China and India are the leading exporters of 2-[(Carboxymethyl)thio]benzoic acid (CAS 135-13-7), accounting for the majority of global shipments, while the United States, Germany, and South Korea represent the largest importing markets. Trade volumes have remained relatively stable over the past three years, with modest upward pressure on 2-[(Carboxymethyl)thio]benzoic acid prices observed in 2024 amid tightening supply from key Asian producers.
Recent Market Dynamics Intelligence for Polyaluminum Ferric Chloride (PAFC)
I. Price Dynamics
- Latest Quotations: As of July 6, 2026, PAFC market quotations exhibit significant diversity, varying by brand, origin, aluminum/iron content specifications, and delivery location. For instance, Henan Shunzhibang Environmental Technology Co., Ltd. offers PAFC with aluminum content ≥20% and iron content ≥2% at RMB 750 per metric ton; whereas Henan Hengyi Environmental Technology Co., Ltd. quotes RMB 1,300 per metric ton for industrial-grade PAFC with aluminum content ≥28% and iron content ≥2%.
- Benchmark Price Trend: According to Shengyishe (Business Society) data, the benchmark PAFC price stood at RMB 950.00 per metric ton on December 26, 2025—up 3.64% from the beginning of the month. Annual statistics indicate that prices have remained at mid-to-low levels throughout the year.
II. Market Supply and Demand
- Supply Situation: PAFC production is concentrated primarily in Shandong, Henan, Jiangsu, and Shanxi provinces, with Shandong holding the largest share of national capacity. Recently, Shanxi Kunyuan Chemical Co., Ltd. has completed construction of a new 100,000-ton-per-year polyaluminum chloride production facility, scheduled to commence trial operations by the end of July—further expanding market supply.
- Demand Situation: PAFC is widely applied in urban water supply and drainage, industrial wastewater treatment, papermaking, textile printing and dyeing, power generation, mining, and other sectors. Stricter environmental regulations and elevated wastewater treatment standards continue to drive steady demand growth—particularly for high-efficiency coagulants in industrial wastewater treatment and reclaimed water utilization.
III. Regional Market Analysis
- Regional Disparities: Market demand and pricing vary significantly across regions. The East China and South China regions—home to dense clusters of downstream water treatment enterprises—represent the primary consumption markets, spurring local producers to shift toward high-end, customized product development. Meanwhile, demand for mid- to low-end, general-purpose PAFC is rapidly increasing in central and western China, propelled by rural sewage treatment initiatives and county-level infrastructure development.
IV. Industry Trends
- Technological Innovation: Enterprises are intensifying R&D investment to launch novel composite PAFC products—enhancing coagulation efficiency and sedimentation speed while reducing dosage requirements. For example, Henan Qingshuiyuan Technology Co., Ltd.’s next-generation PAFC product has successfully completed pilot-scale validation at multiple large municipal wastewater treatment plants.
- Green and Low-Carbon Development: Guided by China’s dual-carbon goals (carbon peak and carbon neutrality), green and low-carbon water treatment solutions have become mainstream. Companies are effectively mitigating cost pressures through centralized raw material procurement and recycling/reuse of waste acid—simultaneously advancing the industry toward environmental sustainability.
Analysis and Assessment
I. Price Outlook
- Short-Term Volatility: Recent PAFC prices have fluctuated moderately due to factors including raw material costs, downstream demand shifts, and regional supply-demand imbalances. Overall, however, prices remain relatively stable without dramatic swings.
- Long-Term Trend: Continued tightening of environmental policies and growing wastewater treatment demand will sustain market demand expansion. Nevertheless, intensifying industry competition and raw material price volatility may exert upward or downward pressure on pricing. Prices are expected to trend steadily upward over the medium to long term.
II. Supply-Demand Outlook
- Increasing Supply: Gradual commissioning of newly built facilities and capacity expansions by existing manufacturers will progressively boost PAFC supply—helping alleviate supply-demand imbalances and contributing to price stability.
- Rising Demand: Stricter environmental compliance requirements and upgraded wastewater treatment standards will sustain robust demand growth—especially in industrial wastewater treatment and reclaimed water reuse, where growth potential remains exceptionally strong.
Forecast
I. Price Forecast
- Short-Term Forecast: PAFC prices are expected to remain relatively stable in the near term, though minor fluctuations may occur due to raw material price volatility and shifting regional supply-demand dynamics.
- Long-Term Forecast: With sustained demand growth and intensifying competition, PAFC prices are projected to trend upward steadily. Companies must closely monitor raw material price movements and competitive developments—and proactively adjust production and marketing strategies to navigate evolving market challenges.
II. Market Trend Forecast
- Ongoing Technological Innovation: Industry players will continue strengthening R&D efforts to accelerate technological advancement and product upgrading. Next-generation composite PAFC products are expected to gradually dominate the market, fulfilling high-end application requirements.
- Green and Low-Carbon Transformation: Under the dual-carbon policy framework, green and low-carbon water treatment solutions will become the defining industry trajectory. Enterprises must actively align with regulatory mandates and foster environmentally sustainable, resource-efficient development pathways.
- Increasing Regional Market Differentiation: Demand structures and price levels across regions will further diverge. Companies must formulate region-specific marketing strategies and tailored product portfolios—based on localized demand characteristics—to expand market share and strengthen competitiveness.
2-[(Carboxymethyl)thio]benzoic acid (CAS 135-13-7) is a white to off-white crystalline solid at room temperature, typically odorless and non-volatile, with a melting point commonly reported between 148–152 °C. It is an aromatic organic compound featuring both carboxylic acid and thioether functional groups, classified as a bifunctional synthetic intermediate. Its primary industrial use is as a key building block in the synthesis of heterocyclic compounds, particularly benzothiazoles and related sulfur-containing heteroaromatics. It is employed in the production of agrochemicals—including fungicides and plant growth regulators—and in pharmaceutical research for developing bioactive molecules containing thiazole or benzothiazole scaffolds.
This chemical is included in Fine Chemicals. See more about what is 2-[(Carboxymethyl)thio]benzoic acid and 2-[(Carboxymethyl)thio]benzoic acid SDS information.
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