![Bis(1,2,2,6,6-Pentamethyl-4-Piperidyl)-[[3,5-Bis(1,1-Dimethylethyl)-4-Hydroxyphenyl]Methyl]Butylmalonate.jpg](https://ecdn6-nc.globalso.com/upload/p/5504/image_other/2026-01/bis-1-2-2-6-6-pentamethyl-4-piperidyl-3-5-bis-1-1-dimethylethyl-4-hydroxyphenyl-methyl-butylmalonate.jpg)
China Suppliers LS144 White to Slightly Yellow Powder - Factory Direct CAS 63843-89-0
Product Description
| Chemical Name | Bis(1,2,2,6,6-pentamethyl-4-piperidyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate | ||
| CAS Number | 63843-89-0 | ||
| Molecular Structure |
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| Product Form | White to slightly yellow powder | ||
| Specifications | Test | Specification | |
| Melting Point (℃) | 146.0 – 150.0 | ||
| Solubility (g/100 g solution) at 20 °C | |||
| Butylcarbitol | 1.5 | ||
| Butanol | 2.5 | ||
| Butyl Acetate | 10 | ||
| Ethylglycol | 1.5 | ||
| 1-Methoxypropylacetate | 1 | ||
| Methylethylketone | 9 | ||
| Solvesso 100 ¹ | 10 | ||
| Solvesso 150 ¹ | 5 | ||
| Xylene | 10 | ||
| Water | ＜0.01 | ||
| Application |
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Yihoo LS144 is a high-performance multifunctional additive integrating hindered amine light stabilizer (HALS) and sterically hindered phenolic antioxidant groups. It can maximally mitigate common coating defects including cracking and gloss reduction, thereby effectively extending the service life of coated films.
Yihoo LS144 is recommended for a wide range of high-performance coating systems, specifically automotive coatings, coil coatings, and powder coatings. When compounded with ultraviolet absorbers, its performance is significantly boosted. Such synergistic combinations can provide exceptional protective effects for automotive coatings, effectively resisting a series of degradation issues including gloss reduction, cracking, blistering, peeling, and discoloration. |
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❓ Frequently Asked Questions
Q
What is Yihoo LS144 and what is its CAS number?
Yihoo LS144 is a high-performance multifunctional light stabilizer and antioxidant additive, chemically known as Bis(1,2,2,6,6-pentamethyl-4-piperidyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate. Its CAS number is 63843-89-0.
Q
What type of coating systems is Yihoo LS144 recommended for?
Yihoo LS144 is recommended for a wide range of high-performance coating systems, including automotive coatings, coil coatings, and powder coatings. It is particularly effective when used in systems requiring long-term weathering protection.
Q
How does Yihoo LS144 protect coatings from degradation?
Yihoo LS144 combines HALS (hindered amine light stabilizer) functionality with sterically hindered phenolic antioxidant groups. This dual-action mechanism helps prevent common coating failures such as cracking, gloss reduction, blistering, peeling, and discoloration, effectively extending the service life of coated films.
Q
Can Yihoo LS144 be used in combination with UV absorbers?
Yes. When Yihoo LS144 is compounded with ultraviolet (UV) absorbers, its protective performance is significantly enhanced. The synergistic combination delivers exceptional protection for automotive and industrial coatings against UV-induced degradation.
Q
What is the melting point of Yihoo LS144 and what does it look like?
Yihoo LS144 appears as a white to slightly yellow powder with a melting point range of 146.0 – 150.0 °C, ensuring good thermal stability during coating processing and application.
Q
What is the solubility of Yihoo LS144 in common solvents?
Yihoo LS144 shows varying solubility in common solvents at 20 °C. It has higher solubility in butyl acetate (10 g/100g), xylene (10 g/100g), Solvesso 100 (10 g/100g), and methylethylketone (9 g/100g), while it has very low solubility in water (<0.01 g/100g), making it suitable for solvent-based coating formulations.