Vitamin U
Synonyms
Sulfonium, (3-amino-3-carboxypropyl)dimethyl-, chloride, (S)-;
S-methylmethioninium chloride;
Category
Zwitterionic Surfactant
> Amino Acid Type
>> Amino acid and its Salts
Chemical Numbering System
CAS: 1115-84-0
EINECS: 214-231-1
Molecular Formula & Molecular Weight
Molecular Formula: C6H14ClNO2S; C6H14N1O2S.Cl
Molecular Weight: 199.70
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 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 anti-ulcer, emulsifying, dispersing, antistatic 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
Ninhydrin method
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 pharmaceutical ingredient. Has anti-ulcer effect. (For reference only.)
Manufacturers