Substrate wetting Additive-AEOR 440

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Substrate wetting additives

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Substrate wetting Additive-AEOR 440

2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate; SURFYNOL® 440 ; 2,4,7,9-tetramethyl-5-decyne-4,7-diol; Acetylenol EL; 2,4,7,9-Tetramethyl-5-decyne-4,7-diol-ethylene oxide adduct; CAS 9014-85-1; Substrate wetting Additive; Nonionic Low-foam Dynamic Wetting Agent

AEOR 440 is a very good substrate wetting agent that offers good foam control with a moderate solubility in aqueous systems. It is suitable for waterborne coatings and inks, adhesives, agricultural chemicals, and numerous industrial specialty applications.

If you have any other questions or need other size, please get a quote.

Product Name 2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate
CAS 9014-85-1
Synonyms 2,4,7,9-tetramethyl-5-decyne-4,7-diol, Acetylenol EL, 2,4,7,9-Tetramethyl-5-decyne-4,7-diol-ethylene oxide adduct
EC Number 500-022-5
MDL Number MFCD00678776
IUPAC Name ethane-1,2-diol;2,4,7,9-tetramethyldec-5-yne-4,7-diol
Category Polymer/Macromolecule
Molecular Formula (CH3)2CHCH2C(CH3)[(-OCH2CH2-)mOH]C≡CC(CH3)[(-OCH2CH2-)nOH]CH2CH(CH3)2; C14H26O2
Molecular Weight 226.36
Special properties
  • Multi-functional surfactant
  • Provides dynamic wetting and molecular defoaming
  • 100% active matter content
  • Specifically designed for water-based systems
  • Reduce dynamic surface tension
  • Improve wetting of low-energy and/or contaminated substrates
  • Defoaming/de-air-entrainment in concrete and oil field cements
  • Wet and prevent smut formation in metalworking fluids
  • Has several global food contact compliances
  • Silicone-free, APEO free, non-toxic, solvent free
  • low-foam, dynamic surface tension reduction
  • good wetting of low-energy and/or contaminated substrates
  • suitable for food contact compliant formulations
Examples of application
  • Water-based printing inks
  • Water-based adhesives
  • Waterborne industrial coatings
  • Concrete and oil well cementing
  • Fountain solutions
  • Metalworking lubricants
  • General industrial coatings
  • Wood coatings
  • Architectural paints

Typical properties

Active matter 2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate, CAS#9014-85-1
Active matter content 100%
HLB value 8
Dynamic surface tension(0. 1%wt. , 6 b /s) 35.0 dynes/cm
Solubility in water slightly soluble
Suggested use level 0.2% – 2.0% of total formulation weight
Test Item Standard
Appearance Light yellow liquid
APHA Color (Pt-Co) ≤350
Density at 25°C, g/cm3 0.900-1.000
Processing instructions
  • Mix well when use.
  • Added and mixed after other surfactants.
  • Pigments, fillers or other solid should be added after AEOR 440 Substrate wetting Additive has been evenly mixed.
Package and storage

The standard package for this material is 180kg plastic drums, 4 drums/pallet.
The product can also be supplied in 20kg pails and 910kg IBCs.
Keep containers tightly closed in a dry, cool, and well-ventilated place. Product is normally freeze-thaw stable; if it phase separates or freezes at colder temperatures, warm container to 40°C and mix thoroughly before use. The shelf life for this product is 48 months from the date of manufacture.



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