| Methyl red (pH indicator) 25GM | |||
| 10980SG025 | 916124312IW | ||
| Indicator | 9161243 | ||
| 493-52-7 | 97570 | ||
| C15H15N3O2 | September 2023 | ||
| 269.31 | August 2028 | ||
| Sr.No. | Test | Result | Specification |
|---|---|---|---|
| 1 | Description | Reddish brown crystals. | Redddish brown crystals. |
| 2 | Solubility | Complies | Soluble in alcohol & acetic acid. Insoluble in water. |
| 3 | Dye content | 96.4% | min. 85% |
| 4 | Transition range(pH 4.5-6.2) | Complies | red violet to brownish yellow |
| 5 | Absorption, L max | 524nm | pH 4.5,523-526nm |
| 6 | Absorption ,L max | 432nm | pH 6.2,430-434nm |
| 7 | Loss on drying,110°C | 2.33% | 5.00% max |
Remarks: THE CAPTIONED BATCH MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF THE ABOVE SPECIFICATION.
FINAR provides this analytical report in good faith and to the best of its knowledge. It should not be substituted for the users own raw material quality control.
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |
Computer Generated Report - Does not require Signature.
