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
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Product Name
Methylene blue (C.I. 52015), Reag. Ph Eur
Agency
reag. Ph. Eur.
suitable for SM 4500 - NH3
Quality Level
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
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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 %
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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