Sodium Polymethylnaphthalenesulfonate
time:2013-04-23 12:41:52,count:0
Sodium Polymethylnaphthalenesulfonate
Alias
Methylnaphthalenesulfonic acid formaldehyde polymer sodium salt
Category
Anionic surfactants-Sulfonate
CAS No.
 
Structural Formula
Schematic formula:
 
Properties
Appearance: brown or dark brown powder.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable possibly.
Characteristics: excellent dispersing, emulsifying abilities. certain tolerance to inorganic electrolyte.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
60-90
GB/T 5173
pH (25℃, 1%)
7.0-9.0
GB/T 6368
*: should be marked on molecular weight.
Major Uses
Dispersing agent, leveling agent in disperse dyes, reactive dyes, vat dyes widely. can be grinded with dyes.
Water-reducing agent in concrete industry.
Dispersing agent in pesticide.
Use as dispersing agent, emulsion stabilizer.
Manufacturers
 
Update: 20131025(1);

 

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