China Suppliers Factory White Powder - CAS 1843-03-4 for Quality Chemicals
Product Description
| Chemical Name | 1,1,3-TRIS(2-METHYL-4-HYDROXY-5-TERT-BUTYLPHENYL)BUTANE | ||
| CAS No. | 1843-03-4 | ||
| Molecular Structure |
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| Product Form | White powder | ||
| Specifications | TEST | SPECIFICATION | |
| Melting Point (℃) | 181–186 | ||
| Volatile Content (%) | ≤ 0.5 | ||
| Ash (%) | ≤ 0.10 | ||
| Transmittance (%) | |||
| 425 nm | ≥ 80.00 | ||
| Application | Antioxidant CA is a high-efficiency phenolic antioxidant, suitable for a wide range of materials including PP, PE, PVC, polyamides, ABS resins, polystyrenes, and cellulose plastics. It features low volatility, high thermal stability, non-polluting and non-discoloring properties, and maintains stability without decomposition during high-temperature processing—significantly enhancing the heat resistance and oxidation stability of end products. This product also exhibits excellent copper damage inhibition performance, making it particularly suitable for polyolefin cable products. When compounded with DLTDP, DSTDP, or ultraviolet absorbers, it delivers outstanding synergistic effects. The recommended dosage ranges from 0.02% to 0.5%. | ||
| Package | / | ||
Frequently Asked Questions
Q
What is Antioxidant CA (CAS 1843-03-4) and what type of antioxidant is it?
Antioxidant CA, with the chemical name 1,1,3-Tris(2-methyl-4-hydroxy-5-tert-butylphenyl)butane and CAS No. 1843-03-4, is a high-efficiency hindered phenolic antioxidant. It appears as a white powder and is widely used in polymer processing to prevent oxidative degradation.
Q
What materials is Antioxidant CA compatible with?
Antioxidant CA is compatible with a broad range of polymers including polypropylene (PP), polyethylene (PE), PVC, polyamides, ABS resins, polystyrenes, and cellulose plastics. Its versatility makes it a popular choice across multiple industries.
Q
What is the recommended dosage for Antioxidant CA in polymer applications?
The recommended dosage for Antioxidant CA ranges from 0.02% to 0.5% by weight, depending on the specific material and processing conditions. Users should adjust within this range to achieve optimal antioxidant performance without affecting product appearance.
Q
Can Antioxidant CA be used in combination with other stabilizers?
Yes. Antioxidant CA delivers excellent synergistic effects when compounded with thioester antioxidants such as DLTDP or DSTDP, as well as with ultraviolet (UV) absorbers. These combinations provide comprehensive protection against both thermal oxidation and UV degradation.
Q
Is Antioxidant CA suitable for use in cable and wire applications?
Yes. Antioxidant CA exhibits excellent copper damage inhibition performance, which makes it particularly well-suited for polyolefin cable products. This property helps prevent the catalytic oxidation caused by copper conductors, extending the service life of cables significantly.
Q
What are the key physical and thermal properties of Antioxidant CA?
Antioxidant CA has a melting point of 181–186 ℃, a volatile content of ≤ 0.5%, an ash content of ≤ 0.10%, and a transmittance of ≥ 80.00% at 425 nm. These properties confirm its high thermal stability, low volatility, and non-discoloring characteristics, making it ideal for high-temperature polymer processing.