Hydroxyphenyl)ethan-1-one
- CAS No.: 99-93-4
- Chemical Formula: C8H8O2
- Form/Physical State: Crystalline Powder
- Factroy Site: No.89 Lihua street, Funing District, Qinhuangdao City, Hebei Province, China
- Price Inquiry: sales2@liwei-chem.com
- Manufacturer: Qinhuangdao Lihua Starch
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|
HS Code |
845778 |
| Cas Number | 99-93-4 |
| Molecular Formula | C8H8O2 |
| Molecular Weight | 136.15 g/mol |
| Iupac Name | 4-Hydroxyacetophenone |
| Appearance | White to off-white crystalline powder |
| Melting Point | 109-111 °C |
| Boiling Point | 285 °C |
| Solubility In Water | Slightly soluble |
| Density | 1.204 g/cm3 |
| Refractive Index | 1.546 |
| Pubchem Cid | 7411 |
| Synonyms | p-Hydroxyacetophenone, 4-Acetylphenol |
| Flash Point | 147 °C |
| Smiles | CC(=O)C1=CC=C(C=C1)O |
| Ec Number | 202-802-8 |
As an accredited 4-Hydroxyacetophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The 4-Hydroxyacetophenone comes in a sealed 100g amber glass bottle with a tamper-evident cap and clear labeling. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 4-Hydroxyacetophenone is packed in 25kg fiber drums, 8 MT (320 drums) per 20′ full container load. |
| Shipping | 4-Hydroxyacetophenone is shipped in tightly sealed containers designed for chemicals, compliant with standard regulations. It should be protected from moisture and sunlight, and handled with care to avoid leakage or contamination. Appropriate labeling, documentation, and safety measures must accompany the shipment to ensure safe transport by road, air, or sea. |
| Storage | 4-Hydroxyacetophenone should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers or acids. Protect it from light and moisture. Store at room temperature and ensure the storage area is clearly labeled and complies with local chemical safety regulations. |
| Shelf Life | 4-Hydroxyacetophenone has a shelf life of 2-3 years when stored in a cool, dry place, tightly sealed. |
Competitive 4-Hydroxyacetophenone prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
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Tel: +8615380400285
Email: sales2@liwei-chem.com
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- 4-Hydroxyacetophenone is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
- COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: sales2@liwei-chem.com.
Understanding 4-Hydroxyacetophenone in Industrial Application
For decades, we have specialized in the manufacture of 4-Hydroxyacetophenone. We have watched this compound move from a specialty research chemical to a backbone ingredient for several industries. As a direct producer, we have seen firsthand how both quality and reliability determine the downstream performance of formulations that rely on it.
The Nature of 4-Hydroxyacetophenone
4-Hydroxyacetophenone stands out through its distinct aromatic character and phenolic structure. The model CAS: 99-93-4 defines its molecular identity — C8H8O2 — and its physical presence comes through as a white or slightly yellow crystalline powder. From repeated laboratory work and scaling up to multi-ton batches, we have ensured each production offers a minimum purity over 99%. This focus on chemical integrity reduces performance variability for end users, whether they formulate pharmaceuticals, design specialty polymers, or prepare advanced fragrances.
Handling the pure compound every day, we have learned that subtle changes in synthesis and purification can shift impurity profiles. Our facility uses controlled temperature reactions and tailored filtration routes, which keeps the batch-to-batch consistency tight. We recognize there’s more to this compound than just achieving high assay values on a certificate. Trace impurities — even if they are not always immediately apparent in analytical tests — affect catalytic behavior, reactivity in custom organic syntheses, and sensory attributes for scent-related work.
Why Purity and Source Matter in Laboratory and Industrial Use
Not all 4-Hydroxyacetophenone is equal. We take pride in making sure our product meets industry needs beyond generic commodity levels. For example, pharmaceutical process chemists told us that colorimetric checks alone aren’t enough; a seemingly clean lot with metal ion traces can confound late-stage reactions. In our own purity audits, we push batch testing beyond standard HPLC results, examining heavy metal content and water trace content. Moisture, for instance, can catalyze decomposition in sensitive applications. In analytical chemistry or sensitive intermediates, failing to control these parameters raises costs far beyond the price difference of the starting material.
