Tert-Butylhydroquinone (TBHQ)
CAS Number: 1948-33-0
TBHQ (tert-butylhydroquinone, E319) is a highly effective synthetic phenolic antioxidant for vegetable oils, frying fats, and polyunsaturated fat-containing products. It provides exceptional protection against oxidation in soybean, canola, and sunflower oils, with maximum permitted use levels of 200 mg/kg fat content (Codex/EU). Its stability during frying makes it the preferred antioxidant for frying oils in the food service industry.
Technical Specifications
| appearance | White to off-white crystalline powder |
| purity (%) | ≥99.0 |
| moisture (%) | ≤0.5 |
| heavy metals (ppm) | ≤10 |
| melting point (°C) | 126–130 |
Applications
- Soybean, canola, and sunflower oil stabilization
- Deep-frying oil oxidation protection
- Margarine and shortening shelf-life extension
- Chicken and fish fried product quality maintenance
- Instant noodles and snack food fat preservation
Key Features
- Strongest antioxidant activity among common phenolic food antioxidants
- Exceptional stability in polyunsaturated vegetable oils
- Highly effective in frying operations at elevated temperatures
- EU E319 approved, GRAS status, FCC grade available
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CAS Number
1948-33-0
Category
Food / Beverage AdditivesAvailability
In StockSample
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