PYRANINE 120%(英)

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.
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