Product Name: VPS 4721
Chemical Chinese name: Modified alkyl polysiloxane

2,3-epoxypropyltrimethoxysilane< 3%
Methanol<= 0.2%

Physical and chemical properties
appearance
appearance   liquid
colour Colorless to pale yellow
smell   equivocal
Physical state   liquid
Basic physical and chemical properties
PH value Not applicable
Melting point/melting point range   -67 °C
method: DIN / ISO 3016
Boiling point/boiling range   > 120 °C

flash point > 91 °C
method: DIN EN ISO 2719 (Pensky Martens, closed cup)
Flammability (solid, gas)   Not applicable
Ignition point    Not measured
Self igniting substance Not applicable
thermal decomposition   Not measured
Oxidizing property   Not applicable
peroxide Not applicable
Lower explosive limit   Not measured
Explosion upper limit   Not measured

Vapor pressure not measured
density   1.23 g/cm3 (20 °C)
method: German Industrial Standard (DIN) 51757
Water solubility   Not miscible
Hydrolysis decomposition
The octanol/water partition coefficient has not been determined
Dynamic viscosity 700-1200 mPa. s (25 ° C)
method: DIN 53019
Stability and reactivity
Reactivity   No dangerous reactions were observed under normal usage conditions.
chemical stability It is stable under the recommended storage conditions.
Possible harmful reactions No known dangerous reactions
Conditions to avoid   moisture-proof.
Incompatible materials   water
Harmful decomposition products Hydrolysis produces methanol. Hydrolysis produces methanol, which lowers the flash point of the product

Storage
Safe storage conditions, including any incompatible substances
Keep the container tightly sealed and store it in a cool, well ventilated place.
moisture-proof.

Evonik Degusa VPS 4721, VPS 4721 modified alkyl polysiloxane packaging specifications:

packing	Specifications
Iron bucket
Iron bucket

Evonik Degussa VPS 4721, VPS 4721 modified alkyl polysiloxane main application areas:

Product Usage: Sample, for scientific research purposes only
Paint additives

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