Tertiary Butyl Hydroquinone (TBHQ) is a synthetic antioxidant approved for use in food products. Its primary function is to prevent oxidative deterioration and increase the shelf life of various foods, fats, and vegetable oils. While natural antioxidants like tocopherol found in vegetable oils are sometimes insufficient in providing enough stability, the addition of TBHQ offers excellent results. This is especially true for unsaturated fats, including polyunsaturated vegetable oils and inedible animal fats.
The benefits of TBHQ extend beyond edible items and can also be utilized in essential oils, nuts, buffer fat, and food packaging materials. By utilizing TBHQ as a preservative, food products can maintain their freshness and quality for a longer period of time. This makes TBHQ a preferred choice for food preservation, providing a healthier option to consumers.

 

How to use TBHQ (Tertiary Butyl Hydroquinone)

 

Food preservative

Unsaturated vegetable oils and various edible animal fats commonly utilize TBHQ as a preservative. It is employed at a usage rate of 0.01-0.1% to ensure their longevity.

Its primary advantage is extending storage life, and it can be combined with other preservatives such as butylated hydroxyanisole (BHA). When added to various foods, it does not cause discoloration even in the presence of iron, nor does it alter the flavor or odor of the material. It offers a reliable solution for maintaining the freshness of food products.

 

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Other

A fixative is employed in perfumery to enhance stability and reduce the rate of evaporation.

In industrial applications, the main purpose of using it is to prevent the spontaneous polymerization of organic peroxides by acting as a stabilizer.

It is used as an antioxidant in biodiesel.

Varnishes, lacquers, resins and oil-field additives are commonly fortified with this chemical compound.

 

Reference:

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Color	White or yellowish-white
Odor	Characteristic odor
Appearance	Crystalline powder
Solubility	This substance exhibits solubility in alcohol and ether, but it is considered virtually insoluble in water.
Identification	Positive
Assay (%)	NLT 99.0% of TBHQ(C10H14O2)
Tert-Butyl-p-Benzoquinone (%)	NMT 0.2
2,5-Di-Tert-Butylhydroquinone (%)	NMT 0.2
Hydroquinone (%)	NMT 0.1
Toluene (%)	NMT 0.0025
Melting Range (°)	126.5~128.5
Lead(mg/kg)	NMT 2
UV-Absorbance (Polynuclear Hydrocarbons)	Complies with FCC

 

Storage: Store in cool and dry location with fresh, clean and circulating air. Protect from direct sunlight, microbial and other contamination.

 

 

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