Tiangang® HS-765

Liquid Hindered Amine light stabilizer (HALS)

Chemical name Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate and methyl(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate
CAS number 41556-26-7 / 82919-37-7
Structure
 
Description
 
Tiangang® HS-765 is a highly effective liquid radical scavengers belonging to the Hindered Amine Light Stabilizer family of light stabilizers, well suited for use in a wide range of polymers to improve weatherability in applications including polyurethanes, sealants, adhesives, elastomers, unsaturated polyesters, acrylics, vinyl polymers (PVB, PVC), styrene homo- and copolymers, polyolefins, liquid color concentrates, and other organic substrates. It has low volatility and outstanding thermal stability. Its liquid form makes it easy for handling and incorporation. It has synergistic effect when used with a UV absorbent.

 
Typical properties

Tiangang® HS-765 Appearance Molecular weight Melting range Specific gravity
g/ml@ 20oC
Clear, slightly yellow liquid 508 n/a 0.99

 
Solubility @ 20oC (g/100 ml solvent)

Tiangang® HS-765 Water Acetone Chloroform Cyclohexane Ethanol Hexane Methylene chloride Toluene
0.001 > 50 > 50 > 50 > 50 > 50 > 50 > 50


Safety & handling

Tiangang® HS-765 The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling. Store the product in a cool, dry, well ventilated area away from incompatible materials.


DisclaimerThe information supplied is presented in good faith and has been derived from sources believed to be reliable. Since conditions of use are beyond our control, all risks are assumed by the user. No representation is expressed or implied, and nothing herein shall be construed as permission or recommendation to practice a patented invention without license.