Calcium Lignosulphonate
time:2012-09-29 16:42:38,count:0

Calcium Lignosulphonate
Alias
Lignosulfonic acid, calcium salt
Calcium lignosulfonate
Calcium polignate
Category
Anionic surfactants-Sulfonate
CAS No.
8061-52-7
Structural Formula
main structural groups:
Properties
Appearance: yellow-brown to brown powder; or liquid.
Solubility: soluble in water.
Stability: stable to alkali. precipitation to acid.
Risk: irritation, irritation to skin, eye.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent dispersing, water-reducing, chelating, emulsifying abilities. good chelating effect to heavy metals, particularly iron, copper, and stannous ion.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
Actives*, %, ≥
40-80
 
reducing materials, %, ≤
15
 
pH (25℃, 1%)
7.5-10.5
 
*: should be marked on molecular weight.
Major Uses
Water-reducing agent in concrete processing widely.
Dispersing agent, filler in dyes.
Used in granulation of animal feed, as adhensive.
Manufacturers
 
Update: 20131027(1);

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