Technical Data Sheet


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Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow Form No. 119-01943-1107
TERGITOL? 15-S-20 Surfactant
Product Information

Chemical
Description
Name: Secondary Alcohol Ethoxylate
Surfactant Type: Nonionic
Benefits ? Excellent emulsion stabilizer with low
reactor residue
? Provides freeze/thaw & ionic stability
? Good handling properties

? High HLB emulsifier & dispersant
? Electrolyte solubility
? High temperature wetting

Applications ? Emulsion polymerization
? Paper & textile processing
? Solid cleaners

Typical Physical Properties
Actives, wt% 100
Cloud Point (1) >100
HLB (2) 16.3
Moles EO 20
Pour Point(3) 35
Appearance White solid
pH, 1% aq solution 6.6
Viscosity at 50°C (122°F), cP 49
Density at 40°C (104°F), g/mL 1.038
Flash Pt, Closed Cup, ASTM D93 232°C 450°F
(1) Cloud point: °C, 1 wt% actives aqueous solution
(2) HLB Range: <10 w/o emulsifier, > 10 o/w emulsifier, 10-15 good wetting, 12-15 detergents (3) Pour point: °C

Typical Performance Properties
CMC(4) 315
Surface Tension(5) 38
Foam Height(6) 112/42

(4) Critical Micelle Concentration: ppm at 25°C
(5) Surface tension: dynes/cm at 1% actives, 25°C
(6) Ross-Miles foam height: mm at 0.1 wt% actives, 25°C, initial / 5 minute

Solubility and
Compatibility
? Soluble in water
? Soluble in chlorinated solvents and polar organic solvents
? Chemically stable in the presence of dilute acids, bases and salts
? Compatible with anionic , cationic, and other nonionic surfactants
Contact information goes here:
North America: 1-800-447-4369
Europe: (+32) 3-450-2240
Asia/Pacific: (+852) 2879 7339
Other areas: 1-989-832-1556
http://www.dow.com/surfactants
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