CRYSTAL VIOLET (C.I. 42555) INDICATOR ACS;REAG. PH EUR

Code: 1014081000 D2-231

Analysis Note

Dye content (spectrophotometrically; calc. on dried substance): ≥ 90.0%Identity (UV/VIS-Spectrum): passes testAbsorbance characteristics (Ratio,E (λm...


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Analysis Note

Dye content (spectrophotometrically; calc. on dried substance): ≥ 90.0%Identity (UV/VIS-Spectrum): passes testAbsorbance characteristics (Ratio,E (λmax - 15 nm)/E (λmax + 15 nm)): 0.98 - 1.20Absorption maximum λmax. (water): 589 - 594 nmSpec. Absorptivity A 1%/1cm (λmax; 0.002 g/l; water): 2000 - 2450TLC-Test: passes testMichler`s ketone: ﹤0.10%Loss on drying (110 °C, 4 h): ≤ 7.5%Suitability as indicator (ACS): passes testSuitability as indicator (Reag. Ph. Eur.): passes test

Packaging

25, 100 g in Glass bottle

1 kg in Glass bottle

λmax589-594 nm in water
absorbance ratio0.98-1.20 (Ratio, E (lambdamax - 15 nm)/E (lambdamax +  15 nm))
agencyreag. Ph. Eur.
bulk density220‑400 kg/m3
compositiondye content, ≥90% spectrophotometric assay (calc. on dried substance)
density1.19 g/cm3 at 20 °C
formsolid
gradeACS reagent
impurities﹤0.10% Michler′s ketone
InChI keyZXJXZNDDNMQXFV-UHFFFAOYSA-M
InChI1S/C25H30N3.ClH/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6;/h7-18H,1-6H3;1H/q+1;/p-1
loss≤7.5% loss on drying, 110°C, 4 h
mp189-194 °C
pH2.5-3.5 (20 °C, 10 g/L in H2O)
potency420 mg/kg LD50, oral (Rat)
Quality Level200
solubility10 g/L
storage temp.2-30°C
Cas Number548-62-9
Hazard Class9
Un Number3077
Pack GroupIII
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