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CAS: 657-84-1
Molecular Formula: C7H9NaO3S
Molecular Weight: 196.2
EINECS: 211-522-5
HS Code: 29041000
Synonyms: naxonatehydrotrope; para-toluenesulfonicacid,sodiumsalt; p-toluenesulfonicacid,sodiumsalt,mixtureofisomers; sodiumparatoluenesulphonate; sodiump-methylbenzenesulfonate; sodiump-toluenesulphonate; sodiumtosylate; tosylate,sodium
Sodium p-toluenesulfonate CAS 657-84-1 serves as an important organic salt and functional additive, primarily employed as a hydrotropic agent, electrolyte, and chemical intermediate in various industrial and laboratory processes.
| Item | Value |
| Appearance | White to off-white powder |
| Melting Point | >300°C |
| Boiling Point | 400℃[at 101 325 Pa] |
| Density | 1.55 g/cm3 (20℃) |
| Fp | 500 °C |
| pka | 6.59[at 20 ℃] |
| Storage Temp | Store below +30°C. |
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Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
Founded in 2020, Mikem Chemical Group Co., Ltd. is a trusted global partner in the chemical supply chain, offering a wide range of inorganic and organic compounds, cleaning agents, pigments, additives, and APIs. With over 300 employees and a 20,000 m² facility integrating production, R&D, testing, and storage, Mikem delivers reliable products and tailored solutions that create lasting value for customers worldwide.
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At Mikem, our advanced factory and laboratory form the foundation of our chemical production excellence. Equipped with modern manufacturing lines and precision testing instruments, we ensure every product meets strict international standards for quality, safety, and performance.
Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
