Branched Dodecylbenzene Sulfonate Sodium Salt
time:2012-09-28 16:24:16,count:0
Branched Dodecylbenzene Sulfonate Sodium Salt
Alias
 
Category
Anionic surfactants-Sulfonate
CAS No.
 
Molecular Formula & Molecular Weight
Molecular Formula: C18H29NaSO3
Molecular Weight: 348.48
Structural Formula
R: C12-branched.
Properties
Appearance: (1), liquid; (2), slurry; (3), white or slightly yellow powder.
Solubility: soluble in water.
Hygroscopicity: extremely hygroscopic.
Stability: stable.
Risk: irritation, moderate irritation to skin, eye.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: hardly biodegradable.
Characteristics: excellent cleansing, wetting, foaming, dispersing, emulsifying abilities. good compatibility. Weak resistance to hard water, used in conjunction with chelating agent.
Notes: hardly biodegradable. Avoid to use if possible.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
appearance
Actives*, %
pH (25℃, 1%)
20 type
pale transparent liquid or solid
20±2
7.5-9.5
30 type
liquid; or solid
30±2
7.5-9.5
40 type
liquid; or solid
40±2
7.5-9.5
50 type
slurry; or solid
50±2
7.5-9.5
60 type
solid
60±2
7.5-9.5
70 type
solid
7±2
7.5-9.5
80 type
solid
80±2
7.5-9.5
90 type
solid
90±2
7.5-9.5
test methods
eye observation
 
 
*: should be marked on molecular weight.
Major Uses
Emulsifying agent in emulsion polymerization.
Use as cleansing agent.
Manufacturers
 
Update: 20131025(1);

 

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