| 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. |