Molekula
Methylene blue
Methylene blue is a heterocyclic aromatic compound used as a dye, biological stain, and pharmaceutical agent, particularly in treating methemoglobinemia and as a diagnostic tool. It is available in powder form with a CAS number of 61-73-4, molecular formula C16H18ClN3S, and molecular weight of 319.85 g/mol. Stored at ambient temperatures, it carries a warning signal word due to potential hazards. Molekula supplies Methylene blue from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Methylene blue is a heterocyclic aromatic compound used as a dye, biological stain, and pharmaceutical agent, particularly in treating methemoglobinemia and as a diagnostic tool. It is available in powder form with a CAS number of 61-73-4, molecular formula C16H18ClN3S, and molecular weight of 319.85 g/mol. Stored at ambient temperatures, it carries a warning signal word due to potential hazards. Molekula supplies Methylene blue from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Brown red powder |
| Water | ≤5% |
| Solubility | ≥30 g/l @80℃ |
| Strength | 97% - 103% |
| Insoluble Content | ≤4% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 61-73-4 |
| Molecular Formula | C16H18ClN3S |
| Molecular Weight | 319.85 |
| SMILES | [Cl-].N=1C2=CC=C(C=C2[S+]=C3C=C(C=CC13)N(C)C)N(C)C |
| REACH Code | Y110 |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Safety & GHS
-
Explosive
GHS01
-
Flammable
GHS02
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H361 Suspected of damaging fertility or the unborn child
- H373 May cause damage to organs through prolonged or repeated exposure
- H413 May cause long lasting harmful effects to aquatic life
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is methylene blue used for?
Methylene blue is commonly used as a dye in biological staining, a reagent in redox reactions, and in medical applications such as treating methemoglobinemia.
What is the chemical formula and molecular weight of methylene blue?
The formula is C16H18ClN3S and the molecular weight is 319.85 g/mol.
How should methylene blue be stored?
Store at ambient temperature, protected from light and moisture.
What grade of methylene blue does Molekula supply?
Molekula supplies methylene blue in analytical grade.
Can Molekula supply methylene blue in bulk?
Yes, Molekula can supply methylene blue in bulk quantities—please contact our sales team for details.
What documentation comes with a methylene blue order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.