Methylene blue
Order Methylene blue (CAS 122965-43-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-000631.
About Methylene blue
Researchers and plant chemists source Methylene blue from Zemixal for routine and specialised work. Identity at a glance (Microscopy): CAS 122965-43-9, formula C16H20ClN3OS and molar mass 337.9 g/mol. Expect dark green to very dark green powder.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Safe handling
It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.
Available as 25 g, 100 g, 1 kg and 25 kg. Larger or split packs can be arranged. 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
- Biological staining
Applications
Specifications and identifiers
| Product name | Methylene blue |
|---|---|
| Catalogue number | ZX-000631 |
| 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 | Microscopy |
| Physical form | Powder |
| Appearance | Dark green to very dark green powder |
| 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 | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Methylene blue
Which CAS number identifies Methylene blue?
What are the formula and molar mass of Methylene blue?
What grade and pack sizes are available for Methylene blue?
Which documents come with Methylene blue?
Can Zemixal ship Methylene blue to my country?
Other grades with CAS 122965-43-9
Related products
More in Stains, Fluorescent Dyes & Histology Reagents
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.