Leishman’s eosine methylene blue for microscopy


Catalogue Number101350
DescriptionLeishman’s eosine methylene blue
OverviewThe dry mixture of the Leishman’s eosin methylene blue dye for microscopy, is used for the self-preparation of the Leishman’s staining solution. The staining method according to Leishman is one of the standard techniques in hematological diagnostic procedures. Like Wright’s eosin methylene blue and May-Grünwald’s eosin methylene blue, it is used for staining of blood and bone marrow smears and clinical cytological specimens. The dye is chemically quality-certified according to highest standards and strict specifications. As an IVD product and CE registered, it can be used hassle-free in diagnostics and laboratory accreditations. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.

Product Information

HS Code3212 90 00
Quality LevelMQ400


Identity (UV/VIS-Spectrum)passes test
pH-value (0,01 %; methanol 50 %)5 – 6
Absorption maximum λ 1 (Methanol)623 – 627 nm
Absorption maximum λ 2 (Methanol)522 – 525 nm
Spec. Absorptivity A 1%/1cm
– λ1max; 0.0005 %; methanol; calculated on dried substance

800 – 1100
– λ2max; 0.0005 %; methanol; calculated on dried substance650 – 850
TLC-Testpasses test
Loss on drying (105 °C)≤ 8 %
Suitability for microscopypasses test

Safety Information

Hazard Pictogram(s)Hazard Pictogram(s)
Hazard Statement(s)H302: Harmful if swallowed.
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
Precautionary Statement(s)P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P264: Wash skin thoroughly after handling.
P280: Wear protective gloves/ eye protection/ face protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P302 + P352: IF ON SKIN: Wash with plenty of water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal WordWarning
Storage class10 – 13 Other liquids and solids
WGKWGK 3 highly hazardous to water
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.