Styrenated phenol, Antioxidant SP

Styrenated Phenol (CAS 61788-44-1) is a high-performance antioxidant SP and stabilizer used to protect lubricants, rubber, adhesives, resins and specialty polymers from oxidation and thermal degradation. Also known as phenol styrenated, styrene phenol, tristyrylphenol and SP antioxidant, it helps extend service life and improve processing stability. Bulk supply available — request a quote today.

MF: C30H30O
MW: 406.56
EINECS: 262-975-0

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Product Overview

Styrenated Phenol is a phenolic antioxidant widely used to prevent oxidation, discoloration and performance loss in industrial formulations. It is commonly selected in systems where long-term thermal stability and storage stability are important, especially in lubricants, rubber, adhesives and polymer processing.
Soluble in ethanol, acetone, aliphatic hydrocarbons, aromatic hydrocarbons, trichloroethane and other organic solvents, but insoluble in water.
Used as stabilizer and antioxidant for synthetic rubber and natural rubber such as styrene-butadiene, chloroprene, ethylene-propylene, etc.

Key Specifications

Boiling Point 

>250℃

Density 

1.08g/cm3

Vapor Pressure 

0.1Pa at 20℃

Refractive Index 

1.5785~1.6020

Fp 

182℃

Storage Temp. 

Storage temp. 2-8°C

Solubility 

1000g/L in organic solvents at 20 ℃

PKA

0[at 20 ℃]

Appearance

Colorless to light yellow Liquid

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