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Antioxidant 1330

CAS No.:1709-70-2
Product Grade: Industrial Grade
Purity / Assay: 98% min
Molecular Formula:C₅₄H₇₈O₃
Molecular Weight:775.2
Synonym(s):AO 1330; 1,3,5-Trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene; Antioxidant 1330

Irganox 1330 (CAS 1709-70-2) is a high molecular weight hindered phenolic antioxidant commonly used to protect polymers and organic materials against oxidative degradation. With formula C54H78O3 and a bulky triphenolic structure, Irganox 1330 provides long-term thermal and processing stabilization by scavenging free radicals and decomposing hydroperoxides. It is widely applied in polyolefins, engineering plastics, elastomers, adhesives and lubricants where extended thermal stability and color stability are important.

KieRay Chem supplies authentic Irganox 1330 with consistent quality and reliable delivery. As a trusted supplier, KieRay Chem offers technical guidance for optimal dosing and compatibility testing, ensuring customers achieve extended service life for their products. Our logistics and quality control systems are designed to support large-scale manufacturing and R&D needs with dependable documentation and packaging options. Irganox 1330 is selected by formulators and purchasing teams that need dependable identity, consistent handling, and repeatable performance from batch to batch. KieRay Chem supports customers with responsive technical communication, careful document control, export-ready packing, and stable supply planning. Our team can coordinate specification confirmation, sample evaluation, production scheduling, and international logistics so that this CAS 1709-70-2 material is easier to qualify and reorder.

1. Primary function as a primary antioxidant in thermoplastics and elastomers, scavenging free radicals during processing to prevent thermo‑oxidative chain scission and maintain polymer molecular weight. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1330 (CAS 1709-70-2).
2. Enhances thermal stability during high‑temperature processing (extrusion, injection molding), reducing discoloration and degradation products that impact mechanical and aesthetic properties. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1330 (CAS 1709-70-2).
3. Improves long‑term shelf life and in‑service durability of polymers exposed to heat and oxygen by slowing the formation of hydroperoxides and oxidative attack. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1330 (CAS 1709-70-2).
4. Compatible with a wide range of polymer matrices (polyethylene, polypropylene, ABS, styrenics) and often used in combination with phosphite secondary antioxidants for synergistic protection. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1330 (CAS 1709-70-2).
5. Useful in lubricants, adhesives and elastomer formulations to maintain physical properties under thermal stress and extend maintenance intervals for mechanical systems. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1330 (CAS 1709-70-2).
6. Easy to incorporate as a masterbatch or direct additive; KieRay Chem provides guidance on optimal concentrations, compounding methods and regulatory considerations for different market applications. It also helps users improve process consistency, manage production risk, and maintain predictable results across scale-up, routine manufacturing, and finished-product quality checks for Irganox 1330 (CAS 1709-70-2).

25kg/drum, 25kg/bag
CAS No.: 1709-70-2

Product Name: Antioxidant 1330

Purity / Assay:98% min
Molecular Formula:C₅₄H₇₈O₃
Molecular Weight:775.2
EINECS No.:216-954-0
Synonym(s):AO 1330; 1,3,5-Trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzene; Antioxidant 1330

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