METHYLENE BLUE (C.I. 52015) REAG. PH EUR

Code: 1592700100 D2-231

Analysis Note

Appearance: Dark green powder, eventually with granular and bright parts.Identity (UV/VIS-Spectrum): passes testAbsorption maximum λmax. (ethano...


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Analysis Note

Appearance: Dark green powder, eventually with granular and bright parts.Identity (UV/VIS-Spectrum): passes testAbsorption maximum λmax. (ethanol 50 %): 660 - 665 nmSpec. Absorptivity A 1%/1cm (λmax; 0.003 g/l; ethanol 50 %): 2250 - 2750Loss on drying (110 °C): 10 - 15 %

Packaging

100 g in Glass bottle

λmax660-665 nm at 50% in ethanol
agencyreag. Ph. Eur.
bulk density400‑600 kg/m3
colordark green
formpowder
InChI keyCXKWCBBOMKCUKX-UHFFFAOYSA-M
InChI1S/C16H18N3S.ClH/c1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;/h5-10H,1-4H3;1H/q+1;/p-1
loss10-15% loss on drying, 110 °C
mp190 °C (dec.) (lit.)
pH3 (20 °C, 10 g/L in H2O)
potency1180 mg/kg LD50, oral (Rat)
Quality Level200
SMILES string[Cl-].CN(C)c1ccc2N=C3C=CC(C=C3Sc2c1)=[N+](/C)C
solubility50 g/L
storage temp.2-30°C
Cas Number7220-79-3
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