Chemical Name: Light Stabilizer-944
CAS No.: 70624-18-9
Appearance: White powder or light yellow granules
Package: 25kg carton inner with plastic bag or as customer’s requirement.
Assay: ≥ 99.0%
Sample: available
Light Stabilizer 944 CAS 70624-18-9
Description
Light Stabilizer 944 Quick Details
Chemical Name: Light stabilizer 944
Synonyms: HALS 944; UV 944
CAS No.: 70624-18-9
Molecular Formula: (C35H66N8)n=4-5
Molecular Weight: 708.34
Chemical Structure: 
Appearance: White or light yellow solid
Assay: ≥ 99.0%
Typical Properties
| Item | Specifications |
| Appearance | White or light yellow solid |
| Light transmittance | ≥93% (425nm) ≥95% (450nm) |
| Molecular weight | 2000-3100 g/mol |
| Melting point | 110-130°C |
| Density | 1.05 g/cm3 |
| Volatiles | ≤0.5% |
| Ash | ≤0.1% |
Typical usage
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Polyolefin Polymers: Highly effective in Polyethylene and Polypropylene (PP) applications, providing long-term thermal stability and UV degradation resistance.
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Plastic Fibers & Films : Ideal for thin articles such as agricultural films, stretched tapes, PP fibers, geotextiles, and woven bags due to its low volatility and high resistance to extraction.
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Engineering Plastics & Elastomers: Applied in TPO, PA, PU, and styrenic polymers to enhance lightfastness and weatherability.
Packaging and Shipping
Package: 25kg carton inner with plastic bag or as customer’s requirement.
Light Stabilizer 944 Storage
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Store in a cool, dry, dark, and well-ventilated warehouse.
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Keep away from direct heat, sunlight, moisture, and strong acidic environments.
Light Stabilizer 944 Features
Light stabilizer 944 is a polymeric high molecular weight hindered amine light stabilizer, with low volatility, migration resistance and high temperature resistance. It has excellent synergetic effect with antioxidants and UV absorbers.
Light Stabilizer 944 Safety
The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling.
Shelf Life: 24 Months under recommended sealed conditions.
