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TERGITOL 15-S-7 Surfactant

TERGITOL 15-S-7 Surfactant

Product Description

TERGITOL 15-S-7 Surfactant is a biodegradable, clear liquid surfactant that is ideally suited for applications requiring outstanding surface-chemical performance from a water-soluble product. TERGITOL 15-S-7 Surfactant is a mixture of linear secondary alcohols reacted with ethylene oxide. As a nonionic surfactant, it is chemically stable in the presence of dilute acids, bases, and salts, and it is compatible with anionic, cationic, and other nonionic surfactants. TERGITOL 15-S-7 Surfactant is soluble in water, chlorinated solvents and most polar organic solvents.

Features and Benefits

The unique “T”-shaped molecular structure of TERGITOL 15-S-7 Surfactant, combined with the very low levels of unethoxylated secondary alcohols and low-mole adducts present, imparts highly desirable end-use features, including:

  • Excellent detergency performance
  • Outstanding wetting properties
  • Excellent rinseability
  • Low foam stabilities
  • Versatile solubility characteristics
  • Low pour point
  • Low neat and aqueous viscosities
  • Narrow aqueous gel range
  • Rapid dissolution rates
  • Low odor

Chemical Structure C12-14H25-29O[CH2CH2O]xH

Applications

TERGITOL. 15-S-7 Surfactant is one of the most versatile oil-soluble nonionic surfactants available. It is a proven performer in a myriad of industries, ranging from electronics to detergents. Specific end-uses for TERGITOL 15-S-7 Surfactant include:
  • Household and industrial laundry detergents
  • Hard-surface cleaners and degreasers
  • Industrial and institutional cleaners
  • Hydrocarbon and water-based laundry prespotters
  • Power car washes and care products
  • Paper deinking, rewetting, pulping, and deresinating
  • Oil-in-water emulsions
  • Textile wet processing
  • Dye assist and leveling agents for carpets and textiles
  • Wetting agent, coupling agent, and emulsifier for fiber lubricants
  • Emulsifier for polyethylene textile softeners
  • Dispersant, stabilizer, wetting agent for paints
  • Agricultural dispersant and wetting agent
  • Metal cleaners and acid-cleaning compounds
  • Low-temperature soak-tank cleaning systems
  • Oil field chemicals
  • Water treatment operations
  • Circuit board cleaners
  • Leather hide soaking, tanning, and dyeing operations.

Typical Properties*


Hydroxyl Number mg KOH/g 109
Molecular Weight (calculated from OH#) 515
Degree of Ethoxylation, mole/mole, avg 7.3
Degree of Ethoxylation, wt% 62

Actives Content, wt% 100
Water, wt% 0.05
Cloud Point (1% aqueous solution), °C (°F) 37 (99)
Pour Point, °C (°F) 2 (36)

pH (1% aqueous solution)
6.8
Viscosity at 25°C, cP 51
Color, APHA (Pt-Co) 40
Appearance at 25°C

Clear liquid

Specific Gravity at 20/20°C 0.992
Flash Point, Pensky-Martens Closed Cup, ASTM D 93, °C (°F) 187 (369)
HLB Number (calculated) 12.4
Surface Tension (1% aqueous solution), dynes/cm 28

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