Pantetheine-S-sulfonic acid
Time: 2013-05-30 01:41:08
Pantetheine-S-sulfonic acid
Synonyms
Pantetheine sulfonate;
Thiosulfuric acid, S-(2-((3-((2,4-dihydroxy-3,3-dimethyl-1-oxobutyl)amino-1-oxopropyl)amino)ethyl) ester, (R)-;
Category
Anionic Surfactant
>> Sulfonate
>> Amido Sulfonate
>> Pantoyl Sulfonate
Chemical Numbering System
CASRNN/A
EINECSN/A
Molecular Formula & Molecular Weight
Molecular Formula: C22H22N2O7S2
Molecular Weight: 358.43
Structure
Properties
Appearance    (1), liquid.
Solubility    soluble in water.
Stability    stable.
Risk    Liquid form: corrosion; flammable material; irritation, irritation to skin, eye. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.6) label:   
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent emulsifying, dispersing, cleansing abilities.
Note    (1), Carefully use in children products.
Synthesis
(1), D-pantothenic acid reacts with 2-aminoethanethiosulfuric acid, then obtain.
(2), Extract from carrots.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Liquid
Actives, %, ≥
90.0
Test Methods
(1), Actives
GB/T 5173 Surface active agents and detergents-Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
2. Hazardous substances indexes
Item
Hazardous substances indexes
Liquid
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.
(b), Used in cosmetics, should be test for harmful substances; or furtherly test for microorganisms.
Major Uses
1. Typical Applications
Use as whitening agent.
2. Personal care products
Conditioning agent, whitening agent in personal care products.
Good whitening effect.
Manufacturers
 
Update: 20131029(1); 20171015(2);