Quaternium-11
Synonyms
Ammonium, N-alkyl (C9-15) tolyl methyltrimethyl-, chloride;
Methyldodecylbenzyl trimethyl ammonium chloride and methyldodecylxylylene bis(trimethylammonium chloride);
Hyamine-2389;
Category
Cationic surfactant
> Quaternary Ammonium Salt
>> Fatty Quaternary Ammonium Salt
>>> Alkyl Quaternary Ammonium Salt
>>>> Mono-Linearalkylphenylalkyl Quaternary Ammonium Salt
Chemical Numbering System
CAS: 1399-80-0
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
R: alkyl.
Properties
Appearance (1), white to pale yellow solid; or colorless to pale yellow liquid.
Solubility soluble in water.
Stability stable. Decomposition by high heat.
Risk Solid form: flammable material; irritation, strong 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: 
Animal Toxicity
Table 1 Animal toxicity values
|
rat intraperitoneal LD50 |
10mg/kg[1] |
|
rat intravenous LD50 |
3.06mg/kg[1] |
|
rat oral LD50 |
389mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antistatic, antibacterial, antimicrobial, preservative, solubilizing, emulsifying, dispersing, anticorrosive abilities. Resistance to acid, light, hard water.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
90.0 |
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.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as disinfectant, antimicrobial agent, preservative.
Use as antistatic agent.
Use as emulsifying agent, dispersing agent.
Use as flocculant.
Use as deodorant.
2, Petroleum
Use as emulsifying agent, for example, used in emulsification of asphalt.
3, Textile, fiber, leather
Leveling agent in cationic dyes.
Antistatic agent in textile, fiber, leather.
4, Organic synthesis
Use as phase transfer catalyst.
5, Polymer
Use as emulsifying agent, for example, used in emulsification of rubber.
6, Water treatment
Antimicrobial agent in water treatment.
7, Forestry
Antimicrobial agent, preservative in wood processing.
8, Agriculture
Emulsifying agent, dispersing agent, antimicrobial agent in pesticides.
Manufacturers
References
[1]: ChemIDplus. 1399-80-0, Quaternium-11
Update: 20140510(1); 20190520(2);