CAS:16545-54-3
Molecular Formula:C34H66O4S
Molecular Weight:570.95
EINECS:240-613-2
Products
DMTDP CAS 16545-54-3
DMTDP soluble in benzene, acetone and other organic solvents, insoluble in water. DMTDP is a white granular powder with a molecular formula of C34H66O4S and a molecular weight of 570.95.
| Item | Specification |
| Melting point | 48-53 °C(lit.) |
| Boiling point | 624.1±40.0 °C(Predicted) |
| Density | 0.934±0.06 g/cm3(Predicted) |
| LogP | 13.954 (est) |
DMTDP CAS 16545-54-3 (Dimyristyl Thiodipropionate) is a highly efficient secondary thioester antioxidant used in plastics, rubber, elastomers, and polymer processing systems. It effectively improves thermal oxidation stability and helps extend the service life of polymer materials.
Typical applications include:
- Polypropylene (PP) and polyethylene (PE) stabilization
- ABS, PVC, and engineering plastics
- Rubber and elastomer formulations
- Adhesives and polymer compounds
- Industrial plastic processing systems
As part of the Unisun Chemical Home product portfolio, DMTDP can be used together with other Antioxidant Products to improve long-term thermal stability in demanding industrial applications.
For enhanced polymer durability, DMTDP is often combined with related stabilizers such as Antioxidant 1135 CAS 125643-61-0, Antioxidant 5057 CAS 68411-46-1, and UV Absorber Products
- Excellent secondary antioxidant performance
- Efficient hydroperoxide decomposition ability
- Improves long-term heat-aging resistance
- Good compatibility with polymer systems
- Suitable for PE, PP, ABS, PVC, and elastomers
- Helps reduce thermal degradation during processing
- Synergistic effect with phenolic antioxidants
DMTDP is an ideal stabilization additive within the Unisun Chemical Products range for manufacturers requiring reliable antioxidant protection for polymer applications.
For advanced stabilization systems, DMTDP can also be formulated with Light Stabilizer Products and related polymer additives to improve outdoor durability and weather resistance.
25kg/drum or according to customer requirements.
Q1. What is DMTDP CAS 16545-54-3 used for?
DMTDP is mainly used as a secondary thioester antioxidant in plastics, rubber, elastomers, and polymer systems to improve oxidation resistance and thermal stability.
Q2. Is DMTDP suitable for polypropylene and polyethylene?
Yes. DMTDP is widely used in PP and PE applications because it provides excellent heat-aging resistance and long-term processing stability.
Q3. How does DMTDP improve polymer stability?
DMTDP decomposes hydroperoxides generated during thermal oxidation, helping reduce polymer degradation during processing and long-term use.
Q4. Can DMTDP be used with phenolic antioxidants?
Yes. DMTDP is commonly used together with Antioxidant Products such as phenolic antioxidants for synergistic stabilization performance.
Q5. Can DMTDP be combined with UV stabilizers?
Yes. DMTDP can be formulated together with UV Absorbers and Light Stabilizers to improve outdoor durability and weather resistance.
Q6. Where can I find more polymer additives from Unisun Chemical?
You can explore more antioxidant and polymer stabilization products on the Unisun Chemical Home Page.
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