Products Description
Triisotridecyl phosphite is high molecular weight phenol-free phosphite secondary antioxidant,High molecular weight, low volatility, excellent hydrolysis resistance, phenol-free & eco-friendly. It efficiently decomposes hydroperoxides under high temperature processing and has strong synergistic effect with metal heat stabilizers.
Products Specification
| Product name | TTDP/triisotridecyl phosphite |
| CAS NO | 77745-66-5 |
| ITEM NO | M765 |
| Appearance | Colorless and transparent liquid |
| Purity | ≥98% |
| Phosphorus content | ≥4.9% |
| Density @ 20℃ | 0.89g/cm3 |
| Viscosity @ 20℃ | 100-120mPa.s |
| Refractive index @ 20℃ | 1.460-1.465 |
| Color Density APHA | ≤50 |
| Acidity (mgKOH/g) | ≤0.1% |
| Volatile matter | ≤0.5% |
| Package | 100g/1kg/10kg etc. |
| Delivery | 5-8days |
| Storage | room temperature |
| MSDS/COA/TDS | Connect us |
Products Application
1. Plastics industry: As an auxiliary heat stabilizer and antioxidant, it is widely used in PVC (soft/hard), polyurethane (PU) foam, ABS, etc. It can effectively enhance the processing heat stability and maintain the color stability and transparency of the products.
2. Rubber industry: As an efficient antioxidant, it is used in SBS, SIS, SEBS, etc. thermoplastic elastomers and styrene-butadiene rubber (SBR), preventing aging and degradation during processing and use.
3. With oil products: In paints, varnishes and oil products, it is used as an antioxidant and heat stabilizer to inhibit oxidation and deterioration.
Megma also offers an environmentally friendly series of liquid phosphoric acid antioxidant products, namely:
|
Diisopropylglycerol diisooctyl ester of dihydrogen phosphate |
CAS 26544-27-4 |
|
TDP(TEHP) |
CAS 301-13-3 |
|
TDP |
CAS 25448-25-3 |
FAQ
Q: What is the advantage of TTDP compared with common phosphite antioxidants such as TNPP?
A: TTDP has much better hydrolysis resistance, higher molecular weight, lower volatility, phenol-free and more environmentally friendly.
Q: Could TTDP be used together with Ca-Zn heat stabilizer for PVC? What is the synergistic effect?
A: Yes, they have excellent synergy. It can decompose hydroperoxides, reduce PVC yellowing during high temperature extrusion.
Q: How to store Triisotridecyl phosphite?
A: Seal in cool dry ventilated warehouse, avoid moisture ingress and strong oxidants.
Q: Could it be used alone or must compound with phenolic primary antioxidant?
A: Normally it works as secondary antioxidant. Better performance when compounded with hindered phenol primary antioxidant.
Why Choose Zhengzhou Megma Chemical Co., Ltd.?
Quality at a Fair Price – High-quality chemicals delivered at reasonable prices.
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Full Quality Commitment – Should any quality issue arise, we take full responsibility.
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