G4507
Giemsa stain
Technical grade, powder
Synonym(s):
Azure mixture sicc. Giemsa stain
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About This Item
Empirical Formula (Hill Notation):
C14H14ClN3S
CAS Number:
Molecular Weight:
291.80
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47
MDL number:
Product Name
Giemsa stain, technical grade, used as a blood stain
grade
technical grade
Quality Segment
form
powder
color
dark greenvery dark
mp
300 °C (lit.)
solubility
ethanol: 1 mg/mL
λmax
645-655 nm
suitability
application for blood stain
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
[Cl-].CN(C)c1ccc2N=C3C=CC(=[NH2+])C=C3Sc2c1
InChI
1S/C14H13N3S.ClH/c1-17(2)10-4-6-12-14(8-10)18-13-7-9(15)3-5-11(13)16-12;/h3-8,15H,1-2H3;1H
InChI key
NALREUIWICQLPS-UHFFFAOYSA-N
General description
Giemsa stain is a versatile differential stain that is widely used in hematology for blood and bone marrow specimens, clinical cytology specimens, bacteriology, histological biopsies, and tumor samples. Giemsa’s staining solution is composed of methylene blue, azure, and eosin. It is a major histological stain due to its unique staining of chromatin, nuclear membranes, and cytoplasmic elements. The stain is frequently used in combination with other dye solutions: May-Grünwald’s solution for Pappenheim (MGG) and Wright-Giemsa.
Application
Giemsa stain has been used for the staining of cells and blood films.
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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