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Lithium battery additives

Triethylamine trihydrofluoride

CAS number

73602-61-6

Molecular formula C6H18F3N
Product name Triethylamine trihydrofluoride
Molecular Structure

Appearance:Clear slightly yellow liquid.

Density:0.989

Boiling Point:70ºC (15 mmHg)

Melting Point:-2ºC

Flash Point:87ºC

Refractive Index:1.386-1.392

Water Solubility:soluble

Stability:Stable under normal temperatures and pressures.

Storage Condition:Keep Cold


CAS No. 73602-61-6 is a liquid with a light yellowish color that demonstrates relatively good solubility in water. It is a chlorinated aliphatic hydrocarbon used as a flame retardant for various industrial materials, as well as a water repellent material.


CAS No. 73602-61-6 is used to increase the flame retardant property of many types of materials, such as plastics, rubbers, textiles and coatings. Its main function is to reduce the burning speed and to create a smoke suppressant layer. In textiles, its use is to reduce the burning rate and to create thin cotton layer that increase the char time. It can also be used in flexible foams to reduce the emission of combustible materials.


Apart from that, CAS No. 73602-61-6 is also employed as water repellent agent, which has a quite wide field of applications. It is commonly used to make asphalt and other materials water-resistant. It can also be used to make concrete waterproof, especially in areas where the material will be exposed to intense rain. It can also make paints, sealants and lacquers more resistant to water, reducing the possibility of water damage.


In conclusion, CAS No. 73602-61-6 has a wide range of uses in the chemical and industrial sectors. In terms of flame retardant materials, it can reduce the burning rate, while also helping to create a smoke suppressant layer. In terms of water-repellent applications, it can enhance the resistance of materials such as asphalt, concrete, paints and lacquers, making them more durable when exposed to rain and other water sources.


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