We often field questions about how our 4-Hydroxyacetophenone compares to cheaper alternatives available from non-integrated producers. After years of supporting industrial partners, it’s become obvious that the cheapest option at the outset often turns into the most expensive due to downstream rework or low yields. Repairs to formulations, repeated runs, or cleaning up failed syntheses add to both time and material waste. Our strict raw material selection and controlled reaction conditions help avoid these pitfalls.
Applications That Depend on Reliable Supply
Pharmaceutical manufacturing has always set high bars for both purity and documentation. 4-Hydroxyacetophenone finds use in the synthesis of anti-inflammatory agents, antithrombotic drugs, and intermediates for cardiovascular therapies. Specialists in medicinal chemistry favor materials that offer low impurity profiles, predictable melting points, and full traceability. We supply comprehensive material trace records to support regulatory scrutiny encountered by our pharmaceutical partners. Their development processes involve rigorous qualification phases, and a single batch deviation can cost thousands of dollars in revalidation work. Having walked our production runs through third-party audits multiple times, we understand the regulatory implications a poor raw material can impose.
In the field of fragrances and flavors, 4-Hydroxyacetophenone’s warm, sweet character provides a softening note for perfumes and fine fragrance blends. While some teams focus on the aesthetic, we see the technical side — repeated distillations and controlled crystallization remove odor-active impurities that could otherwise change a perfumer’s composition. In our work with global fragrance houses, the ability to match the same olfactory signature from lot to lot is what sets a reliable producer apart. No one wants to reformulate around unpredictable supply chain variability.
Beyond pharma and flavors, 4-Hydroxyacetophenone serves advanced polymers and resin manufacturers. In specialty coatings and plastics used for electronics or automotive parts, the presence of even minor color bodies or ionic impurities can result in product recalls. We’ve supplied OEM manufacturers with technical-grade product, and often, application testing will turn up problems that originate years before, all traceable back to raw ingredient shortcomings. Our commitment to extensive batch documentation and sample archiving over multi-year spans is the result of these lessons — not from textbooks, but from real-world troubleshooting alongside production engineers.
Product Differences Across the Market
Chemicals from the global marketplace look similar when labeled, but differences emerge under scrutiny. Large lot production introduces risks around cross-contamination, storage, or even degradation before the product gets to the end user. In our operation, we limit batch sizes so traceability and quality control remain manageable. Automated blending after reaction is followed by vacuum drying, never just sun-drying or uncontrolled storage. Shipment happens in sealed, lined drums, with full environmental data shared on request. These practices did not start as slogans; they came from early feedback when our products met higher requirements in Japanese and European markets.
Another key point is stability. 4-Hydroxyacetophenone should keep its physical consistency and not pick up color or strange odor over shelf-life. Application demands from our end users taught us to monitor finished goods inventory closely and rotate stock in less than six months. We store completed drums under nitrogen and away from UV exposure. We encountered issues early on with inconsistent color; today, our bulk logistics include environmental controls in warehouse and transit. These steps lower rejections by customers, and in turn, raise trust in scheduled supply.
Safety and Handling: On-Site Realities
Strict manufacturing standards become relevant only when matched by safe, practical use. Our staff has trained with hundreds of tons of material each year, practicing rigorous containment. The dust from 4-Hydroxyacetophenone, though not acutely hazardous, can cause respiratory discomfort and should be managed under good air handling. Loading from bags to reactors, our teams use enclosed transfer, with personal respiratory protection for maintenance work. It’s practical lessons — like realizing how traced dust from the shop floor can contaminate analytical labs — that drives strict compliance in handling protocols.
Spillage remains rare in our facility, but the procedure is clearly documented: prompt vacuum collection, surface cleaning, rigorous avoidance of sweeping or blowing, all to minimize fine-particle exposure. Waste management is completed through secure, licensed partners — no shortcuts. These are practices built up through collaboration with both chemical safety consultants and hands-on floor supervisors who bring decades of experience from diverse chemical sectors.
