‌CHPS-Na (Sodium 3-Chloro-2-Hydroxypropylsulfonate)‌ is a vital organic chemical intermediate containing both hydroxyl and sulfonic acid groups. Its molecular structure combines hydrophilic sulfonic acid groups with highly reactive halogen atoms, enabling the introduction of hydrophilic hydroxy-sulfonic acid groups into synthetic materials. It is widely used in ‌surfactant preparation‌, ‌starch modification‌, and ‌oilfield drilling material production‌. ‌I. Surfactant Applications‌ ‌1. Synthesis of Amphoteric Sulfobetaine Surfactants‌ Prepared via ‌quaternization reaction‌ with long-chain alkyl tertiary amines (e.g., dodecyl dimethylamine) to yield amphoteric surfactants with ‌cationic-anionic dual functionality‌. Demonstrates ‌outstanding thermal resistance (>100°C)‌ and ‌salt tolerance (stable in high Ca²⁺/Mg²⁺ environments)‌, suitable for ‌high-temperature oilfield flooding agents‌ and ‌industrial detergents‌. ‌High activity‌ with ‌ultra-low critical micelle concentration (0.1-1 mmol/L)‌, effectively reducing oil-water interfacial tension and enhancing crude oil recovery. ‌2. Preparation of Sulfonated Hydroxypropyl Guar Gum‌ Generated through ‌etherification reaction‌ with guar gum under weakly acidic conditions, serving as a ‌viscosifier for well-killing fluids‌. Key properties include: ‌Acid/alkali resistance (stable at pH 2-12)‌ ‌Salt tolerance (withstands 10% NaCl solutions)‌ ‌High transparency (>90% light transmittance)‌, ideal for ‌high-temperature, high-pressure drilling environments‌. Compared to carboxymethyl guar gum, the sulfonated product exhibits ‌higher purity (>95%)‌, resolving material discharge challenges in dry-process manufacturing. ‌II. Oilfield Applications‌ ‌1. Development of Fluid Loss Reducers for Drilling Fluids‌ Forms ‌2-hydroxy-3-sulfonatopropyl starch ether‌ via alkaline etherification with starch, acting as a drilling fluid additive: ‌Significantly reduces fluid loss (API filtration 100 mPa·s)‌ and ‌30% enhanced proppant suspension capacity‌, minimizing formation damage. ‌III. Starch Modification‌ ‌1. Functional Starch Derivatives‌ ‌Food Industry‌: Serves as a ‌thickener and stabilizer‌, improving texture in dairy products and sauces, with ‌high-temperature sterilization resistance (121°C/30 min)‌. ‌Paper Industry‌: Functions as a ‌wet-strength agent‌, boosting dry/wet strength (‌wet strength retention >30%‌) and reducing lignin dissolution. ‌Environmental Materials‌: Modified starch acts as a ‌heavy metal adsorbent‌, achieving ‌Pb²⁺ adsorption capacity of 200 mg/g‌. ‌IV. Biomedical & Consumer Chemicals‌ ‌1. Pharmaceutical Intermediate‌ Used in synthesizing ‌psychotropic drugs (e.g., antidepressants)‌ via ‌nucleophilic substitution reactions‌ to enhance drug water solubility. ‌2. Cosmetic Additives‌ Acts as an ‌emulsion stabilizer and humectant‌, improving ‌low-temperature stability (no precipitation at -20°C)‌ and reducing formulation irritation (‌pH 5.5-7.0‌). ‌V. Other Industrial Uses‌ ‌1. Metallurgy‌ Forms ‌metal complexes (Cu, Al, etc.)‌ as a surface treatment agent, enhancing ‌electroplating uniformity (roughness 90% capacity retention after 500 cycles)‌. ‌Product Offerings‌ ‌Gewu Chemical‌ provides two CHPS-Na forms: ‌Anhydrous CHPS-Na‌: Higher purity, ideal for ‌precision chemical synthesis and high-end pharmaceutical intermediates‌. ‌Hemihydrate CHPS-Na‌: Contains fixed crystal water, eliminating drying steps to ‌simplify processes‌ (e.g., direct use in dye intermediate synthesis). Through this dual-product strategy, we deliver ‌tailored, cost-effective, and eco-friendly solutions‌, driving ‌green industrialization‌ and ‌high-value industry upgrades‌.

