Methanol ≥99.9%, CHROMASOLV™, gradient grade for HPLC, Riedel-de Haën™
Supplier: Honeywell Research Chemicals
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Danger
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Synonyms:
Wood alcohol, Methyl alcohol, Hydroxy methane, Carbinol
Methanol (CH3OH) is also known as Methyl Alcohol or wood alcohol. It is a clear, colorless, volatile and flammable liquid. Methanol is a common laboratory solvent and is especially useful for HPLC and UV/VIS spectroscopy applications due to its low UV cutoff. Methanol is toxic if ingested and can result in blindness, coma and death. Suitable for HPLC gradient elution technics.
- 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
Beilstein Number: 1098229
Formula:
CH₃OH MW: 32.04 g/mol Boiling Pt: 64…65 °C (1.013 hPa) Melting Pt: –98 °C Density: 0.79 g/cm³ (20 °C) (lit.) Flash Pt: 11 °C Storage Temperature: Ambient |
MDL Number:
MFCD00004595 CAS Number: 67-56-1 EINECS: 200-659-6 UN: 1230 ADR: 3 II Merck Index: 13,05984 |
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Specification Test Results
Assay (GC) | Min. 99.9 % |
Non-volatile matter | Max. 0.0003 % |
Water (Karl Fischer) | Max. 0.02 % |
Free alkali (as NH₃) | Max. 0.0005 % |
Absorbance at 400 nm | Max. 0.01 |
Absorbance at 260 nm | Max. 0.01 |
Absorbance at 240 nm | Max. 0.05 |
Absorbance at 235 nm | Max. 0.10 |
Absorbance at 230 nm | Max. 0.15 |
Absorbance at 220 nm | Max. 0.30 |
Absorbance at 210 nm | Max. 0.50 |
HPLC Gradient at 230 nm | Max. 2 mAU |
HPLC Gradient at 254 nm | Max. 5 mAU |
Fluorescence (chinin) at 254 nm | Max. 1 ppb |
Fluorescence (chinin) at 365 nm | Max. 1 ppb |
Appearance (color) | complying |
Appearance (form) | complying |
Vapor Density | 1.11 (vs air) |
Vapor Pressure | 410 mmHg ( 50 °C) |
Autoignition Temperature | 725 °F |
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