Analytical Testing: Real Results, Not Just Spec Sheets
End user formulations reflect every choice the raw material producer makes, so we continuously test for over a dozen parameters each batch. Standard HPLC confirms assay, but we routinely check melting point (approx. 110°C), water content by Karl Fischer titration (<0.5%), and trace metallics through ICP-MS. There have been occasions where a technically 'in-spec' sample under basic testing caused failures downstream due to overlooked trace residues. We added extra GC-MS testing for volatile organic contaminants as a result — a decision based on field feedback, not theoretical risk.
By investing in validation, we bear the cost up front — this cost pays for itself through lower lot rejections and better reputation among long-term customers. Third-party labs are brought in for random sample verification. The documentation follows each delivery, connecting batch number to every quality result. Customers from regulated markets can request samples from our retained reference stock, stored under full security for multi-year traceability.
Environmental and Regulatory Responsibility
Manufacturing 4-Hydroxyacetophenone in volume, we have adapted our facility to meet modern environmental norms. Solvent management draws from closed-loop systems, and every discharge runs through on-site treatment units with regular third-party monitoring. We recall early years when waste washing liquids created local issues; changes in process design and tighter recycling have now cut solvent emissions by over 60%, decreasing our environmental footprint and aligning with major global buyers’ procurement standards.
On a regulatory note, compliance with major chemical standards across global markets is a baseline. Our focus is less about paperwork for its own sake and more about ensuring customers in Europe, the United States, and Asia each receive regulatory-documented shipments. We’ve upgraded our systems so that every drum is scanned and logged, generating instant digital trace reports that customers can link to their own compliance workflow. The workflow was built in response to clients’ audits, forcing us to design traceability not as an afterthought but as a process backbone.
Customer Collaboration and Problem-Solving
Many of our long-term partnerships emerged from technical troubleshooting. Formulation chemists visit not just to inspect paperwork but to run their own process validations on our shop floor. We have hosted teams from Europe and North America, spending days reviewing sample archives, blending protocols, and running test reactions with our staff. Out of these sessions, processes have been jointly optimized — like modifying drying cycles to trim water content, or shifting crystalization conditions to boost yield for a specialty intermediate. These results go beyond our anecdotes; they show up as more predictable product lines and fewer supply chain headaches for our customers.
It is not unusual that an end user brings us data from failed product testing, asking for root-cause investigation. Rather than shift blame, we commit staff from production, analytics, and logistics to trace every step and, if necessary, supply corrective shipments rapidly. This partnership model leads to mutual wins; customers bring back new technical knowledge and we improve processes in response.
Innovation in Process, not Just in Product
Our leadership in 4-Hydroxyacetophenone results not from one-time achievement but constant adaptation. We watch industry changes, adjusting synthesis to reduce hazardous reagents and replacing antiquated filtration steps with safer, automated operations. Some improvements are subtle — reversing order of reagent addition to cut side-product formation, or tightening temperature control to shrink byproduct carries. These steps require ongoing investment in both equipment and operator training.
Drawn from both field failure analysis and customer requests, we have pushed for batch-scale trials using greener solvent systems and smaller environmental impact. We participate in consortia targeting sustainable chemistry, and when possible, share non-competitive technical data that can promote better industry-wide practices for the benefit of all.
Consistency Over Short-Term Gains
Shortcuts provide no real value in specialty chemical manufacturing. Every promise we make ties directly to our control over raw materials, equipment, and finished goods logistics. By holding ourselves to higher standards than basic commodity manufacturers, we help our buyers keep their own manufacturing processes robust and predictable.
Many requests come for bulk pricing or cost reduction by loosening incoming quality criteria. Over the years, we have learned these gains evaporate in the long run. Materials for regulated markets require up-front vigilance. Production for medical, food, or high-end industrial users depends on clear analytical records and robust transportation protocols. Our track record proves that steady supply, rigorous analysis, and hands-on support win more in loyalty and trust than temporary discounts or cutting corners.
The Road Ahead
We see continued opportunity in refining both product and service for 4-Hydroxyacetophenone users worldwide. Our experience in the lab, the plant floor, and supporting audits worldwide has taught us that reputation grows from small, repeated acts of diligence. As we move forward, we focus not only on yield and throughput but strengthening data integrity, improving environmental performance, and supporting partners as they innovate in their own applications. From one production run to the next, the lessons from the shop floor underpin our reliability as a manufacturer for decades to come.