Import 3-Mpsna (3-Mercapto-1-Propanesulfonic Acid — Buy in wholesale FOB from Supplier in Japan

3-MPSNa (3-Mercapto-1-propanesulfonic acid, sodium salt) is an organosulfur compound manufactured by Horiike Sangyo Co., Ltd. in Osaka, Japan. The molecule combines a terminal thiol (-SH) group with a sulfonate (-SO3-) functionality separated by a three-carbon propyl chain, yielding a bifunctional water-soluble additive. This structural configuration delivers both metal chelation capability through the thiol and anionic water solubility through the sulfonate, properties that define its industrial applications. The sodium salt form ensures ready dissolution in aqueous systems without pH adjustment. Horiike Sangyo positions this material as a functional additive rather than a commodity chemical, reflecting Japanese specialty chemical market norms.

The thiol group in 3-MPSNa provides strong affinity for ferrous and copper surfaces, forming self-assembled monolayer films that inhibit oxidation and corrosion. The sulfonate group maintains solubility in alkaline and neutral electroplating baths where non-sulfonated mercaptans would precipitate. Typical active content in commercial grades ranges from 30-50% aqueous solution to 90%+ solid powder, though the supplier does not specify its offered concentration. Sodium salt formulation avoids the odour and oxidative instability associated with free thiol acids. Japanese-produced 3-MPSNa generally meets semiconductor-grade purity requirements for trace metal contamination, given the country's electronics plating supply chain demands.

Primary applications include metal rust prevention, rust removal formulation, and electrolytic copper plating bath additive. The polymerisation regulator function targets radical polymerisation of water-soluble vinyl monomers such as acrylic acid, acrylamide, and sodium styrenesulfonate, where the thiol acts as a chain transfer agent controlling molecular weight distribution. Buyers include electroplating chemical formulators, water treatment polymer manufacturers, and metal finishing operations. Importers should confirm whether Horiike Sangyo supplies 3-MPSNa as a solid, concentrated solution, or dilute ready-to-use formulation, as this determines freight classification and handling requirements. The company's Osaka location provides access to Kansai International Airport and Osaka Port for export logistics.

Horiike Sangyo Co., Ltd. maintains its registered office at Eslead Building Honmachi, Room 802, 1-4-8 Honmachi, Chuo-ku, Osaka 541-0053, Japan. The company operates from a commercial address in central Osaka's Chuo Ward, a district known for trading houses and specialty chemical distributors rather than heavy manufacturing. The listing carries a Harbor trust tier, with response rate and average response hours both recorded at zero, indicating no platform-mediated communication history. The supplier's profile does not disclose founding date, employee count, annual revenue, manufacturing facility location, or JIS/ISO certification status.

The company's product focus on 3-MPSNa for metal finishing and polymerisation control suggests technical sales expertise in niche organosulfur chemistry rather than bulk commodity trading. Buyers should determine whether Horiike Sangyo manufactures 3-MPSNa in-house at a Japanese facility or sources from a domestic or overseas partner, as this affects supply chain transparency and regulatory compliance documentation. The absence of detailed company history or client references in the profile means importers must conduct independent verification of the firm's credit standing, export licence, and product liability insurance before contractual commitment.