1.59270
Methylene blue (C.I. 52015)
redox indicator, Reag. Ph Eur
Synonym(s):
Methylene Blue trihydrate, Methylthioninium chloride, 3,7-Bis(dimethylamino)phenothiazinium chloride, Tetramethylthionine chloride
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About This Item
Product Name
Methylene blue (C.I. 52015), Reag. Ph Eur
Quality Level
agency
reag. Ph. Eur., suitable for SM 4500 - NH3
form
powder
potency
1180 mg/kg LD50, oral (Rat)
loss
10-15% loss on drying, 110 °C
color
dark green
pH
3 (20 °C, 10 g/L in H2O)
mp
190 °C (dec.) (lit.)
solubility
50 g/L
bulk density
400‑600 kg/m3
λmax
660-665 nm at 50% in ethanol
storage temp.
2-30°C
SMILES string
[Cl-].CN(C)c1ccc2N=C3C=C\C(C=C3Sc2c1)=[N+](/C)C
InChI
1S/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
InChI key
CXKWCBBOMKCUKX-UHFFFAOYSA-M
Analysis Note
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (ethanol 50 %): 660 - 665 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.003 g/l; ethanol 50 %): 2250 - 2750
Loss on drying (110 °C): 10 - 15 %
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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