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1.01383

Sigma-Aldrich

Wright′s eosin methylene blue solution

for microscopy

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About This Item

UNSPSC Code:
41116130
NACRES:
NA.05

Quality Level

form

liquid

autoignition temp.

420 °C (Methanol)

expl. lim.

5.5-44 % (v/v) Methanol)

IVD

for in vitro diagnostic use

pH

7-8 (20 °C in H2O)

transition temp

flash point 9.7 °C (Methanol)

density

0.80 g/cm3 at 20 °C

application(s)

clinical testing
diagnostic assay manufacturing
hematology
histology

storage temp.

15-25°C

General description

The Wright′s eosin methylene blue solution for microscopy, is a ready-to-use solution used in the staining method according to Wright, is one of the standard techniques in hematological diagnostic procedures. Like Leishman′s eosin methylene blue solution and May-Grünwald′s eosin methylene blue solution, it is used for staining of blood and bone marrow smears and clinical cytological specimens.
The Wright′s eosin methylene blue solution is an IVD / CE product and 500 ml are sufficient for staining up to 1000 slides in Hellendahl cells. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.

Analysis Note

Suitability for microscopy (Blood smear): passes test
Erythrocytes: pink to brownish
Nuclei: blue-violet
Eosinophilic granules: red to red-brown
Neutrophilic granules: light violet
Lymphocyte cytoplasm: blue

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

Target Organs

Eyes,Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

49.5 °F - closed cup - Methanol

Flash Point(C)

9.7 °C - closed cup - Methanol


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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