19-2470

Methanol

≥99.8% (GC), suitable for HPLC

• Synonym(s): Methyl alcohol
• Linear Formula: CH₃OH
• CAS Number: 67-56-1
• Molecular Weight: 32.04
• Beilstein: 1098229
• EC Number: 200-659-6
• MDL number: MFCD00004595
• UNSPSC Code: 51273804
• PubChem Substance ID: 329751705

Properties

• product name: Methanol, suitable for HPLC
• vapor density: 1.11 (vs air)
• vapor pressure: 410 mmHg ( 50 °C); 97.68 mmHg ( 20 °C)
• Assay: ≥99.8% (GC)
• form: liquid
• autoignition temp.: 725 °F
• expl. lim.: 36 %
• availability: available only in Japan
• technique(s): HPLC: suitable
• refractive index: n20/D 1.329 (lit.)
• bp: 64.7 °C (lit.)
• mp: −98 °C (lit.)
• density: 0.791 g/mL at 25 °C (lit.)
• format: neat
• SMILES string: CO
• InChI: 1S/CH4O/c1-2/h2H,1H3
• InChI key: OKKJLVBELUTLKV-UHFFFAOYSA-N

Description

Application

• Allelopathic effect of the methanol extract of the weed species-red sorrel (Rumex acetosella L.) on the growth, phytohormone content and antioxidant activity of the cover crop - white clover (Trifolium repens L.).: This study explores the use of methanol extracts from red sorrel to analyze their effects on white clover, revealing significant insights into allelopathic interactions and plant biochemistry (Lee IJ et al., 2024).


• Improvement and prediction of the extraction parameters of lupeol and stigmasterol metabolites of Melia azedarach with response surface methodology.: Focuses on optimizing extraction parameters using methanol, enhancing the yield and purity of important plant metabolites, critical for pharmaceutical applications (Japelaghi RH, 2024).


• Determination of cotinine and 3-hydroxynicotinine in human serum by liquid chromatography-tandem mass spectrometry and its application.: This paper utilizes methanol as a solvent in chromatographic techniques to detect and quantify nicotine metabolites in serum, showcasing its importance in clinical diagnostics (Wu YQ, 2024).

Safety Information

• Pictograms: GHS02,GHS06,GHS08
• Signal Word: Danger
• Hazard Statements: H225,H301 + H311 + H331,H370
• Precautionary Statements: P210 - P233 - P280 - P301 + P310 - P303 + P361 + P353 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1
• Target Organs: Eyes,Central nervous system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 49.5 °F - closed cup
• Flash Point(C): 9.7 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves