Tris(dodecylphenyl) phosphite, also known as TPP, is a phosphorus-based antioxidant and stabilizing agent commonly used in the plastics, rubber, and lubricant industries. It is an organophosphorus compound with the chemical formula C37H54O3P. TPP is known for its excellent thermal stability, low volatility, and high resistance to hydrolysis, making it an effective additive for preventing the degradation of polymers and improving the overall performance of materials. It is particularly useful in polyolefins, polyvinyl chloride (PVC), and engineering plastics, where it helps to maintain the material's physical properties and extend its service life. The compound's large molecular structure and hydrophobic nature contribute to its effectiveness in protecting materials from oxidative stress and thermal aging.
25376-41-4
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Basic information
- Product Name: tris(dodecylphenyl) phosphite
- Synonyms: tris(dodecylphenyl) phosphite;Dodecylphenol phosphite(3:1);Phosphorous acid tris(dodecylphenyl) ester
- CAS NO:25376-41-4
- Molecular Formula: C54H87O3P
- Molecular Weight: 815.240541
- EINECS: 246-909-8
- Product Categories: N/A
- Mol File: 25376-41-4.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: 776.1°Cat760mmHg
- Flash Point: 536.2°C
- Appearance: /
- Density: g/cm3
- Vapor Pressure: 4.53E-23mmHg at 25°C
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: tris(dodecylphenyl) phosphite(CAS DataBase Reference)
- NIST Chemistry Reference: tris(dodecylphenyl) phosphite(25376-41-4)
- EPA Substance Registry System: tris(dodecylphenyl) phosphite(25376-41-4)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 25376-41-4(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 25376-41-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,3,7 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.Calculate Digit Verification of CAS Registry Number 25376-41:
(7*2)+(6*5)+(5*3)+(4*7)+(3*6)+(2*4)+(1*1)=114
114 % 10 = 4
So 25376-41-4 is a valid CAS Registry Number.
InChI:InChI=1/C54H87O3P/c1-4-7-10-13-16-19-22-25-28-31-40-49-43-34-37-46-52(49)55-58(56-53-47-38-35-44-50(53)41-32-29-26-23-20-17-14-11-8-5-2)57-54-48-39-36-45-51(54)42-33-30-27-24-21-18-15-12-9-6-3/h34-39,43-48H,4-33,40-42H2,1-3H3
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tris(dodecylphenyl) phosphite
