Methanol 99.8%+, ACS Grade Reagent, 2.5 Liter, case/4

$475.71

Part Number: MIL-179337-4X25L
Lead Time: 2-4 weeks
Quantity: 4
Size: 2.5 liter
Style: chemical
Description

Methanol ≥99.8% ACS Reagent, 2.5 Liter, Case/4

Synonym: Methyl alcohol

  • CAS Number 67-56-1
  • Linear Formula CH3OH
  • Molecular Weight 32.04
  • Beilstein/REAXYS Number 1098229
  • EC Number 200-659-6
  • MDL number MFCD00004595
  • eCl@ss 39020101
  • PubChem Substance ID 329751589
Grade ACS reagent
Vapor Density 1.11 (vs air)
Vapor Pressure 410 mmHg (50°C)

97.68 mmHg (20°C)

Assay ≥99.8%
Autoignition Temperature 725°F
Expl. Lim. 36 %
Impurities H2SO4, passes test (darkened)

MnO4- reducers, passes test

≤0.0002 meq/g Titr. base

≤0.0003 meq/g Titr. acid

≤0.001% acetaldehyde

≤0.001% acetone

≤0.001% formaldehyde

≤0.1% water

Evaporation Residue ≤0.001%
Color APHA: ≤10

clear

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.)

General description

Methanol is an organic solvent that can be synthesized from syngas in the presence of CuO/ZnO/Al2O3 catalysts. It is an ideal candidate as a hydrogen source in fuel cell technology due to its high H/C ratio, low propensity for soot generation, relatively low reforming temperature and as it exists in liquid state at room temperature.[6][7] In a direct methanol fuel cell (DMFC), methanol undergoes oxidation with air to generate electricity. 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.

Methanol undergoes thermochemical conversion to C2-C10 hydrocarbons in the presence of shape-selective zeolites has been reported. Its oxidation on Ru-Pt catalyst system by ruthenium ad-atoms has been proposed.

Application

Methanol has been used as a solvent for the sodium dodecyl sulfate-polyacrylamide gel electrophoretic (SDS-PAGE) analysis of alkaline protease isoforms isolated from larva of the spotted sand bass (Paralabrax maculatofasciatus).[3] It has been used in the isolation and quantitative determination of carotenes and xanthophylls from Capsicum annum pericarp extracts by HPLC.

Safety Information

Signal word Danger
Hazard statements H225-H301 + H311 + H331-H370
Precautionary statements P210-P280-P302 + P352 + P312-P304 + P340 + P312-P370 + P378-P403 + P235
RIDADR UN1230 – class 3 – PG 2 – Methanol
WGK Germany 2
RTECS PC1400000
Flash Point(F) 48.2°F
Flash Point(C) 9°C

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