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
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
208-511-2
MDL number:
Colour Index Number:
52010
Beilstein/REAXYS Number:
3922630
Product Name
Azure B, certified by the BSC
agency
certified by the BSC
Quality Segment
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
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
C[N+](C)=C(C=C1)C=C(C1=N2)SC3=C2C=CC(NC)=C3.[Cl-]
InChI
1S/C15H15N3S.ClH/c1-16-10-4-6-12-14(8-10)19-15-9-11(18(2)3)5-7-13(15)17-12;/h4-9H,1-3H3;1H
InChI key
DNDJEIWCTMMZBX-UHFFFAOYSA-N
Application
Azure B has been used for the staining of chromosomes.
Certified for use in Lillie′s modified Nocht′s method for paraffin sections and the NCCLS method for blood smears.
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.
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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