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form
solid
Quality Level
potency
420 mg/kg LD50, oral (Rat)
composition
Dye, ≥88% spectrophotometric assay
pH
2.5-3.5 (20 °C, 10 g/L in H2O)
mp
189-194 °C
solubility
10 g/L
density
1.19 g/L at 20 °C
bulk density
220‑400 kg/m3
application(s)
diagnostic assay manufacturing
hematology
histology
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General description
Application
Analysis Note
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (water): 589 - 594 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.002 g/l; water): 2050 - 2450
TLC-Test: passes test
Michler`s ketone: <0.10%
Loss on drying (110 °C): ≤ 10%
Suitability for microscopy: passes test
Legal Information
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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