4L HPLC Methanol
Produce Code: DW1.01013.4000
CAS No.: 67-56-1
Molecular Weight: 32.042
Molecular Formula: CH3OH
Grade: HPLC
Description
4L HPLC Methanol / Advantages of products
- Low ultraviolet and fluorescent impurities content.
- Meeting the gradient analysis requirements of UHPLC/UPLC/HPLC
- Low gradient peaks (<2.0 mAU at 235 nm), guaranteed the reliability and reproducibility of gradient analysis results
- Lower particulate matter content and better protection for instruments and chromatographic columns through a 0.05 um filtration process.
- Excellent batch stability
Technical Analysis Indicators
| Characteristics | Standard Specifications | |
| Assay (on anhydrous substance) | Min.99.9% | |
| Solution (100g/l) | Neutral | |
| Acidity | Max. 0.0002 mmol/g | |
| Alkalinity | Max. 0.0002 mmol/g | |
| Boiling point | 64–>65℃ | |
| Coloration | Max. 10 APHA | |
| Density (20/20) | 0.791 –> 0.793 | |
| Evaporation residue | Max. 1 ppm | |
| Water | Max. 300 ppm | |
| UV transmittance | (210 nm) | Min.18% |
| (220 nm) | Min.58% | |
| (230 nm) | Min.73% | |
| (235 nm) | Min.83% | |
| (250 nm) | Min.95% | |
| > (260 nm) | Min.98% | |
| Conforms to Ch.P. | Passes test | |
| Conforms to Reag.Ph.Eur | Passes test | |
| Conforms to ACS | Passes test | |
