Triisodecyl phosphite
Triisodecyl phosphite (CAS 25448-25-3) is an organophosphorus compound with the linear formula (C10H21O)3P and a molecular weight of 502.79 g/mol. It functions as a heat stabiliser, primarily utilised in polymer applications to prevent degradation caused by thermal stress during processing and use. This compound offers effective protection, contributing to the longevity and performance of various plastic materials. Tech Serve Solutions supplies this chemical for industrial and research purposes.
Polymer Heat Stabiliser
Triisodecyl phosphite is widely employed as a secondary heat stabiliser in polymers such as PVC and polyolefins. It works synergistically with primary stabilisers to prevent thermal degradation during high-temperature processing, extending the service life of polymer products.
Plastic Additive
As a key additive in the plastics industry, this phosphite ester enhances the processability and durability of various plastic formulations. It contributes to maintaining the physical properties and appearance of polymers under demanding conditions.
Materials Science Research
Researchers in materials science utilise Triisodecyl phosphite to investigate and develop new polymer systems and composite materials. Its stabilising properties are crucial for understanding material behaviour and optimising performance characteristics.
| Molecular weight | 502.79 |
|---|---|
| Linear formula | (C10H21O)3P |
| Boiling point | 166 °C(lit.) |
| Density | 0.884 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.46(lit.) |
| Application | Heat stabilizer for polymers |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Triisodecyl phosphite used for?
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Triisodecyl phosphite is primarily used as a heat stabiliser for polymers, offering protection against thermal degradation during processing and enhancing material durability.
What is the CAS number and formula for Triisodecyl phosphite?
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The CAS number for Triisodecyl phosphite is 25448-25-3, and its linear formula is (C10H21O)3P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triisodecyl phosphite in technical or research grades. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
What are the safety considerations for handling Triisodecyl phosphite?
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Triisodecyl phosphite is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used. Always consult the Safety Data Sheet before handling.
How is Triisodecyl phosphite packed and shipped?
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Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging and adherence to international shipping regulations for hazardous materials.
How can I request a sample or quote for Triisodecyl phosphite?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing your specific requirements.
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