1.04172
Toluidine blue O (C.I.52040)
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About This Item
Empirical Formula (Hill Notation):
C15H16ClN3S
CAS Number:
Molecular Weight:
305.83
UNSPSC Code:
41116130
NACRES:
NA.21
MDL number:
form
solid ()
Quality Segment
composition
Dye, ≥85% spectrophotometric assay
pH
2.8 (25 °C in H2O)
solubility
30 g/L
bulk density
410 kg/m3
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
2-30°C
SMILES string
[s+]1c2c(nc3c1cc(cc3)N(C)C)cc(c(c2)N)C.[Cl-]
InChI
1S/C15H16N3S.ClH/c1-9-6-13-15(8-11(9)16)19-14-7-10(18(2)3)4-5-12(14)17-13;/h4-8H,16H2,1-3H3;1H/q+1;/p-1
InChI key
HNONEKILPDHFOL-UHFFFAOYSA-M
General description
Toluidine blue O (C.I. 52040) for microscopy Certistain® is adry dye that is used for the preparation of a staining solution for staining nuclei and for visualization of metachromasia. As a CERTISTAIN® dye it is chemically quality-certified according to highest standards and strict specifications.
Application
for microscopy Certistain®
Analysis Note
Dye content (Diaminophenothiazins, spectrophotometrically): ≥ 85 %
Identity
- chloride:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ max (water): 628 - 633 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; water): 1330 - 1570
TLC-Test: passes test
Loss on drying (110 °C): ≤ 8 %
Suitability for microscopy: passes test
Identity
- chloride:
passes test
- UV/VIS-Spectrum: passes test
Absorption maximum λ max (water): 628 - 633 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; water): 1330 - 1570
TLC-Test: passes test
Loss on drying (110 °C): ≤ 8 %
Suitability for microscopy: passes test
Legal Information
CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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Certificates of Analysis (COA)
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