| Neutral red (pH indicator) AR 25GM | |||
| 21006SG025 | 828780312AU | ||
| AR | 8287803 | ||
| 553-24-2 | 57546 | ||
| C15H17ClN4 | January 2021 | ||
| 288.78 | December 2025 | ||
| Sr.No. | Test | Result | Specification |
|---|---|---|---|
| 1 | Description | Dark green crystals. | Dark green crystals. |
| 2 | Solubility | Passes | Soluble in water or alcohol with red color. |
| 3 | Dye content (Spectrophotometry, on dry basis) | 61% | ~ 60% |
| 4 | pH transition range(pH 6.8-8.0) | Passes | Violet red-orange yellow |
| 5 | Absorption, L max | 539 nm | 539-544 nm |
| 6 | Absorptivity(1%, 1cm, on dry basis) | 976 | Min. 900 |
| 7 | Loss on drying,110°C | 3% | 8.0% 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.
