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Thermo Scientific Chemicals Methylene Blue hydrate, pure
Description
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
Melting Point | 100.0°C to 110.0°C |
Solubility Information | Solubility in water: soluble. Other solubilities: soluble in methanol, ethanol |
Infrared Spectrum | Authentic |
IUPAC Name | 7-(dimethylamino)-N,N-dimethyl-3H-phenothiazin-3-iminium chloride |
Formula Weight | 319.85 |
Loss on Drying | 22% max. |
Percent Purity | ≥70% (TiCl3-titration) |
Grade | Pure |
Packaging | Plastic Drum |
Color | Green |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
A0469284 | Certificate of Analysis | 31/01/2025 | 414251000,414250025,414255000 |
A0461903 | Certificate of Analysis | 11/04/2024 | 414251000,414250025,414255000 |
A0450270 | Certificate of Analysis | 10/02/2023 | 414251000,414250025,414255000 |
A0402362 | Certificate of Analysis | 14/12/2022 | 414251000,414250025,414255000 |
A0413614 | Certificate of Analysis | 13/12/2022 | 414251000,414250025,414255000 |
Safety and Handling

- Methylene Blue hydrate
- Warning
- Acute toxicity Category 4
- H302-Harmful if swallowed.
- P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
- MIXTURE LIST-Contains : Methylene Blue hydrate
RUO – Research Use Only
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