1,3-Propane sultone is an organic compound with the chemical formula C3H6O3S, commonly used in organic synthesis and the pharmaceutical industry. Currently, this product is mainly applied in the following areas: new energy sector, chemical and materials industry, medicine and biochemistry, photosensitive materials and fine chemicals, environmental protection, and other industrial applications. I. New Energy Sector – Key Material for Lithium Battery Performance Enhancement ‌Electrolyte Additive‌: As a core additive for lithium-ion battery electrolytes, 1,3-propane sultone can suppress side reactions on electrode surfaces (e.g., metal ion dissolution), significantly improving the battery's initial capacity and cycle life. Particularly in high-temperature environments, it reduces gas generation, enhancing safety. By optimizing the stability of the electrode/electrolyte interface, it extends battery lifespan and improves high/low-temperature storage performance, making it suitable for power batteries, energy storage batteries, and other fields. With the rapid development of the new energy vehicle and energy storage industries, its demand in lithium batteries continues to grow, making it a crucial upstream raw material in the new energy supply chain. II. Chemical and Materials Industry – Versatile Sulfonating Agent and Intermediate ‌Universal Sulfonating Agent‌: Under mild conditions, it introduces sulfonic acid groups to compounds, imparting properties such as hydrophilicity and antistatic characteristics. It is widely used in synthesizing intermediates for electroplating additives (e.g., PPS, UPS, DPS, MPS). It can also serve as a raw material for surfactants, applied in zwitterionic surfactants, cosmetic emulsifiers, and industrial lubricants. ‌Electroplating and Surface Treatment‌: As a key raw material for electroplating brighteners and buffering agents, it improves coating uniformity and corrosion resistance, making it suitable for precision electroplating processes in electronic components, automotive parts, and other applications. III. Medicine and Biochemistry – Core Intermediate for Drug Synthesis ‌Pharmaceutical Intermediate‌: It participates in the synthesis of antibacterial and antiviral drugs, with its stable chemical properties and high reactivity providing a foundation for drug molecule structural modifications. In biochemistry, it is used for protein modification and enzyme immobilization research. ‌Biological Buffer‌: Through sulfopropylation reactions, sulfonic acid groups can be precisely introduced into traditional buffer molecular frameworks, endowing them with stronger ion regulation capabilities and chemical stability. These modified buffers exhibit excellent buffering efficiency across a wide pH range (5.0–8.5), particularly suitable for biochemical reaction systems under high salt concentrations or extreme temperature conditions. IV. Photosensitive Materials and Fine Chemicals ‌Photosensitive Dyes and Inks‌: As a precursor for sensitizing dyes, it enhances the photosensitivity and development efficiency of photosensitive materials, applied in printing inks, films, and photoresist fields. In the leather industry, it is used for synthesizing tanning agents, improving leather softness and dyeing uniformity. V. Environmental Protection and Other Industrial Applications ‌Environmental Protection‌: Used in wastewater treatment processes to remove heavy metal ions or organic pollutants through sulfonation reactions. ‌Petrochemical Industry‌: Serves as a raw material for synthesizing fluorinated organic chemicals, applied in fluorination reactions and specialty material production. VI. Emerging Fields Exploration In emerging fields such as flexible electronics and wearable devices, its antistatic properties are utilized for functional coating development. With its sulfonation capability, interface modification characteristics, and chemical stability, 1,3-propane sultone has deeply penetrated over ten fields, including lithium batteries, medicine, electroplating, and environmental protection, becoming an indispensable multifunctional raw material in the fine chemical industry. As technology advances, its application potential in the new energy and high-end materials sectors will further expand.