Tert-butylhydroquinone (TBHQ)

White to off-white crystalline powder, melting point 126.5-128.5℃, boiling point 300℃, flash point 165℃, relative density 1.05. Soluble in ethanol, ethyl acetate, ether, isopropyl alcohol, almost insoluble in water.

Description

Product name  Tert-butylhydroquinone (TBHQ)

Another name 2-tert-butyl-1, 4-dihydroxybenzene

Molecular formula C10H14O2

 

Molecular weight 166.22

 

Physicochemical property

White to off-white crystalline powder, melting point 126.5-128.5℃, boiling point 300℃, flash point 165℃, relative density 1.05. Soluble in ethanol, ethyl acetate, ether, isopropyl alcohol, almost insoluble in water.

 

Technical index

 

Product grade Food grade Industrial grade
appearance White crystalline powder White to gray crystalline powder
Content, % ≥ 99.0 99.0
Melting point, ℃ 126.5-128.5 125
2.5-di-tert-butylhydroquinone content, % ≤ 0.2 ——
Hydroquinone % ≤ 0.1 ——
Tert-butyl p-benzoquinone % ≤ 0.2 ——
Heavy metal (Pb), % ≤ 0.001 ——
Toluene/xylene, % ≤ 0.0025 ——
Arsenic (As), % ≤ 0.0003 ——

 

Packing, storage and transportation

1, 25 kg(net weight) cardboard drum packing, lined with double plastic bags.

  1. Store in a cool, dry, ventilated place away from light.

3,  according to the non-dangerous goods for transportation procedures

 

 

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