99.9% Industrial-grade; Battery-grade 1,3-Propanesultone CAS 1120-71-4

Certificate of Analysis-COA 

99.5% Content

 Applications 

1. Lithium-Ion Battery Electrolyte Additive — SEI-forming additive for graphite anodes, high-voltage and high-temperature electrolytes: Decomposes preferentially on the anode surface to build a compact, stable solid electrolyte interphase, which reduces continuous electrolyte consumption and improves cycle life. Widely used to extend calendar life and suppress gas generation at elevated temperature.

2. Zwitterionic Surfactants & Sulfobetaines — hydroxysultaine and sulfobetaine synthesis, mild cleansing products: Reacts with fatty amidoamines to build sulfobetaines that stay zwitterionic across the whole pH range, unlike carboxyl betaines which lose their charge in acid. That gives foam and mildness that hold up in low-pH cleansers, and better hard-water tolerance.

3. Dye & Pigment Intermediates — acid dyes, reactive dyes, sulfonated colourants: Introduces a sulfopropyl sulfonate group that raises water solubility and improves levelling and fastness without the hydrolysis-prone sulphate ester linkage. Used to build dyes that stay soluble at high electrolyte concentration in the dyebath.

4. Electroplating Brighteners & Levelers — acid copper and nickel plating additives, sulfobetaine-type brighteners: Forms zwitterionic additives that adsorb on the cathode and control deposit growth, improving levelling and brightness in acid plating baths. Stable in the aggressive acidic electrolyte, unlike many nitrogen-only additives.

5. Antistatic & Textile Auxiliaries — antistatic agents, fibre finishing, polymer additives: Provides a permanently charged sulfonate group that dissipates static without the humidity dependence of nonionic antistats. Used to build antistatic finishes and additives that survive washing and processing.

 Quality Assurance 

Every batch of chemicals leaves our factory with complete laboratory documentation — not a promise, but verifiable test data. From incoming raw material inspection to finished-goods release, each batch is tested against published specifications, and a Certificate of Analysis (COA) accompanies every single shipment. What you order is exactly what we test — and what we ship.

Tested by our in-house ISO 9001:2015 laboratory. Verified independently by third-party labs on request (SGS / BV / Intertek). Traceable from raw material to your warehouse.

 Packaging 

Liquid plastic drums

Liquid tonnes

Liquid iron drums

Export-grade packaging, custom labels

Solids (woven bags/cardboard drums/ton bags)

Liquids (plastic drums/IBC/ISO tanks)