Methyl Orange Indicator (Powder), PurReagent Ph. Eur.
PurReagent
Synonym: Methyl Orange
Linear Formula:
C14H14N3NaO3S
Molecular Weight: 327.33 g/mol
CAS Number: 547-58-0
Properties
| Water Solubility | Partially soluble |
| M pt. | >300 °C |
| Density | 0.987 g/mL |
| Form | Solid |
Safety Information
| Hazard Statement(s) | H301 |
| Precautionary Statement | P264 - P270 - P301 + P310 - P405 - P501 |
| GHS Pictogram |
|
| Signal word | Danger |
| HS Code | 29270090 |
| Flash point | 37 °C |
| Storage Temp. | Room Temperature |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects |
| UN Number | 3143 |
Description
Application
It is commonly applied in analytical chemistry laboratories and water treatment facilities to identify equivalence points during acid-base titrationsparticularly with strong acids and weak bases.
Purpose
Its main purpose is to provide a sharp distinct visual color transition from red to yellow to accurately signal the endpoint of a chemical neutralization reaction.
General Description
Methyl orange is a water-soluble synthetic azo dye that functions as a pH indicator by shifting its molecular structure and changing color between a pH of 3.1 and 4.4.
Documents
| SDS | |
| COA | |
| Specification | |
| Bulk quote order form | |
| Sample COA |
