Methyl Green
ALDRICH/323829 - zinc chloride salt, <0.5% crystal violet, Dye content 80 %
Synonym: Ethyl Green
CAS Number: 7114-03-6
Empirical Formula (Hill Notation): C27H35BrClN3 · ZnCl2
Molecular Weight: 653.24
EC Number: 230-415-4
MDL Number: MFCD00151094
Linear Formula: C27H35BrClN3 · ZnCl2
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 323829-25G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 323829-5G
| ε (extinction coefficient) | ≥14000 at 311-317 in water at 0.005 g/L |
| ≥50000 at 629-635 in water at 0.005 g/L | |
| ≥9000 at 420-426 in water at 0.005 g/L | |
| λmax | 420 nm (2nd) |
| 635 nm | |
| application(s) | diagnostic assay manufacturing hematology histology |
| assay | >75.0% (HPLC) |
| composition | Dye content, 80% |
| form | solid |
| impurities | <0.5% crystal violet |
| InChI | 1S/C27H35N3.BrH.3ClH.Zn/c |
| InChI key | RRKSQWOQZFIQKW-UHFFFAOYSA |
| mp | >300 °C (lit.) |
| pH | 0.2-1.8, yellow to blue |
| Quality Level | 200  |
| SMILES string | [Cl-].[Br-].Cl[Zn]Cl.CC[N |
| solubility | water: 1 mg/mL |
| storage temp. | room temp |
| technique(s) | titration: suitable |
| Application: | Used in the Methyl Green-Pyronin methods to demonstrate DNA and RNA in tissue sections. |
| General description: | Methyl Green is a triphenylmethane dye which is mainly used in combination with pyronin. It is suitable for the detection of DNA and RNA. |
| Other Notes: | Zinc chloride salt |
| Packaging: | 5, 25 g in glass bottle |
| Symbol |    GHS05,GHS07,GHS09 |
| Signal word | Danger |
| Hazard statements | H314 - H335 - H411 |
| Precautionary statements | P260 - P271 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Purity | >75.0% (HPLC) |
| mp | >300 °C (lit.) |
| Storage Temp. | room temp |
| Colour Index Number | 42590 |
| UNSPSC | 12171500 |