N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid
Synonyms
Ethanesulfonic acid, 2-((2-hydroxy-1,1-bis(hydroxymethyl)ethyl)amino)-;
TES;
Category
Zwitterionic Surfactant
> Sulfonate Type
>> Taurine and its Derivatives
Chemical Numbering System
CAS: 7365-44-8
EINECS: 230-906-3
Molecular Formula & Molecular Weight
Molecular Formula: C6H15NO6S; C6H15N1O6S
Molecular Weight: 229.25
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Stability stable.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2, nitrogen oxides and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, antistatic, dispersing 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 buffering agent.
Use as intermediate in organic synthesis.
Use as cleansing agent.
Manufacturers
Update: 20190721(1);