Antioxidants
REACH
Octadecyl di-t-butyl-4-hydroxyhydrocinnamate
CAS Number
2082-79-3
EC Number
218-216-0
What is Octadecyl di-t-butyl-4-hydroxyhydrocinnamate?
Octadecyl di-t-butyl-4-hydroxyhydrocinnamate (CAS 2082-79-3) is a hindered phenolic antioxidant used to protect organic substrates from oxidative degradation. Also marketed as Antioxidant 1076 and approved as E376.
Where is Octadecyl di-t-butyl-4-hydroxyhydrocinnamate used?
- Plastics and polymer processing: incorporated into polyolefins, PVC and engineering resins to prevent thermal degradation during extrusion and injection molding
- Lubricants: stabilizes mineral and synthetic base oils against oxidation, maintaining viscosity in automotive and industrial gear oils
- Personal care: approved for creams and lotions where oxidative stability of oils and emollients is required
- Adhesives and sealants: protects rubber-based and hot-melt systems from premature aging during storage and application
- It scavenges free radicals generated by heat and oxygen exposure, extending the functional life of polymers and formulated products.
Commercial specifications
- Purity typically 98% or higher
- Small packaging and bulk quantities
Other Names (Synonyms)
octadecyl di-tert-butyl-4-hydroxyhydrocinnamate|Antioxidant 1076|octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate|Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate|E376
What are the physical properties of Octadecyl di-t-butyl-4-hydroxyhydrocinnamate?
Melting Point 50-55 °C
Boiling Point 568.1±45.0 °C(Predicted)
Density 0.929±0.06 g/cm3(Predicted)
Flash Point >230 °F
Appearance white crystalline powder
Color White to Off-White
Form neat
Water Solubility 2.85μg/L at 20℃
Log P 13.930 (est)
How is Octadecyl di-t-butyl-4-hydroxyhydrocinnamate classified and handled safely? Learn More
Warning
GHS07· Irritant GHS08· Health Hazard GHS09· Environmental Hazard
Hazard Statements
H317 May cause an allergic skin reaction
H361 Suspected of damaging fertility or the unborn child
H411 Toxic to aquatic life with long lasting effects
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
Which trade and regulatory codes apply to Octadecyl di-t-butyl-4-hydroxyhydrocinnamate?
HS Code 29182900
Storage Class 11 - Combustible Solids