322415

Methanol

anhydrous, 99.8%

• 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
• PubChem Substance ID: 57648672

Properties

• grade: anhydrous
• Quality Level: 200
• vapor density: 1.11 (vs air)
• vapor pressure: 410 mmHg ( 50 °C); 97.68 mmHg ( 20 °C)
• Assay: 99.8%
• form: liquid
• autoignition temp.: 725 °F
• expl. lim.: 36 %
• technique(s): tissue processing: suitable
• impurities: <0.002% water; <0.005% water (100 mL pkg)
• evapn. residue: <0.0003%
• 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

General description

Methanol is an industrial organic solvent commonly used in organic synthesis. It is being considered as a potential hydrogen source in fuel cell technology due to its high H/C ratio, low propensity for soot generation, relatively low reforming temperature and its liquid state at room temperature. The olefins (ethylene or propylene) formed from methanol via MTO (methanol-to-olefins) process, can be an alternative to oil and gas to produce hydrocarbon fuels.

Application

Methanol has been used for fixing the tissues during preparation of thin giemsa stained blood smears. It has been used in the purification step during the synthesis of pyocyanin, a toxic compound found in Pseudomonas aeruginosa.

Methanol has been used in following applications:

• Used for the synthesis and purification of pyocyanin, spectrophotometric estimation of pyocyanin concentration, and the calculation of pyocyanin molar concentration using spectrophotometer absorption data.
• Used as a component of staining solution used in karyotyping.
• Used as a component of staining solution to stain cell colonies in colony formation assay.

Packaging

View returnable container options.

Other Notes

Pure-Pac^® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

Legal Information

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

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
• 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