Methylene blue
Product Name: Methylene blue
Product Number: DM200
SIZE: 10g
Molecular Formula: C16H18ClN3S·3H2O
Molecular Weight: 373.9
CAS: 7220-79-3
TEST
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SPECIFICATION
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(C16H18CIN3S•3H2O)Assay,%
|
≥82
|
Allochroic test
|
Pass
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Dyeing test
|
Pass
|
Solubility in ethanol
|
Pass
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Ignition residue,%
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≤0.5
|
Drying loss,%
|
≤15
|
Zinc,%
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≤0.02
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Copper,%
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≤0.015
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Arsenic,%
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≤0.0005
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