200964
Erythrosin B
Dye content ≥95 %
Synonym(s):
Solvent Red 140
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About This Item
Recommended Products
form
powder
Quality Level
composition
Dye content, ≥95%
technique(s)
microbe id | staining: suitable
color
orange to red-orange
mp
303 °C (dec.) (lit.)
solubility
1 M NH4OH: 1 mg/mL
1 M NH4OH: soluble 1 mg/mL, orange to red
ε (extinction coefficient)
≥102000 at 526-534 nm at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3)
≥13000 at 310-318 nm in 1 M NH4OH at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3)
≥32000 at 258-266 nm at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3)
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
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This Item | 198269 | E4009 | R4127 |
---|---|---|---|
orange to red-orange | dark red | light red to red/pink | - |
diagnostic assay manufacturing | diagnostic assay manufacturing | diagnostic assay manufacturing | diagnostic assay manufacturing |
powder | powder | powder | powder |
1 M NH4OH: 1 mg/mL, 1 M NH4OH: soluble 1 mg/mL, orange to red | H2O: 1 mg/mL, clear | ethanol: 1 mg/mL | H2O: 1 mg/mL (Red to Very Dark Red) |
room temp | room temp | room temp | room temp |
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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