Red Phosphorus HB 600

Stabilised and microencapsulated red phosphorus, delivered as a wet filter cake

Edition Date :
September 19, 2018

Red Phosphorus HB 600 is a stabilised and microencapsulatedgrade of red phosphorus, delivered as a wet filter cake with 9-25% moisture (mean value for all drums of one delivery max. 20% moisture). It has a good oxidation and thermal stability. Red Phosphorus HB 600 is a brownish-red powder that is insoluble in water and organic solvents.

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  • Benefits

    • Very good oxidation and thermal stability
    • Suitable for pyrotechnical applications
  • Safety and MSDS

    For regulatory details such as the classification and labelling as dangerous substances or goods please refer to our corresponding Material Safety Data Sheet.

    As stated in the safety data sheet of the substance the use “industrial manufacture of screening smoke ammunition or smoke payloads” is advised against within the EU according to the REACH regulation. Therefore, every manufacturer of smoke ammunition or smoke payloads is obliged to create a chemical safety assessment for these uses and to inform the ECHA accordingly.

    Category of danger/Category  Hazard symbol  R-phrases 
      Highly flammable, Irritant Highly flammable. Explosive when mixed with oxidizing substances. May cause sensitisation by skin contact. Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 

    Hazard class  Hazard category        H-phrases
    Flammable solids  Flammable solid.
    Skin sensitization Category 1 May cause an allergic skin reaction
    Chronic aquatic toxicity Category 2 Harmful to aquatic life with long lasting effects.

    Contact Us
    Please contact us for safety and regulatory details or the Material Safety Data Sheet (MSDS).
  • Specifications


    Unit   Target value   DS¹) TD²)  Test method 
    Red Phosphorus  %(w/w)   min. 91.0  

    Gravimetry after extraction using HCl, on dry basis; (11/69)  
    White Phosphorus  %(w/w)   < 0.02  

    On dry basis  
    Volatile Content  %(w/w)   9 - 25 (separate drums), max. 20 (mean value of all drums)  

    Thermogravimetry, as filter cake; (11/03)  
    Density  g/cm³   approx. 2.0  

    20 °C, on dry basis  
    Bulk Density  g/cm³   0.8 - 1.2  

    As filter cake  
    pH Value    min. 6  

    10% Suspension in acetone/water, potentiometry; (11/12)  
    Particle Size Distribution  % (w/w)    

    Laser diffraction, release by customer, calculated on dry basis; (11/47)  
      <10 µm   max. 45        
      < 400 µm   min. 99.5        

    ¹) Delivery specification: The product is monitored on a regular basis to ensure that it adheres to the specified values. Test methods: Clariant method numbers 11/xx in brackets.
    ²) Technical data: The technical data are used solely to describe the product and are not subject to regular monitoring  
  • Applications

    Owing to its special stabilisation and microencapsulation Red Phosphorus HB 600 is suitable for pyrotechnical applications.
  • Packaging and Handling

    Delivery form
    Wet style filter cake with 9-25% moisture

    Red Phosphorus is supplied in 200 liter, full open-head steel drums. The grade HB 600 is supplied with a 150 kg fill weight. Each drum has a ring-type lid closure.

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

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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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