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PEL-SIL™ 648 reduces the surface tension of aqueous solutions significantly lower than conventional nonionic surfactants can. Even at concentrations as low as 0.01 percent, PEL-SIL™ 648 will reduce surface tension below 23 dynes/cm. It produces very rapid wetting and spreading on hard-to-wet surfaces such as waxy leaves. PEL-SIL™ 648 allows complete coverage with herbicides, insecticides, fungicides and other agricultural chemicals. It is a low molecular weight nonionic silicone polyether surfactant, developed to improve the wetting, spreading and penetration of agricultural chemicals. It may be used as an ingredient in pesticide products, or as a tank-mix adjuvant for foliar applied chemicals. PEL-SIL™ 648 meets the requirements of US EPA regulation 40 CFR 180.910 regarding “tolerances and exemption from tolerances for pesticide chemicals in or on raw agricultural commodities.” It is approved for both food and nonfood use.

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

Functions: Surfactant, Surfactant (Nonionic), Wetting Agent

Labeling Claims: Biodegradable

Certifications & Compliance: EPA Registered

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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Knowde Enhanced TDS

Identification & Functionality

Agrochemical Functions
CAS No.
67674-67-3
EC No.
614-100-2

Features & Benefits

Labeling Claims
Product Features
  • Low foam wetting agent
  • Readily biodegradable
  • Useful wetting agent for herbicidal formulations

Applications & Uses

Application Technique
Home Care Applications
I&I Cleaning Applications
Recommended Uses

PEL-SIL 648 meets the requirements of US EPA regulation 40 CFR 180.910 regarding “tolerances and exemption from tolerances for pesticide chemicals in or on raw agricultural commodities.” It is approved for both food and nonfood use.

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Active Ingredient100%wt
Colormax. 3Gardner
Density (at 20°C)1.02
Flash Pointmin.200°FClosed Cup
pH (in Isopropanol/Water Mixture)6.0 - 8.0
Viscosity (at 25 °C)50cps
Water Contentmax. 0.5%Karl Fischer

Regulatory & Compliance

Certifications & Compliance

Technical Details & Test Data

Solubility & Compatibility
  • Stable at neutral pH
  • Compatible with other anionic & nonionic surfactants
  • Compatible with most herbicide formulations

Packaging & Availability

Packaging Type
Packaging
It is available in bulk and 55 gallon drums.

Storage & Handling

Shelf Life
The shelf life of this product is in excess of two years.