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Surfactant

Triton X-45 Surfactant (DOW) (CAS 9036-19-5)

19212

TRITON™ X-45 is a non-ionic surfactant produced by DOW, belonging to the Octylphenol Ethoxylate (OPE) series.

Compared with TRITON X-100 (HLB approx. 13.4) in the same series, X-45 has a shorter hydrophilic chain and is therefore more lipophilic, commonly used as an efficient emulsifier and wetting agent.

1. Basic Physicochemical Properties

The core characteristic of TRITON X-45 is its low HLB value, which makes it dispersible rather than fully soluble in aqueous solutions.

Property Typical Value
Chemical type Octylphenol Ethoxylate
Active content 100%
Ethylene oxide (EO) number approx. 4.5
HLB value 9.8 (more lipophilic)
Appearance light yellow liquid
Critical micelle concentration (CMC) 136 ppm (at 25°C)
Cloud point (1% aqueous solution) Dispersible
Surface tension (1% solution) 29 dynes/cm (at 25°C)
Pour point -24°C

2. Main Functions and Features

  • Excellent wetting: outstanding wetting ability in hard-surface cleaning and textile processing.
  • Low foaming: produces less foam and defoams faster than high-EO surfactants (such as X-100).
  • Excellent emulsifying power: especially suitable for emulsifying aromatic solvents, chlorinated solvents and other oily substances that are difficult to emulsify.
  • Chemical stability: stable in most acidic and alkaline solutions, and compatible with anionic, cationic and other non-ionic surfactants.

3. Common Application Fields

  1. Agrochemicals: as emulsifier and extender for pesticide EC or SC formulations, improving adhesion and penetration on leaves.
  2. Coatings and inks: used as pigment dispersant and stabilizer in emulsion polymerization, improving leveling and freeze-thaw stability of coatings.
  3. Industrial and household cleaning: used in metal cleaners, dry-cleaning agents and solvent-based cleaning systems requiring enhanced degreasing.
  4. Biotechnology and pharmaceuticals: X-45 is often combined with tributyl phosphate (TnBP) for virus inactivation in human plasma processing (e.g. inactivation of hepatitis C virus).
  5. Textile and leather: as fiber lubricant and leather degreaser.

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If you have any questions after receiving the goods, please contact us within 4 working days from the date of receipt of the goods and return it within seven days from the date of receipt of the goods in order to enjoy the After service.

If you do not return the status of this order, you purchase the goods invoice will receive the goods from seven to ten working days, please pay attention to the receipt box.

If you have any questions after receiving the goods, please contact us within 4 working days from the date of receipt of the goods and return it within seven days from the date of receipt of the goods in order to enjoy the After service.

If you do not return the status of this order, you purchase the goods invoice will receive the goods from seven to ten working days, please pay attention to the receipt box.