Rosin Sodium Salt
Synonyms
Sodium rosinate;
Rosin acid, monosodium salt;
Rosin acids, sodium salt;
Rosin, sodium soap;
Wood rosin, sodium salt;
Resin acids and Rosin acids, sodium salts;
Category
Anionic Surfactant
> Carboxylate
>> Cyclic Carboxylate
>>> Alicyclic Carboxylate
>>>> Tricyclic Diterpene Carboxylate and its Derivatives
Chemical Numbering System
CAS: 61790-51-0
EINECS: 263-144-5
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Main ingredient:
Properties
Appearance (1), black-yellow solid; (2), yellow-brown liquid.
Solubility soluble in water, soluble in ethanol.
Stability stable. Easily oxidized.
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 cleansing, emulsifying, dispersing, lubricating, solubilizing, permeating abilities. Certain resistance to hard water.
Synthesis
Obtained that rosin reacts with sodium hydroxide.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
|
Liquid |
Solid |
|
|
Actives, %, ≥ |
45.0 - 80.0 |
95.0 |
|
pH (25°C, 1% solution) |
7.5 - 9.5 |
7.5 - 9.5 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
GB/T 5173 Surface active agents and detergents -- Determination of anionic-active matter by direct two-phase titration procedure
ISO 2271 Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
(2), pH
GB/T 6368 Surface active agents -- Determination of pH of aqueous solution - Potentiometric method
ISO 4316 Surface active agents -- Determination of pH of aqueous solutions -- Potentiometric 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.
(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 emulsifying agent, dispersing agent.
Use as cleansing agent.
Use as lubricant.
2, Personal care products
Cleansing agent, viscosity controlling agent in personal care products.
3, Household detergents
Cleansing agent in household cleaning products, for example, soap.
4, Machinery
Lubricant in water-based metalworking fluids.
5, Petroleum
Lubricant in drilling fluid.
6, Paper
Sizing agent in paper making.
7, Concrete
Air entraining agent, foaming agent, water reducing agent in concrete. Can improve strength of concrete, reduce mixing time.
Manufacturers
Update: 20131114(1); 20181023(2);