Light Stabilizer 770, CAS No.: 52829-07-9
Light Stabilizer 770 is a low molecular weight hindered amine light stabilizer (HALS) with the chemical name Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate. It is also known as HALS 770, UV-770, Tinuvin 770, Sanol 770, ADK Stab LA-77 and Mark LA-77.
Chemical Name: Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate
IUPAC Name: Bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate
Alternative Chemical Name: Decanedioic acid bis(2,2,6,6-tetramethyl-4-piperidyl) ester
Common Names: Light Stabilizer 770, HALS 770, UV-770, UV 770, Tinuvin 770, Sanol 770, ADK Stab LA-77, Mark LA-77, Eversorb 90, Sumisorb 577
CAS No.: 52829-07-9
Molecular Formula: C28H52N2O4
Molecular Weight: 480.72 g/mol
EC No.: 258-207-9
Chemical Class: Hindered Amine Light Stabilizer (HALS)
Light Stabilizer Type: Low molecular weight HALS

Appearance: White powder or granules
Content: ≥ 99.0%
Transmittance: 425nm ≥ 98%
500nm ≥ 99%
Volatile matter: ≤ 0.5%
Ash content: ≤ 0.1%
Melting point: 81℃ - 86℃
Used as a light stabilizer, it is suitable for polypropylene, high-density polyethylene, polyurethane, polystyrene, ABS resin, and other materials; its light-stabilizing performance surpasses that of commonly used light stabilizers. When used in combination with antioxidants, it enhances heat resistance; when used with UV absorbers, it exhibits a synergistic effect that further improves light stability.
25 kg carton/cardboard drum, lined with plastic bags.
12000MT/year.
Store Light Stabilizer 770 in a cool, dry and well-ventilated area.
Keep the product in tightly closed original packaging and protect it from moisture, excessive heat and direct sunlight.
Hosea Chem® supplies Light Stabilizer 770, CAS 52829-07-9, for industrial applications requiring hindered amine light stabilization and improved polymer weathering resistance.