Butyl Hydroxy Toluene (BHT)
2,6-Di-tert-butyl-4-methylphenol, BHT, DBPC
- CAS
- 128-37-0
- EC
- 204-881-4
- Food Code
- E321
- Sectors
- Food & Nutrition, Lubricants & Metalworking, Plastics & Polymers
Butyl Hydroxy Toluene (BHT), CAS 128-37-0, is a synthetic antioxidant that appears as white to pale yellow crystalline flakes or powder, protects organic compounds against oxidative degradation, and is used in food, plastics, lubricants and fuels to prevent polymerization and gum formation.
Typical Properties
| Molecular formula | C15H24O |
|---|---|
| Molecular weight | 220.35 g/mol |
| Appearance | BHT is a white to pale yellow crystalline solid or powder. |
| Form | Crystals |
| Color | white |
| Odor | faint characteristic odor |
| Melting point | 70 °C |
| Boiling point | 265 °C |
| Density | 1.048 g/cm³ @ Temp: 20 °C |
| Water solubility | insoluble |
| Flash point | 127 °C |
| GHS signal word | Warning · Irritant / harmful, Health hazard, Environmental hazard |
| HS code | 29071900 |
| Grades available | Food Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Butyl Hydroxy Toluene (BHT)
Applications
Widely used in food, cosmetics, and plastics for oxidative stability. In lubricants and fuels, it prevents polymerization and gum formation. Also used in pharmaceuticals as an antioxidant excipient.
Safety & Risks
Low acute toxicity; avoid inhalation of dust and prolonged skin contact. Use gloves and store under inert, cool conditions.
Packaging
Delivered in 25 kg aluminum-lined fiber drums or kraft bags. Store tightly closed, away from light and strong oxidants.