1.07599
Rhodamine B (C.I.45170)
for microscopy
Synonym(s):
Rhodamine B (C.I.45170), Tetraethylrhodamine, Brilliant pink B
About This Item
Recommended Products
Quality Level
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
composition
Dye, ≥90% spectrophotometric assay
pH
3-4 (20 °C, 10 g/L in H2O)
mp
199-201 °C
solubility
15 g/L
density
1.31 g/cm3 at 20 °C
bulk density
250 kg/m3
εmax
2115-2350 at 550-552 nm in 50% ethanol at 0.003 g/L
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1 of 4
This Item | 1.04178 | 83689 | 79754 |
---|---|---|---|
solubility 15 g/L | solubility 15 g/L | solubility H2O: soluble, methanol: soluble | solubility - |
form solid | form solid | form powder or crystals | form - |
application(s) diagnostic assay manufacturing | application(s) diagnostic assay manufacturing | application(s) - | application(s) cleaning products |
Quality Level 400 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
storage temp. 2-30°C | storage temp. 2-30°C | storage temp. - | storage temp. - |
composition Dye, ≥90% spectrophotometric assay | composition Dye, ≥90% spectrophotometric assay | composition - | composition - |
General description
Analysis Note
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (ethanol 50 %): 550 - 552 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.003 g/l; ethanol 50 %): 2115 - 2350
TLC-Test: passes test
Loss on drying (110 °C): ≤ 5 %
Suitability for microscopy: passes test
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_c
Not applicable
Certificates of Analysis (COA)
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