Tetraphenyl Pyrophosphate CAS 990-91-0

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 Chemical Name: Tetraphenyl Pyrophosphate

CAS Number: 990-91-0

Molecular Formula: C24H20O4P2

Molecular Weight: 452.37 g/mol

Appearance: White to light yellow crystalline powder

Solubility: Soluble in organic solvents like acetone, benzene, and chloroform; insoluble in water

Storage Conditions: Store in a cool, dry place, away from moisture and direct sunlight.

What is Tetraphenyl Pyrophosphate?

Tetraphenyl Pyrophosphate (TPP) is an organophosphorus compound, consisting of a pyrophosphate (P2O7) group bonded to four phenyl groups. It is primarily used as a chemical additive and a plasticizer in various industrial applications.

Functions and Applications of Tetraphenyl Pyrophosphate

Flame Retardant
TPP is used as a flame retardant in polymers and plastics, particularly in electrical insulation materials, to enhance their resistance to heat and flames.

Plasticizer
As a plasticizer, Tetraphenyl Pyrophosphate improves the flexibility and processability of plastics, particularly in PVC (polyvinyl chloride) products.

Chemical Synthesis
TPP serves as a reagent in organic and inorganic synthesis, especially in reactions involving the generation of pyrophosphate or phosphate esters. It is used in various chemical reactions, including the preparation of other organophosphorus compounds.

Antistatic Agent
It is also used in the manufacture of antistatic agents for polymers, especially in situations where static charge build-up must be minimized.

Safety and Side Effects

Tetraphenyl Pyrophosphate is considered to have low toxicity, but like other organophosphates, it should be handled with care. Prolonged exposure or ingestion can cause irritation to the skin, eyes, or respiratory system. Proper protective equipment (gloves, goggles, and a mask) should be worn when handling the substance.

Summary

Tetraphenyl Pyrophosphate (TPP) is an important organophosphorus compound with widespread applications as a flame retardant, plasticizer, and chemical reagent. It is commonly used in the polymer and electrical industries to enhance material properties. Safe handling practices are recommended to avoid potential health risks.