Naphthalenesulfonic Acid,Dinonyl-,Barium Salt
Synonyms
Dinonyl naphthalenesulfonic acid barium salt;
Barium dinonylnaphthalenesulfonate;
Rust preventive agent 705;
Category
Anionic Surfactant
> Sulfonate
>> Aryl Sulfonate
>>> Naphthyl Sulfonate
>>>> Linear Alkylnaphthyl Sulfonate
Chemical Numbering System
CAS: 25619-56-1
EINECS: 247-132-7
Molecular Formula & Molecular Weight
Molecular Formula: C56H86BaO6S2; C56H88O6S2.Ba
Molecular Weight: 1056.74
Structure
Properties
Appearance (1), brown liquid; (2), solid.
Solubility insoluble in water.
Stability stable.
Risk Solid form: flammable material; irritation, moderate irritation to skin, eye, respiratory. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Liquid form: flammable material; irritation, moderate irritation to skin, eye. 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 anti-rust, lubricating, anti-wear, emulsifying, solubilizing, dispersing abilities. Good oil-soluble stability.
Synthesis
Naphthalene, nonyl alcohol and concentrated sulfuric acid react through the sulfonation condensation reaction, then barium hydroxide neutralizes, finally obtain product.
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Actives, %, ≥ |
30.0 - 60.0 |
Test Methods
(1), Actives
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, 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 anti-rust agent.
Use as lubricant.
2, Lubricant
Use as anti-rust agent, lubricant.
Excellent anti-rust effect.
For extreme pressure grease, anti-rust ability is excellent, and does not affect performance of extreme pressure.
Manufacturers
Update: 20131025(1); 20170330(2);