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Synonym(s): 2-EH phosphate, mixed mono- and di- 2-ethylhexyl phosphate, isooctyl phosphate, mixed mono- and di- isooctyl phosphate, phosphoric acid 2-ethylhexyl esters.

Description

CG 516 is a mixture of mono- and di- 2-ethylhexyl phosphate. It is a colorless clear liquid at ambient in its pure form. The industrial grades may be light yellow. CG 516 is primarily used as a surfactant. It is also widely used in lubricants and greases, coating products and fertilizers, inks, and cleaning products.

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Specification

Property Specification
Typical Value
Appearance, 25 °C Colorless to light yellow clear liquid Light yellow clear liquid
pH value, (1% aqueous solution) 3 Max 2.5
Acid value, mg KOH/g 290 - 330 310
Water, % wt 1.0 Max 0.5

 

Properties

Chemical Formula C8H19O4P (mono-) and C16H35O4P
Molecular Weight 266.32
Appearance, 25 °C Colorless liquid
Melting Point Not available
Initial boiling point Not available
Density, 20 °C, g/cm3 Not available
Solubility in Water, 25 °C Not available

 

Applications

The applications of CG 516, mixed 2-ethylhexyl phosphate ester, include, but are not limited to,

  • Surfactant

  • Emulsifier

  • Friction modifier

  • Anti-rust agent

  • Anti-wear agent

CG 516 is widely used in many industries, which include, but are not limited to, Lubricants and greases, coating products and fertilizers, inks and cleaning products, etc.

Manufacturing Process

CG 516, mixed mono- and di- 2-ethylhexyl phosphates, is typically manufactured by reacting 2-ethyl hexanol with P2O5. The reaction is exothermic and cooling is required to maintain the temperature. In most processes, excess 2-ethyl hexanol is used to drive the reaction to completion, and the unreacted 2-ethyl hexanol is removed by distillation.

Chemical Reactions

Like other phosphates, CG 516 may be hydrolyzed in the presence of water and an acid or basic catalyst. 2-Ethyl hexanol and phosphoric acid are the products in the hydrolysis.

Spectra

NMR

 

1H NMR of CG 516

 

31P NMR of CG 516

Packaging

200 kg / drum, 441 lbs / drum

1,000 kg / Tote, 2,204 lbs / Tote

Other packaging sizes available upon request

Documents

TDS

When can I expect my order to ship?

Most orders are filled and shipped within 2-3 business days from the time they are received.

Our standard shipping usually take 2-5 days.

We also provide express shippping for time-sensitive deliveries. 

Email contact@biofargo.com if you have any requirements.

 

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