Adding ethylene oxide (EO) to Surfadol 541 surfactant increases the hydrophilic nature of the product, modifying its water solubility, wetting and defoaming characteristics. Depending on the ethylene oxide level, Surfadol 400 series surfactants function as low-foaming, nonfoaming or defoaming wetting agents in a variety of applications as below.
Waterborne Industrial Coatings
Waterborne Internal Can Coatings
Printing Inks
Pressure-Sensitive Adhesives
Paper Coatings
Metalworking Lubricants
Agricultural Chemicals
CAS Number: 9014-85-1
EINECS Number: 500-022-5
Chemical Name:
2,4,7,9-Tetramethyl-5-decyne-4,7-diol ethoxylate
Synonyms:
Polyoxyethylene 2,4,7,9-tetramethyl-5-decyne-4,7-diol
2,4,7,9-Tetramethyl-5-decyne-4,7-diol, ethoxylated
Ethoxylated 2,4,7,9-tetramethyl-5-decyn-4,7-diol
SURFYNOL 420
(source from ECHA website)
Appearance: light yellow liquid
APHA Color (Pt-Co): ~250
Active Content: 100%
Molecular Formula: (C2H4O)n.C14H26O2.(C2H4O)n
Boiling Point: >121 ºC
Density: 0.95 g/cm3
pH (1% aqueous solution): 6-8
Viscosity @ 20°C, cps: <250
HLB (Hydrophile-Lipophile Balance): 4
Dynamic Surface Tension: 32 dynes/cm
(0. 1% w.t. , 6 b/s)
Usage: 0.2%-2.0% w.t.
Shelf Life: 48 months
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