A4043
Azure B
Dye content, ≥80%, certified by the Biological Stain Commission, powder
Synonym(s):
N,N,N′-Trimethylthionin, Azure I, Methyleneazure
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About This Item
Empirical Formula (Hill Notation):
C15H16ClN3S
CAS Number:
Molecular Weight:
305.83
Colour Index Number:
52010
Beilstein/REAXYS Number:
3922630
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47
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Product Name
Azure B, certified by the BSC
agency
certified by the BSC
Quality Level
form
powder
composition
Dye content, ≥80%
technique(s)
microbe id | staining: suitable
color
dark green
mp
205-210 °C (dec.) (lit.)
solubility
H2O: 1 mg/mL
fluorescence
λex 648 in ethanol
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Application
Azure B has been used for the staining of chromosomes.
Biochem/physiol Actions
Azure B is a cationic dye. It is part of the Romanowsky stain, which is used for the staining of blood films. It is also used for the localization of nucleic acids.
Suitability
Certified for use in Lillie′s modified Nocht′s method for paraffin sections and the NCCLS method for blood smears.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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