Methylene blue, GR
Order Methylene blue, GR (CAS 122965-43-9) online at Zemixal: C16H20ClN3OS, COA and SDS with every lot, worldwide shipping.
About Methylene blue, GR
Researchers and plant chemists source Methylene blue, GR from Zemixal for routine and specialised work. Identity at a glance (AR): CAS 122965-43-9, formula C16H20ClN3OS and molar mass 337.9 g/mol. Expect dark green powder.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Indicator for titrations
Storage and safety notes
Solubility: passes test. Classified under GHS with signal word Warning and hazard statements H302. Read the SDS before first use.
Standard pack sizes are 25 g, 100 g, 1 kg and 5 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Indicator for titrations
Applications
Grade guides
Specifications and identifiers
| Product name | Methylene blue, GR |
|---|---|
| Catalogue number | ZX-000632 |
| CAS number | 122965-43-9 |
| IUPAC name | [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate |
| Molecular formula | C16H20ClN3OS |
| Molar mass | 337.9 g/mol |
| Exact mass | 337.1016 |
| Grade | AR |
| Physical form | Powder |
| Appearance | Dark green powder |
| Solubility | Passes test |
| H-bond donors / acceptors | 1 / 5 |
| Topological polar surface area | 44.9 Ų |
| HS code | 32041351 |
| InChIKey | WQVSELLRAGBDLX-UHFFFAOYSA-M |
| SMILES | CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.[Cl-] |
| PubChem CID | 16211647 |
| Synonyms | 3,7-bis(Dimethylamino)phenazathionium chloride, Basic Blue 9, Tetramethylthionine chloride, Methylene Blue hydrate, Methylene Blue monohydrate, Basic Blue 9 monohydrate, Methylene Blue (hydrate), C.i. basic Blue 9 monohydrate, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride hydrate(1:1:x), 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride xhydrate, Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, hydrate (1:1:3) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 5 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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