25103-12-2

Basic information

• Product Name: Triisooctyl phosphite
• Synonyms: Tris(6-methylheptoxy)phosphane;TRIISOOCTYL PHOSPHITE;isooctylphosphite;isooctylphosphite((c8h17o)3p);Phosphorousacid,triisooctylester;Tri-2-EthylHexylTrimlltate(Totm);Triisooctyl phosphite, 94%, mixture of branched-chain isomers;Triisooctyl phosphit
• CAS NO: 25103-12-2
• Molecular Formula: C24H51O3P
• Molecular Weight: 418.63
• EINECS: 246-614-4
• Mol File: 25103-12-2.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 427.6°C at 760 mmHg
• Flash Point: 146°C
• Appearance: /
• Density: 0,891 g/cm3
• Vapor Pressure: 4.03E-07mmHg at 25°C
• Refractive Index: 1.4490
• CAS DataBase Reference: Triisooctyl phosphite(CAS DataBase Reference)
• NIST Chemistry Reference: Triisooctyl phosphite(25103-12-2)
• EPA Substance Registry System: Triisooctyl phosphite(25103-12-2)

Safety Data

• Safety Statements: 24/25
• TSCA: Yes
• Hazardous Substances Data: 25103-12-2(Hazardous Substances Data)

Usage

Description

Triisooctyl phosphite is a colorless liquid with a characteristic odor. It is miscible with most common organic solvents but insoluble in water. The compound hydrolyzes very slowly and has high thermal stability. It should be stored away from air exposure and is considered combustible.

Uses

Used in Plastic Industry:
Triisooctyl phosphite is used as a plasticizer and stabilizer for various types of plastics. Its high thermal stability and compatibility with organic solvents make it an ideal additive to enhance the flexibility, processability, and durability of plastic materials.
Used in Lubricant Industry:
In the lubricant industry, triisooctyl phosphite is utilized as an anti-wear and extreme pressure additive. Its ability to mix with organic solvents and its thermal stability contribute to improving the performance and longevity of lubricants, especially in high-temperature applications.
Used in Additives for the Rubber Industry:
Triisooctyl phosphite serves as an additive in the rubber industry, where it acts as a processing aid and an antioxidant. It helps to improve the rubber's resistance to heat, oxygen, and aging, thereby extending the useful life of rubber products.
Used in Flame Retardants:
Due to its combustible nature, triisooctyl phosphite can be used as a flame retardant in various applications, such as in the production of electronic components, textiles, and construction materials. It helps to slow down the spread of fire and reduce the risk of ignition.
Used in Chemical Synthesis:
Triisooctyl phosphite is also used as an intermediate in the synthesis of other phosphorus-containing compounds, which can have various applications in different industries, such as agriculture, pharmaceuticals, and materials science.

InChI:InChI=1/C24H51O3P/c1-19(13-16-22(4,5)6)25-28(26-20(2)14-17-23(7,8)9)27-21(3)15-18-24(10,11)12/h19-21H,13-18H2,1-12H3