Methyl Red Sodium Salt (Water Soluble)
C.I.No.13020
4-Dimethylaminoazobenzene-2'-carboxylic acid sodium salt, Acid Red 2
Product Code. |
01745 |
Grade |
|
Purity |
Min. 95% |
CAS No. |
845-10-3 |
Molecular Formula |
C15H14N3NaO2 |
Molecular Weight |
291.29 |
H.S.Code |
2927.00900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Dark red powder |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
180.5°C |
Solubility in water [% weight] |
Soluble in water |
Packaging
Specification
| Appearance | Orange to Red color Powder |
| pH transition range (4.5 - 6.2) | Pink - Yellow |
| Appearance of solution | Passes test |
| Loss on dryig (at 110°C) | Max 5% |
Safety Information and Hazard Symbols