Hordaphos® 124
An effective solubilizing agent and corrosion inhibitor

Hordaphos® 124

An effective solubilizing agent and corrosion inhibitor

Edition Date :
July 15, 2020
Hordaphos 124 is a yellowish to brown liquid with an ester-like odour. Solid particles may be precipitated at low temperatures but this process is reversible on warming. 
Hordaphos 124 is soluble in common organic solvents such as aliphatic and aromatic hydrocarbons, chlorinated hydrocarbons, esters and ketones. It can be emulsified with water.

Hordaphos 124 is miscible with naphthenic and paraffinic mineral oils and with commercial vegetable and animal oils. Despite this good compatibility its miscibility with mineral oils and other additives used should be tested before use.

For more details see our Video about Hordaphos.

  • Solubilizing agent
  • Excellent properties as a corrosion inhibitor
For regulatory details such as the classification and labelling as dangerous substances or goods please refer to our corresponding Material Safety Data Sheet.
Hazard class  Hazard category   H-phrases
Skin irritation Category 2 Causes skin irritation
Eye damage Category 1 Causes serious eye damage
Category of danger/Category  Hazard symbol  R-phrases 
  Irritant Irritating to skin
  Irritant Risk of serious damage to eyes
Characteristics   Unit   Target value   DS¹) TD²) Test method 
Phosphorus  %(w/w)   4.2 - 4.6  

Photometry after oxidizing dissolution; (11/17) or wavelength dispersive X-ray fluorescence spectrometry; (11/23)  
Density  g/cm³   1.01 - 1.05  

at 20 °C, flexural resonator; (11/65)  
Dynamic Viscosity  mPa*s   approx. 1500  

at 20 °C  
Kinematic Viscosity  mm²/s   approx. 400  

at 40 °C  
pH Value    approx. 3  

at 20 °C, 10g/l in H2O/isopropanol 1:3  
Acid Number  mg KOH/g   115 - 145  

Titration using alkali, 2nd end point at pH 9-10; (11/11)  
¹) The product is constantly monitored to ensure that it adheres to the specified values. Test methods: Clariant method numbers 11/xx in brackets.
²) The technical data are used solely to describe the product and are not subject to constant monitoring  
Hordaphos 124 is used as a component in formulations for low-foaming emulsions, as a solubilizer for sparingly soluble additives and as a corrosion inhibitor for metal working.
In addition, this phosphoric acid ester can be used as an EP additive in cutting oils for metal machining and in lubricants for metal forming.
Delivery form

Hordaphos 124 is supplied in 50 kg net tight head drums (pallet unit 400 kg net) and 200 kg net tight head drums (800 kg net pallet units).

Hordaphos 124 must be stored in its tightly closed original container in a cool frost-free place away from direct sunlight. If the product becomes turbid, thickens or freezes through exposure to cold, it must be homogenized at approx. 40 °C before use.

Minimum shelf life is 12 months from the date of shipping when stored according to the said conditions.


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Alexis Dudley
Alexis Dudley
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This information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. Clariant makes no warranties, express or implied, as to the information’s accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of Clariant’s products for its particular application.<br />
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