198269
Erythrosin B
certified by the Biological Stain Commission, Dye content ≥85 %
Synonym(s):
Erythrosin extra bluish, 2′,4′,5′,7′-Tetraiodofluorescein disodium salt, Acid Red 51, Iodoeosin
About This Item
Recommended Products
grade
certified by the Biological Stain Commission
Quality Level
form
powder
composition
Dye content, ≥85%
color
dark red
pH
6.4 (30.3 °C)
mp
315 °C
solubility
H2O: 1 mg/mL, clear
density
0.625 — 0.731 g/cm3 at 30.1 °C (86.2 °F)
λmax
525 nm
ε (extinction coefficient)
≥13000 at 308-312 nm
≥32000 at 259-263 nm
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
[Na+].[Na+].[O-]c1c(I)cc2c(Oc3c(I)c([O-])c(I)cc3C24OC(=O)c5ccccc45)c1I
InChI
1S/C20H8I4O5.2Na/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h1-6,25-26H;;/q;2*+1/p-2
InChI key
RAGZEDHHTPQLAI-UHFFFAOYSA-L
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Application
Biochem/physiol Actions
Suitability
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
359.6 °F - closed cup
flash_point_c
182 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
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