Resorcinol, formaldehyde polymer
Synonyms
Formaldehyde, polymer with 1,3-benzenediol;
Polyoxymethylene resorcinol;
Resorcinol-formaldehyde resin;
Category
Polymer Surfactant
> Phenolic Polymer
Chemical Numbering System
CAS: 24969-11-7
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Schematic formula:
Properties
Appearance (1), solid; (2), liquid.
Solubility insoluble in water; or soluble in water. Solubility is related to synthesis process.
Stability stable.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent film-forming, adhesive, dispersing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
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 non-metallic material.
Use as film-forming agent.
Use as adhesive. Good low temperature curing performance.
2, Personal care products
Film-forming agent in personal care products.
Further information:
(1), In accordance with EU regulations (EC) No 1197/2013, directive 2009/134/EC, be included in Annex III/22.
Can be applied to:
(1a), Oxidative hair dye products: after mixing, maximum concentration is 1.25%.
(1b), Products intended for colouring eyelashes: after mixing, maximum concentration is 1.25%. Professional use only.
(1c), Hair lotions and shampoos: maximum concentration is 0.5%.
Manufacturers
Update: 20191104(1);