Diisooctyl 4-octylphenyl phosphite is a chemical compound that serves as a stabilizer and antioxidant in various polymers, including polyvinyl chloride (PVC), polyurethane, and composites. It is known for its ability to act as a thermal stabilizer, preventing the degradation of polymers at high temperatures, and as an antioxidant, protecting materials from oxidative degradation. Diisooctyl 4-octylphenyl phosphite is considered to have low toxicity and is generally deemed safe for its intended uses when handled according to proper safety guidelines.

68133-13-1

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Basic information
1. Product Name: diisooctyl 4-octylphenyl phosphite
2. Synonyms: diisooctyl 4-octylphenyl phosphite;Diisooctyl octylphenyl phosphite;Phosphorous acid di(6-methylheptyl)4-octylphenyl ester
3. CAS NO:68133-13-1
4. Molecular Formula: C30H55O3P
5. Molecular Weight: 494.729661
6. EINECS: 268-665-1
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 550.9 °C at 760 mmHg
3. Flash Point: 299.9 °C
4. Appearance: /
5. Density: 0.95 g/cm³
6. Vapor Pressure: 1.28E-11mmHg at 25°C
7. Refractive Index: 1.481
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: diisooctyl 4-octylphenyl phosphite(CAS DataBase Reference)
11. NIST Chemistry Reference: diisooctyl 4-octylphenyl phosphite(68133-13-1)
12. EPA Substance Registry System: diisooctyl 4-octylphenyl phosphite(68133-13-1)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 68133-13-1(Hazardous Substances Data)

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68133-13-1 Usage

Uses

Used in Polymer Industry:
Diisooctyl 4-octylphenyl phosphite is used as a stabilizer and antioxidant for various polymers, such as PVC, polyurethane, and composites, to prevent their degradation at high temperatures and protect them from oxidative degradation.
Used in Food Packaging Industry:
Diisooctyl 4-octylphenyl phosphite is used in the production of food packaging materials, ensuring the stability and safety of the packaging materials during processing and storage.
Used in Medical Devices Industry:
Diisooctyl 4-octylphenyl phosphite is utilized in the manufacturing of medical devices, providing thermal and oxidative stability to the materials used in these devices, which is crucial for their performance and safety.
Used in Construction Materials Industry:
Diisooctyl 4-octylphenyl phosphite is employed in the production of construction materials, enhancing their durability and resistance to environmental factors by preventing thermal and oxidative degradation.

Check Digit Verification of cas no

The CAS Registry Mumber 68133-13-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,3 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 68133-13:
(7*6)+(6*8)+(5*1)+(4*3)+(3*3)+(2*1)+(1*3)=121
121 % 10 = 1
So 68133-13-1 is a valid CAS Registry Number.

InChI:InChI=1/C30H55O3P/c1-6-7-8-9-10-15-20-29-21-23-30(24-22-29)34(31,32-25-16-11-13-18-27(2)3)33-26-17-12-14-19-28(4)5/h21-24,27-28H,6-20,25-26H2,1-5H3

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