Sodium p-Toluenesulfonate
time:2013-10-26 17:06:18,count:0

Sodium p-Toluenesulfonate
Alias
Sodium p-Tolyl Sulfonate
p-Toluenesulfonic acid sodium salt
4-Methylbenzenesulfonic acid sodium salt
Category
Anionic surfactants-Sulfonate
CAS No.
657-84-1
Molecular Formula & Molecular Weight
Molecular Formula: C7H7NaSO3
Molecular Weight: 194.18
Structural Formula
Properties
Appearance: white powder or crystals.
Solubility: soluble in water.
Stability: stable.
Risk: irritation, moderate irritation to skin, eye.
Animal toxicity[1]: mouse intravenous LD50: 1700mg/Kg.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent hydrotropic, viscosity reducing, pour point depressing, anti-caking, dispersing, emulsifying abilities.
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
liquid
solid
Actives*, %, ≥
30-50
90
 
pH (25℃, 1%)
7.0-9.5
7.0-9.5
 
*: should be marked on molecular weight.
Major Uses
Use as hydrotrope, anticoagulant, anti-caking agents widely. eg: household cleaning, industrial cleaning. In washing powder, can wrapp more moisture, and does not affect liquidity and viscosity.
Manufacturers
 
References
[1]:http://toxnet.nlm.nih.gov/: 657-84-1

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