Acetonitrile, Gradient Grade, ≥99.9%, CHROMASOLV™
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acetonitrile, gradient grade, ≥99.9%, chromasolv™
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Acetonitrile, Gradient Grade, ≥99.9%, CHROMASOLV™
Acetonitrile ≥99.9% CHROMASOLV™
for HPLC, gradient grade
Synonym(s)- ACN, Methyl cyanide
- Same high quality as CHROMASOLV HPLC
- Additional testing for HPLC via gradient analysis and UV-VIS spectroscopy
- Low UV profile by HPLC
- Low impurity gradient LC baseline
| Property |
Value |
| Assay (GC) |
min. 99.90% |
| Refractive index (n 20/D) |
1.3435 - 1.3445 |
| Non-volatile matter |
max. 0.0005% |
| Water (Karl Fischer) |
max. 0.02% |
| Free acid (as CH3COOH) |
max. 0.001% |
| Free alkali (as NH3) |
max. 0.0002% |
| Absorbance at 400 nm |
max. 0.0044 |
| Absorbance at 250 nm |
max. 0.0044 |
| Absorbance at 235 nm |
max. 0.0044 |
| Absorbance at 230 nm |
max. 0.0044 |
| Absorbance at 200 nm |
max. 0.032 |
| Absorbance at 195 nm |
max. 0.12 |
| Fluorescence (chinin) at 254 nm |
max. 1 ppb |
| Fluorescence (chinin) at 365 nm |
max. 0.5 ppb |
| HPLC Gradient at 210 nm |
max. 3 mAU |
| HPLC Gradient at 254 nm |
max. 0.5 mAU |
| Baseline drift at 210 nm |
max. 15 mAU |
| Refractive Index |
n20/D 1.344(lit.) |
| Measuring Range |
≤15 mAU baseline drift, (210 nm) |
| Autoignition Temperature |
973°F |