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UV STABILIZER 944

UV STABILIZER 944

CAS Number: 71878-19-8

Molecular Formula: (C₃₅H₆₆N₈)ₙ

About UV STABILIZER 944

UV Stabilizer 944 is a polymeric hindered amine light stabilizer (HALS) known for its high molecular weight, excellent extraction resistance, and low volatility. It offers long-term protection against UV degradation, particularly in polyolefins, elastomers, and engineering plastics. This stabilizer is effective in both...

UV STABILIZER 944 Specifications

CAS Number
71878-19-8
Molecular Formula
(C₃₅H₆₆N₈)ₙ
Molecular Weight
>= 2,000–3,100 g/mol
IUPAC Name
Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-s-triazine-2,4-diyl][(2,2,6,6-tetramethyl-4-piperidyl)imino]-hexamethylene-[(2,2,6,6-tetramethyl-4-piperidyl)imino]]
Canonical SMILES
NC1(C(C)(C)C)CC(C1)NC(=O)C1CC(C(C)(C)C)NC(C1)C(=O)N(C(C)(C)C)C(C)(C)C
PubChem CID
93418
EINECS Number
274-570-6
HSN No
2921.59.90
Appearance
White to slightly yellowish granular powder
Melting Point
100–135°C
Molecular Weight
>= 2,000–3,100 g/mol
Solubility
Slightly soluble in water; soluble in organic solvents such as acetone, chloroform, ethyl acetate, and toluene
Volatility:
Low
Ash Content
≤0.1%
Transmittance
At 425 nm: ≥90% At 450 nm: ≥93%
Synonyms
UV783 UV944 HS-944 UV-783 UV-944 LS 944 HALS 944 HALS 783 BHSORB-783 BHSORB-944 Tinuvin 944 Primesorb944 Chimassorb 944 ACETOSTAB UV-944 Photo-stabilizer 944 Light stabilizer 944 light stabilizer-944 Light Stabilizing Agent 944 Hindered amine light stabilizer 944 Hindered amine light stabilizer 783 Hindered Amine Light Stabilizer Hs-944 N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)hexane-1,6-diamine 6-hexanediamine,n,n'-bis(2,2,6,6-tetramethyl-4-piperidinyl)-polymerwith2 Poly-{[6-[(1,1,3,3-tetramethylbutyl)-imino]-1,3,5-triazine-2,4-diyl][4-(2,2,6,6-tetramethylpiperidyl)-imino]} N,N'-bis(2,2,6,6-Tetramethyl-4-piperidinyl)hexamethylenediamine,2,4,6-trichloro-1,3,5-triazine,1,1,3,3-tetramethylbutylaminepolymer Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-s-triazine-2,4-diyl]-[(2,2,6,6-tetramethyl-4-piperidyl)imino]-hexamethylene-[(2,2,6,6-tetramethyl-4-piperidylimino]] 1,6-Hexanediamine, N,N-bis(2,2,6,6-tetramethyl-4-piperidinyl)-, polymer with 2,4,6-trichloro-1,3,5-triazine, reaction products with 2,4,4-trimethyl-2-pentanamine poly{[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4-diyl][(2,2,6,6-tetramethyl-4-piperidyl)imino]-1,6-hexanediyl[(2,2,6,6-tetramethyl-4-piperidyl)imino]} 1,6-hexanediamine, n,n'-bis(2,2,6,6-tetramethyl-4-piperidinyl)-, polymer with 2,4,6-trichloro-1,3,5-triazine, reaction products with 2,4,4-trimethyl-2-pentanamine Poly-{[6-[(1,1,3,3-Tetramethylbutyl)Amino]-1,3,5-Triazine-2,4-Diyl][(2,2,6,6-Tetramethyl-4-Piperidyl) Imino]-1,6-Hexanediyl[(2,2,6,6-Tetramethyl-4-Piperidyl)Imino]} Poly-{[6-[(1,1,3,3-tetramethylbutyl)-imino]-1,3,5-Triazine-2,4-diyl] [2-(2,2,6,6-tetramethylpiperidyl)-amino]-hexamethylene-[4-(2,2,6,6-tetramethyl Piperidyl)-imino]}
Safety
In accordance with good industrial practice, handle with care and avoid unnecessary personalcontact.Avoid continuous or repetitive breathing of dust. Use only with adequate ventilation. Avoiddust formation and ignition sources.

Polyolefins

Enhances UV resistance in polypropylene (PP) and polyethylene (PE) products

Olefin Copolymers

Effective in ethylene-vinyl acetate (EVA) and blends of polypropylene with elastomers

Engineering Plastics

Applicable in polyacetals, polyamides, polyurethanes, flexible and rigid PVC, and certain styrenic elastomers

Specialty Applications

Used in adhesives and coatings requiring UV stability

Coatings & Adhesives

Provides UV stability in adhesives, coatings, and specialty resins

Automotive & Outdoor Applications

Protects automotive components, outdoor furniture, and agricultural films from UV degradation

Temperature

Store in a cool, dry place at temperatures below 25°C (77°F)

Environment

Protect from direct sunlight and moisture

Packaging Options

Available in 25 kg cartons with inner plastic lining or as per customer requirements

UV STABILIZER 944 FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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