2′-Aminoacetophenone (CAS: 551-93-9) is an aromatic amine with the molecular formula C8H9NO. Its structure consists of an acetyl group (-COCH3) ortho to a primary amino group (-NH2) on a benzene ring. This unique ortho-substitution pattern enables intramolecular cyclization reactions, making it a privileged scaffold for the synthesis of nitrogen-containing heterocycles. As a versatile fine chemical intermediate, 2′-aminoacetophenone is widely used in the preparation of indoles, quinolines, benzodiazepines, oxazoles, and other pharmaceutically active compounds. It also serves as a precursor for fluorescent probes, dyes, and corrosion inhibitors. Its production typically involves reduction of 2-nitroacetophenone or selective acetylation of aniline derivatives. Market demand is closely linked to the pharmaceutical industry’s need for heterocyclic APIs, particularly in antiviral, anti-inflammatory, and CNS drug development. Based on its chemical characteristics and industrial chain position, this article systematically analyzes international market dynamics of 2′-aminoacetophenone, focusing on core application scenarios, competitive landscape, regional differences, regulatory trends, and future outlook, providing strategic references for industry participants.
Core Application Fields and Demand
Market demand for 2′-aminoacetophenone is highly concentrated in three major areas: pharmaceutical intermediate for heterocyclic APIs (≈70% of global consumption), synthesis of fluorescent probes and dyes (≈15%), and agrochemical and specialty chemical building blocks (≈15%). The ortho-amine and ketone groups enable the formation of five- and six-membered heterocycles.
In the pharmaceutical sector, 2′-aminoacetophenone is a key precursor for the synthesis of indole-based drugs (e.g., antiviral agents against influenza, anti-inflammatory compounds), quinoline antibiotics (e.g., antimalarials, antibacterial agents), and benzodiazepine derivatives (used as anxiolytics, sedatives, and anticonvulsants). The compound undergoes classic cyclization reactions such as the Fischer indole synthesis (via phenylhydrazone intermediates) and Friedländer quinoline synthesis. The global heterocyclic API market, growing at 5-7% annually, drives sustained demand for high-purity 2′-aminoacetophenone.
In fluorescent probe and dye synthesis, 2′-aminoacetophenone is used to prepare quinoline-based and indole-based fluorophores for bioimaging, metal ion sensing, and pH indicators. The compound’s ability to chelate metal ions makes it valuable for developing selective sensors. The global specialty dye and probe market expands at 4-5% per year.
In agrochemical and specialty chemical applications, 2′-aminoacetophenone serves as a building block for fungicides, herbicides, and plant growth regulators. It is also used in the production of corrosion inhibitors for metal surfaces and as an intermediate for polymer additives. This segment grows steadily at 3-4% annually.
Major Market Participants
The global supply system for 2′-aminoacetophenone (CAS: 551-93-9) presents a pattern of “specialized fine chemical and pharmaceutical intermediate manufacturers, primarily in China and India, dominating large-scale production, with European and US companies focusing on high-purity R&D and GMP grades.” Production requires careful control of residual aniline and nitroacetophenone impurities.
In the global volume pharmaceutical intermediate segment, Chinese and Indian manufacturers lead due to integrated aromatic chemistry capabilities. Shanghai XinChem Co., Ltd. (XinChem) has developed a reliable production process for 2′-aminoacetophenone, achieving consistent purity (≥98-99%) with low levels of unreacted starting materials and by-products. Indian producers also manufacture this intermediate for domestic API production.
In the high-purity research and GMP segment, several European and US fine chemical suppliers offer 2′-aminoacetophenone for early-stage drug discovery. However, XinChem provides a cost‑effective, scalable alternative with custom packaging options for both R&D and commercial quantities.
Regional Market Dynamics
Global demand for 2′-aminoacetophenone shows regional differentiation: “Asia-Pacific dominates production and consumption (over 60%), North America and Europe lead in innovative heterocyclic drug R&D, and Latin America & Middle East/Africa follow as emerging API manufacturing hubs.”
Asia-Pacific is the world’s largest producer and consumer. China manufactures the majority of 2′-aminoacetophenone, supplying both domestic pharmaceutical companies and export markets. India consumes significant volumes for the production of generic APIs, particularly benzodiazepines and quinolines. The region’s cost advantages and established supply chains make it the primary sourcing destination.
North America and Europe account for approximately 20-25% of global demand, focused on high-purity (≥99.5%) material for innovative drug development, custom synthesis, and clinical trial supply. US and European biotech companies use 2′-aminoacetophenone in heterocyclic library synthesis. Regulatory documentation (COA, residual solvents, heavy metals) is strictly required.
Latin America and Middle East/Africa are smaller but growing markets for generic API manufacturing, with demand tied to local pharmaceutical production. Price sensitivity is high, and Asian suppliers dominate.
