H-Sil® 1108 is a low-molecular-weight, nonionic silicone polyether surfactant blend that imparts low surface tensions to formulated products. This product improves the spreading and wetting properties of household, industrial, and coating products. In spray adjuvant applications, it gives aqueous surface tensions of less than 23 mN/M.

Chemical Name: Poly(oxy-1,2-ethanediyl), .alpha.-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propyl]-.omega.-hydroxy-

CAS Number: 67674-67-3, 75-56-9, 75-21-8

Functions: Surfactant, Surfactant (Nonionic)

Chemical Family: Polyethers, Silicones, Siloxanes

Synonyms: Heptamethyltrisiloxane-polyoxyethylene allyl ether adduct, α-[3-[1,3,3,3-Tetramethyl-1-[(trimethylsilyl)oxy]-1-disiloxanyl]propyl]-ω-hydroxypoly(oxy-1,2-ethanediyl)

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Activity100.0%-
Viscosity (at 25°C)40.0cps-
Surface Tension (at 0.1%)22.49--
Wetting Test (at 0.1% Aqueous)6secondsDraves Wetting Test
Cloud Point (at 0.1%)53.0°F-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
pH (at 1% in DI Wat er)4 - 7--
AppearanceClear--
Dispersible inWater--
Physical StateLiquid--
Flash Pointmin. 100°CPensky Martens Closed Cup
Explosive LimitsNot explosive--
Oxidising PropertiesNot oxidizing--
ColorPale Straw--
OdorSolvent--

Regulatory & Compliance

Packaging & Availability

Packaging Type
Supplied by
Packaging Information
  • 55 gallon non-returnable drum, 440 lbs net
  • 5 gallon plastic pail, 40 lbs net

Storage & Handling

Shelf Life
24 months
Storage & Handling Information
  • Store at room temperatures; tightly reseal drums after use.
  • Do not store in direct sunlight or in freezing temperatures.
  • Should be used within 24 months of delivery.