o-Toluenesulfonamide
Synonyms
Tosylamide;
2-Methylbenzenesulfonamide;
Category
Non-ionic surfactant
> Amide
>> Sulfonamides
Chemical Numbering System
CAS: 88-19-7
EINECS: 201-808-8
Molecular Formula & Molecular Weight
Molecular Formula: C7H9NO2S; C7H9N1O2S
Molecular Weight: 171.22
Structure
Properties
Appearance (1), solid.
Solubility slightly soluble in water.
Physical - chemical properties
|
Water solubility, g/L |
1.62 (25°C)[1] |
Stability stable.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
rat oral LD50 |
4870mg/kg[2] |
Reproductive effect[2].
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent dispersing, emulsifying abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
Major Uses
1, Typical applications
Use as dispersing agent, emulsifying agent.
Use as plasticizer.
Use as intermediates in organic synthesis.
Manufacturers
References
[1]: HSDB. 88-19-7, o-Toluenesulfonamide
[2]: ChemIDplus. 88-19-7, o-Toluenesulfonamide
Update: 20130917(1); 20190818(2);