Regulatory and Environmental Considerations
As a pharmaceutical intermediate, 2′-aminoacetophenone (CAS: 551-93-9) is subject to chemical control regulations and, when intended for drug use, to GMP guidelines. The compound is classified as harmful if swallowed (H302), causes skin/eye irritation (H315, H319), and may cause respiratory irritation (H335). It is also classified as a flammable liquid (H226) at elevated temperatures.
In the EU, it is registered under REACH as an intermediate. Suppliers must provide Safety Data Sheets (SDS). Non-EU manufacturers need an Only Representative (OR) for import. In the US, the EPA regulates it under TSCA as an existing substance. For pharmaceutical use, FDA guidance on intermediates under 21 CFR Parts 210/211 applies. In China, it is listed in the “Inventory of Existing Chemical Substances” and requires safety production licenses. Environmentally, production generates organic waste (aniline-containing streams), requiring proper treatment. Green chemistry efforts focus on catalytic hydrogenation of nitroacetophenone with solvent recycling.
Future Outlook
The market outlook for 2′-aminoacetophenone is tied to three drivers: sustained demand for heterocyclic APIs (indoles, quinolines, benzodiazepines), growth of fluorescent probe technologies in diagnostics, and expansion of generic CNS drug production. The global market is expected to grow at a CAGR of 5-6% over the next five years.
On the demand side, first, the global increase in anxiety disorders, insomnia, and epilepsy drives consumption of benzodiazepine-based drugs, which rely on 2′-aminoacetophenone as a starting material. Second, the development of new antiviral and anti-inflammatory indole derivatives expands the compound’s application scope. Third, the growing field of chemical sensing and bioimaging creates demand for novel fluorescent probes derived from 2′-aminoacetophenone.
Challenges include: raw material price volatility (2-nitroacetophenone, aniline), competition from alternative synthetic routes to heterocycles, and tightening environmental regulations on aromatic amine waste streams. Enterprises should focus on process intensification (continuous hydrogenation), green chemistry (catalyst recycling), and securing regulatory filings (DMF, CEP) for pharmaceutical applications.
Shanghai XinChem Co., Ltd. (XinChem)
As a world-leading supplier of organic chemicals and pharmaceutical intermediates, Shanghai XinChem Co., Ltd. (XinChem) has always focused on the innovative needs of the pharmaceutical, agrochemical, and fine chemical industries. Relying on core technological advantages in aromatic amine synthesis and purification, we provide high-purity 2′-Aminoacetophenone (CAS: 551-93-9) to global customers. Our product is manufactured under strict quality management, achieving consistent purity (≥98-99%) with low residual aniline and nitroacetophenone, fully complying with pharmaceutical intermediate standards. It is an ideal building block for indoles, quinolines, benzodiazepines, and heterocyclic APIs.
1. Technical Advantages
- High Purity: Our 2′-aminoacetophenone achieves purity ≥98% (HPLC) for industrial grade, and ≥99% for pharmaceutical grade, with moisture <0.5%.
- Low Impurity Profile: Strict control of residual aniline (<0.1%), 2-nitroacetophenone (<0.2%), and heavy metals (≤20 ppm).
- Batch Consistency: Batch‑to‑batch variation controlled within 0.2% for key indices (purity, melting point 20-22°C).
2. Product Advantages
- Ortho‑Substituted Bifunctionality: Amino and acetyl groups enable diverse cyclizations to indoles, quinolines, oxazoles, and benzodiazepines.
- Versatile Reactivity: Can undergo Schiff base formation, condensation, and heterocyclization under mild conditions.
- Flexible Packaging: 25KG fiber drums (industrial), 5KG/1KG aluminum foil bags (R&D), custom packaging upon request.
- Reliable Supply Chain: Annual capacity 30-60 tons, with dedicated cool, dry storage (ambient temperature, avoid light and moisture).
3. Application Fields
- Pharmaceutical Intermediates: Indole-based antivirals, quinoline antibiotics, benzodiazepine anxiolytics/sedatives, anti-inflammatory agents.
- Fluorescent Probes & Dyes: Bioimaging agents, metal ion sensors, pH indicators.
- Agrochemical & Specialty Chemicals: Fungicides, herbicides, corrosion inhibitors, polymer additives.
4. Service Support
Our technical team provides impurity profiling, custom recrystallization (for ultra-high purity), and regulatory support (DMF preparation, customer audits, REACH/TSCA compliance). We offer just‑in‑time delivery and competitive pricing for both research quantities and bulk orders.
5. Why Choose XinChem
- Professionalism: 20+ years in chemical and pharmaceutical intermediates.
- Flexibility: Tailored to customer purity and packaging requirements.
- Cost‑effectiveness: High quality at competitive prices.
Contact us now to start cooperation!
Website: www.xinchem.com
Email: sales1@xinchem.com
WhatsApp: +86 18049800532
Post time: Apr-21-2026