Methyl orange (pH indicator) 1KG | |||
10960SR100 | 364184307LU | ||
Indicator | 3641843 | ||
547-58-0 | 80562 | ||
C14H14N3NaO3S | December 2021 | ||
327.34 | November 2026 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Orange-yellow crystalline powder. | Orange-yellow crystalline powder. |
2 | Solubility | Passes | Slightly soluble in water & insoluble in alcohol. |
3 | Dye content | 85.10% | Min.85% |
4 | Transition range(pH 3.1-4.4) | Passes | pink to orange yellow |
5 | Absorption, L max pH 3.1 | 503 nm | 501 - 504 nm |
6 | Absorption, L max pH 4.4 | 469 nm | 467 - 471 nm |
7 | Loss on drying,110°C | 4.2% | 5.0% max |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |