China Suppliers Factory White to Slightly Yellow Powder LS144 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 |
| Product Form | White to slightly yellow powder |
| Package | / |

Molecular Structure
Specifications
| Test Parameter | Specification / Value |
|---|---|
| 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 & Performance
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.
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.
Frequently Asked Questions (FAQ)
Q:
What is the chemical composition and CAS number of Yihoo LS144?
Yihoo LS144 is chemically known as Bis(1,2,2,6,6-pentamethyl-4-piperidyl) [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]butylmalonate. Its CAS registry number is 63843-89-0.
Q:
What are the main application areas for Yihoo LS144?
It is highly recommended for high-performance coating systems, specifically automotive coatings, coil coatings, and powder coatings.
Q:
How does Yihoo LS144 improve coating durability?
By integrating hindered amine light stabilizer (HALS) and sterically hindered phenolic antioxidant groups, it effectively mitigates common coating defects such as cracking and gloss reduction, extending the service life of the coated films.
Q:
Can Yihoo LS144 be used with ultraviolet absorbers?
Yes. When compounded with ultraviolet absorbers, its performance is significantly boosted. This synergistic combination provides exceptional protection against gloss reduction, cracking, blistering, peeling, and discoloration.
Q:
What is the melting point and physical form of Yihoo LS144?
Yihoo LS144 is supplied as a white to slightly yellow powder and has a melting point range of 146.0 ℃ to 150.0 ℃.
Q:
What is the solubility of Yihoo LS144 in common organic solvents?
At 20 °C, its solubility (g/100 g solution) is 10 in xylene, 10 in butyl acetate, 10 in Solvesso 100, 9 in methylethylketone, and less than 0.01 in water.

![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)