
| Acetonitrile Gradient Grade CS 2.5LT | |||
| 41030LC250 | A1133N910IY | ||
| Gradient grade CS | A1133N9 | ||
| 75-5-8 | 115417 | ||
| CH3CN | September 2025 | ||
| 41.05 | August 2030 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | *Description | Clear colourless liquid. | Clear colourless liquid. | In-house |
| 2 | *Solubility | Complies | Miscible with water. | In-house |
| 3 | Colour | Less than 10 Hazen | Not more than 10 Hazen. | ACS 11th |
| 4 | Specific gravity, 20°C | 0.782 | 0.782-0.783 | ASTM D891 |
| 5 | Distillation range (80-82°C) | 96% | Min. 95% (v/v) | ASTM D1078 |
| 6 | *Assay (GC) | 100.0% | Min. 99.9% | ACS 11th |
| 7 | *Gradient elution test (at 210 nm) | 2.1 mAU | 4.0 mAU max. | ACS 11th |
| 8 | *Gradient elution test (at 254 nm) | 0.3 mAU | 1.0 mAU max | ACS 11th |
| 9 | UV Transmission Profile (1cm cell)@195nm | 84.85% | Min. 83% | ACS 11th |
| 10 | UV Transmission Profile (1cm cell)@200nm | 95.68% | Min. 95% | ACS 11th |
| 11 | UV Transmission Profile (1cm cell)@210nm | 97.01% | Min. 96% | ACS 11th |
| 12 | UV Transmission Profile (1cm cell)@220nm | 98.36% | Min. 97% | ACS 11th |
| 13 | UV Transmission Profile (1cm cell)@230nm | 99.16% | Min. 98% | ACS 11th |
| 14 | UV Transmission Profile (1cm cell)@240nm | 99.48% | Min. 99% | ACS 11th |
| 15 | Acidity | 0.0001 meq/g | NMT 0.0002 meq/g | ACS 11th |
| 16 | Alkalinity | 0.0001 meq/g | NMT 0.0002 meq/g | ACS 11th |
| 17 | Water | 0.02% | 0.03% max | ASTM E203 |
| 18 | Residue on evaporation | 0.0001% | 0.0004% max | ACS 11th |
| 19 | NMR | Complies | Passes | In-house |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |