Chemical Search
Methylene blue
1. Molecular Structure
2. Chemical Identity
| Property | Value |
|---|---|
| IUPAC Name | [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride |
| CAS Number | 12262-49-6 |
| Molecular Formula | C16H18ClN3S |
| SMILES | CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-] |
3. Chemical Properties
| Property | Value |
|---|---|
| Appearance | Dark green crystals or powder from chloroform-ethyl ether |
| Molecular Weight | 319.9 g/mol |
| TPSA | 43.9 Ų |
| Formal Charge | 0 |
4. Experimental Properties
| Property | Value |
|---|---|
| Density | No data available |
| Solubility | In water, 43,600 mg/L at 25 °C. |
| Vapor Pressure | 0.00000013 [mmHg] |
| Vapor Density | No data available |
| Melting Point | 100-110 °C (decomposes) |
| Boiling Point | No data available |
| Flash Point | No data available |
| Autoignition Temp | No data available |
| Decomposition | When heated to decomposition it emits very toxic fumes of /nitrogen oxides, sulfur oxides and chloride/. |
| Dissociation Constant | No data available |
| pH | No data available |
| LogP | No data available |
| Refractive Index | No data available |
5. Supplier Suggestions
| Supplier | Website | Location |
|---|---|---|
| Sigma Aldrich/Merck | Visit Merck | International |
| Lennox | Visit Lennox | Ireland |
| Doc Solder | Visit Doc Solder | Ireland |
6. GHS Safety & Hazards
Signal Word
Warning
Warning
Hazard Statements
- H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
- H302 (91.6%): Harmful if swallowed [Warning Acute toxicity, oral]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H318 (100%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H318 (25.6%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H412 (10.3%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
Precautionary Statements
- P203, P260, P264, P270, P280, P301+P317, P308+P316, P318, P319, P321, P330, P405, and P501 (click each P-code to see the statement)
- P264, P264+P265, P270, P273, P280, P301+P317, P305+P354+P338, P317, P330, and P501 (click each P-code to see the statement)
- P264, P264+P265, P270, P280, P301+P317, P305+P354+P338, P317, P330, and P501 (click each P-code to see the statement)