Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Solvay Rhodafac RS-729 Phosphate Ester Anionic Surfactant

Solvay Rhodafac RS-729 is a high-performance phosphate ester anionic surfactant from the Rhodafac series, offering excellent emulsification, wetting, and corrosion inhibition in industrial cleaning and metalworking fluids. It delivers superior stability in hard water and broad pH tolerance, making it ideal for demanding formulations requiring low foam and efficient soil removal.
  • solvay rhodafac rs 729 phosphate ester anionic surfactant_0ce0af0e
  • solvay rhodafac rs 729 phosphate ester anionic surfactant_0ce0af0e

Features Of Solvay Rhodafac RS-729 Phosphate Ester Anionic Surfactant

  1. Highly effective emulsifier and wetting agent for oil-in-water systems.

  2. Excellent compatibility with cationic, nonionic, and other anionic surfactants.

  3. Low foaming profile suitable for industrial cleaning and metalworking applications.

  4. Good hydrolytic stability across a broad pH range (pH 4–10).

  5. Biodegradable phosphate ester chemistry supporting sustainable formulation goals.

Typical Applications Of Solvay Rhodafac RS-729 Phosphate Ester Anionic Surfactant

  1. Metalworking fluids including soluble oils and semi-synthetic coolants.

  2. Industrial and institutional cleaners for heavy-duty degreasing.

  3. Agrochemical adjuvants enhancing pesticide and herbicide dispersion.

  4. Emulsion polymerization stabilizers in latex and coating systems.

  5. Corrosion inhibitor synergist in aqueous maintenance and protection formulations.

Specifications Of Solvay Rhodafac RS-729 Phosphate Ester Anionic Surfactant

Chemical TypePhosphate ester (mono- and di-alkyl esters)
Product FormLiquid
AppearanceClear to slightly hazy, light amber liquid
pH (1% aqueous solution, 25°C)6.5 – 8.0
SolubilityReadily dispersible in water; miscible with common polar solvents
Active Content (as supplied)≥ 90%
Flash Point (PMCC)≥ 180°C
Storage StabilityStable for ≥ 24 months at 5–30°C in original sealed container


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