0102030405
Hals 770 Bis(2,2,6,6-TetramEthyl-4-Piperidyl)Sebacate CAS 52829-07-9
Features
Melting point: 82 - 85 °C (lit.)
Boiling point: 499.8±45.0 °C
Density: 1.01±0.1 g/cm³
Vapor pressure: 0 Pa at 20℃
Flash point (Fp): 421 °F
Storage temperature: 2 - 30°C
Solubility: 19% (w/w) in acetone at 20 °C
pKa: 10.49±0.10
Form: Powder to crystal
Color: White to almost white
Water solubility: 18.8 mg/L at 23℃
Specification
Items |
Specifications | |
| Appearance | White crystals or granular |
|
| Assay | 99.0%min |
|
| Volatiles | 0.50% max |
|
Ash |
0.1% max |
|
Transmittance |
425nm: 95.0% min
500nm: 97.0% min
|
|
Products Usage
UV-770 is a hindered amine light stabilizer (HALS), used for polypropylene (tapes, films, thick items), polyethylene (thin and thick items) styrenics (acrylonitrile butadiene styrene, polystyrene, high impact polystyrene), polyurethane, polyacetal, polyamide.
Package And Storage
Package:
25kg/carton drum or as your requirements.
Remark: Chemical composition and size can be optimized by the customers' requirements

Storage:
Keep container closed. Store in a dry place. Do not store at elevated temperatures. Keep from freezing. Do not reuse empty container.
Safety Protection
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.




