Tri(2-ethylhexyl) Phosphate (TOP)

Basic Info:

  • Chemical Synonym(s): Phosphoric acid, tris(2-ethylhexyl) ester; Tris(2-ethylhexyl) phosphate;
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  • CAS Number: 78-42-2
  • Chemical Formula:


  • MSDS: Download


Boiling Point
215ºC(4 torr)
Melting Point
Flash Point
Vapor pressure
2.1 mm Hg ( 20 °C)
Refractive index
n20/D 1.444(lit.)
>230 °F
Storage temp.
Store below +30°C.
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We help you source Tri(2-ethylhexyl) Phosphate (TOP) in China

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We specialise in special food additives with the main aim of providing people with the best quality ingredients for life.
Our main products are benzoic acid, sodium benzoate, erythritol, sorbic acid, etc.

We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

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Tri(2-ethylhexyl) phosphate (TOP), is a non-ionic surfactant. It is a clear liquid with a slight odor.

It is a highly effective preservative in a wide variety of personal care and household products due to its biodegradable and non-toxic nature.

It is also an effective cleaning agent for oils and fats, and its high biodegradability and low toxicity make it a choice ingredient for cleaning and household products. 

It has been used in a variety of food and food-related applications since the 1960s. The EPA classifies TOP as a “chemical of concern.” This is because it has been detected in various foods and food-related products, and it is still perfectly safe to consume foods that have come in contact with it.


 Triethyl phosphate is used in the food industry as a preservative in making sodas, candy, and other sugary snacks to prevent mold, fungus, or yeast in food products. 

It is used for the manufacturing of synthetic detergents used in laundry. Other uses of it include its use in cosmetics, oil drilling and mining, and in agriculture.

For example, it is used in the production of the herbicide Carbaryl. It is one of the most widely used herbicides in the United States. It is also used in the production of various pesticides, such as pyraclostrobin and Lindane. 

It is also used in the manufacturing of asphalt and paint.

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