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

BASF Tetronic 1301 Surfactant

BASF Tetronic 1301 Surfactant is a nonionic, thermoresponsive triblock copolymer (PEO-PPO-PEO) offering reversible sol-gel transition, excellent emulsification, and temperature-controlled viscosity modulation for pharmaceutical, cosmetic, and agrochemical formulations.
  • basf tetronic 1301 surfactant_4a1c7542
  • basf tetronic 1301 surfactant_4a1c7542

Features Of BASF Tetronic 1301 Surfactant

  1. Non-ionic triblock copolymer based on polypropylene oxide (PPO) and polyethylene oxide (PEO) architecture.

  2. Thermoresponsive behavior with reversible micellization above its cloud point, enabling temperature-triggered solubilization and release.

  3. Excellent surface activity and low foaming characteristics in aqueous systems across broad pH ranges.

  4. High biocompatibility and low cytotoxicity, supporting use in pharmaceutical and personal care formulations.

  5. Good compatibility with electrolytes, surfactants, and active ingredients without significant precipitation or phase separation.

Typical Applications Of BASF Tetronic 1301 Surfactant

  1. Drug delivery systems, including thermosensitive hydrogels and nanocarriers for controlled release.

  2. Stabilizer in topical and transdermal formulations for enhanced skin permeation and emulsion integrity.

  3. Functional additive in ophthalmic solutions to improve solubilization of poorly water-soluble APIs.

  4. Emulsifier and solubilizer in cosmetic emulsions, especially in “smart” responsive skincare products.

  5. Performance enhancer in industrial cleaning formulations requiring low-foam, high-rinsability surfactancy.

Specifications Of BASF Tetronic 1301 Surfactant

Chemical TypeNon-ionic PEO-PPO-PEO triblock copolymer
Product FormPale yellow to amber viscous liquid
AppearanceClear to slightly hazy, homogeneous liquid at room temperature
Cloud Point (1% aqueous solution)~17–19 °C
pH (1% aqueous solution)5.5–7.0
SolubilityFreely soluble in water, ethanol, and propylene glycol; partially soluble in mineral oil
Primary ApplicationsPharmaceutical delivery, cosmetics, ophthalmics, industrial cleaners
Key FeaturesThermoresponsive, low-foaming, biocompatible, electrolyte-tolerant


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