| Form supplied | 
            Powder | 
        
        
            | Colour strength tolerance | 
            +/- 5 % 
             
             | 
        
        
            | Shade | 
            Brilliant yellow with a green cast | 
        
        
            pH 
             
             
             
             | 
            approx. 4 - 5 (4% form supplied in Water) based on ISO 787 Part 9strong yellow fluorescence in alkaline solutionpH must be adjusted to not less than pH 9 - 10 in inks | 
        
        
            | Salt content | 
            Less than 15% (NaCl and Na2SO4) | 
        
        
            Solubility 
             
             
             | 
            · 300 g/L water 
            · 100 g/L diethylene glycol (DEG) 
            · 100 g/L glycerine  | 
        
        
            max.absorption 
             
             | 
            - pH 9 : 450 nm 
            - pH 3 : 290 nm  | 
        
        
            max.emission 
             
             | 
            - pH 9 : 520 nm 
            - pH 3 : 520 nm | 
        
        
            Lightfastness 
             
             | 
            approx. 1 based on DIN 54004, 3 % supplied form in the ink,draw-downs | 
        
        
            Main fields application 
             
             
             
             
             | 
            Office supplies, Colouring of alkaline cleaning agents (washing-up liquids, shampoos, soap),Tracing dyestuffs for use in water, concentration 1 - 10 mg (1 mg dyestuff can be detected in 10,000 L water), Tracing dyestuff for heating systems | 
        
        
            | Storage stability | 
            18 months from delivery ex plant Lanxess AG, Germany | 
        
        
            Special data 
             
             
             
             
             
             
             
             
             
             | 
            - Contains no diluents or de-dusting agents 
            - Corresponds to Type S 82 (EN 71-3, para. 3.9, Safety of toys) 
            - Corresponds to Type S 34 (meets the purity criteria for colorantsused in cosmetics under the recommendations issued by theDyestuffs Committee of the Deutsche Forschungsgemeinschaft) 
            - Drug and Cosmetic Administration: D & C Green No. 8. | 
        
        
            Safety data sheet 
             
             | 
            Information on handling and ecological and toxicological behaviour is contained in safety data sheet No. 136 364 for Pyranine 120 %. | 
        
        
            Product specification 
             
             | 
            Since products may be modified, we advise you to refer to the binding product specification which is available on request. |