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Catalog Number:
41128
CAS Number:
2622-08-4
Tri-o-tolyl phosphite
Purity:
≥ 97% (GC)
Synonym(s):
Phosphorous acid tri-o-cresyl ester, Phosphorous acid tris(2-methylphenyl) ester, Phosphorous acid tri-o-tolyl ester, Tri-o-cresyl phosphite
Documents
$79.22 /1G
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Product Information

Tri-o-tolyl phosphite is a versatile organophosphorus compound known for its exceptional stability and effectiveness as a flame retardant and plasticizer. This compound is particularly valued in the production of polyvinyl chloride (PVC) and other polymers, where it enhances thermal stability and improves processing characteristics. Its unique structure allows it to act as a synergist in flame retardant formulations, making it an essential additive in the manufacturing of fire-resistant materials. Additionally, Tri-o-tolyl phosphite serves as a stabilizer in various applications, including lubricants and coatings, where it helps to prolong the lifespan of products by preventing degradation.

Researchers and industry professionals appreciate Tri-o-tolyl phosphite for its low volatility and compatibility with a wide range of materials, which makes it ideal for use in high-performance applications. Its ability to improve the mechanical properties of polymers while providing flame retardancy sets it apart from similar compounds, making it a preferred choice in industries such as construction, automotive, and electronics. With its proven track record and diverse applications, Tri-o-tolyl phosphite is a valuable addition to any formulation requiring enhanced stability and safety.

Synonyms
Phosphorous acid tri-o-cresyl ester, Phosphorous acid tris(2-methylphenyl) ester, Phosphorous acid tri-o-tolyl ester, Tri-o-cresyl phosphite
CAS Number
2622-08-4
Purity
≥ 97% (GC)
Molecular Formula
C21H21O3P
Molecular Weight
352.37
MDL Number
MFCD00014911
PubChem ID
92937
Density
1.14 g/mL
Boiling Point
238 °C / 11 mmHg (Lit.)
Refractive Index
n20D 1.58
Conditions
Store at 2 - 8 °C
General Information
Synonyms
Phosphorous acid tri-o-cresyl ester, Phosphorous acid tris(2-methylphenyl) ester, Phosphorous acid tri-o-tolyl ester, Tri-o-cresyl phosphite
CAS Number
2622-08-4
Purity
≥ 97% (GC)
Molecular Formula
C21H21O3P
Molecular Weight
352.37
MDL Number
MFCD00014911
PubChem ID
92937
Density
1.14 g/mL
Boiling Point
238 °C / 11 mmHg (Lit.)
Refractive Index
n20D 1.58
Conditions
Store at 2 - 8 °C
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Tri-o-tolyl phosphite is widely utilized in research focused on:

  • Antioxidant Additive: Commonly used in the plastics and rubber industries, it serves as an effective antioxidant to enhance the thermal stability of materials, prolonging their lifespan and performance.
  • Stabilizer in Polymeric Materials: This compound acts as a stabilizer in various polymer formulations, helping to maintain color and mechanical properties during processing and end-use.
  • Intermediate in Organic Synthesis: It plays a crucial role as an intermediate in the synthesis of phosphonates and phosphates, which are important in agricultural chemicals and pharmaceuticals.
  • Flame Retardant Applications: Its flame-retardant properties make it valuable in the production of fire-resistant materials, contributing to safety in construction and automotive industries.
  • Research in Chemical Reactions: Utilized in academic and industrial research to study reaction mechanisms involving phosphorus compounds, aiding in the development of new materials and chemicals.

Citations