A1496650
Methylblue , BiologicalStain , 28983-56-4
Synonym(s):
Acid blue 93;Cotton blue;Water blue;Poirriers blue;Methyl blue for microscopy and microbiology
CAS NO.：28983-56-4
Empirical Formula: C37H29N3O9S3.2Na
Molecular Weight: 799.8
MDL number: MFCD00058509
EINECS: 249-352-9
| Pack Size | Price | Stock | Quantity |
| 25g | RMB27.20 | In Stock |
|
| 100g | RMB98.40 | In Stock |
|
| 500g | RMB415.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | >250℃ |
| Boiling point: | 1380℃[at 101 325 Pa] |
| Density | 1.49[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Store at RT. |
| solubility | 70g/l |
| form | powder |
| Colour Index | 42780 |
| color | Red to Brown |
| PH Range | 11.0(BLUE)-13.0(RED) |
| PH | 5.0 (10g/l, H2O, 20℃) |
| Odor | Odorless |
| Water Solubility | Soluble in water |
| λmax | 600 nm |
| Merck | 13,6055 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| Biological Applications | Assay for nucleic acids,protein determination,identification of Candida albicans; method for counting leukocytes,controlled drug release; radiotherapy; treating apolipoprotein E-related diseases; oral care products |
| LogP | -3.75 at 25℃ |
Description and Uses
Methyl Blue is used as a stain for tissue in biological applications. It is also used to study aromatic framework ability to remove charged dyes from water. Methyl Blue can be used as a indicator with a range of (pH 9.4-14.0).
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H315-H319-H335 |
| Precautionary statements | P280a-P304+P340-P405-P501a-P261-P305+P351+P338 |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 22-24/25-36/37-26 |
| WGK Germany | 3 |
| RTECS | DB5044700 |
| TSCA | Yes |
| HS Code | 29350090 |
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg |
