Hexamidine diparaben
Synonyms
p-Hydroxybenzoic acid, compound with p,p'-(hexane-1,6-diylbis(oxy))bis(benzamidine) (2:1);
Category
Cationic Surfactant
> Amidine Salt
Chemical Numbering System
CAS: 93841-83-9
EINECS: 299-055-3
Molecular Formula & Molecular Weight
Molecular Formula: C34H38N4O8; C20H26N4O2.2C7H6O3
Molecular Weight: 630.69
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 antimicrobial, antibacterial, preservative, anti-infective, antistatic, dispersing, emulsifying, anticorrosive 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 antimicrobial agent, antibacterial agent, preservative.
Use as antistatic agent.
Use as dispersing agent, emulsifying agent.
2, Personal care products
Preservative in personal care products.
Further information:
(1), In accordance with Safety and Technical Standards for Cosmetics (2015 Edition) of China, be included in the allowed preservatives.
Maximum concentration is 0.1%.
(2), In accordance with EU regulations (EC) No 1223/2009, directive 2007/17/EC, be included in Annex V/47.
Maximum concentration is 0.1%.
Manufacturers
Update: 20200329(1);