Guar gum, 2-hydroxypropyl 2-hydroxy-3-(trimethylammonio)propyl ether, chloride
Synonyms
Guar, 2-hydroxypropyl-2-hydroxy-3-trimethylammoniopropyl ether chloride;
Hydroxypropyl guar hydroxypropyltrimonium chloride;
Category
Cationic surfactant
> Quaternary Ammonium Salt
>> Polyquaternium
>>> Polysaccharides
Chemical Numbering System
CAS: 71329-50-5
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Schematic formula:
Properties
Appearance (1), pale yellow powder; or off-white powder.
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: 
Animal Toxicity
Table 1 Animal toxicity values
|
rat oral LD50 |
12000mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antistatic, emulsifying, dispersing, film-forming abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
85.0 |
Test Methods
(1), Actives
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 antistatic agent.
Use as flocculant.
Use as film-forming agent.
Use as emulsifying agent, dispersing agent.
Use as thickening agent.
2, Personal care products
Conditioning agent, antistatic agent in personal care products. Commonly used in opaque shampoo or transparent shampoo.
3, Papermaking
Use as retention and drainage aid.
4, Household detergents
Softening agent, thickening agent in household care products.
Manufacturers
References
[1]: ChemIDplus. 71329-50-5, Guar gum, 2-hydroxypropyl 2-hydroxy-3-(trimethylammonio)propyl ether, chloride
Update: 20140501(1); 20190624(2);