Enaspol

Spolostan 4G

Identification

Chemical description Sodium salt of low-molecular condensate of naphthalenesulfonic acid with formaldehyde
INCI name Sodium Polynaphthalenesulfonate
EC name Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt
CAS # 9084-06-4
EC # -
Spolostan 4G is an efficient dispersing agent for textile, rubber and plastic industries, suitable for use in dyeing, preparation and stabilization of dispersions. For its dispersing and levelling effect it is commonly used in the process of dyeing with PES disperse dyes, for levelling of basic dyes on PAN fibres and for levelling of anionic dyes on PAD fibres.
 
Spolostan 4G may also be applied in agriculture as a dispersing agent of pesticides and insecticides to provide wetting ability of dry powders into dispersible aqueous products, in paper industry to extract tall oil from black liquors, or in leather industry as a dispersant of insoluble tannings.

Physical and chemical properties

appearance at 20°C yellow-brown dust-free powder
active matter, % wt., min. 83.0
sodium sulfate, % wt., max. 10.0
pH, 1% aqueous solution 6.5 - 8.0

Application areas

Dyes and pigments
Leather industry
Paints coatings
Paper industry
Textile auxiliaries
Printing industry
Agriculture

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