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494437

Sigma-Aldrich

Methanol

BioReagent, ≥99.93%

Synonym(s):
Methyl alcohol
Linear Formula:
CH3OH
CAS Number:
Molecular Weight:
32.04
Beilstein:
1098229
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.05

vapor density

1.11 (vs air)

Quality Level

vapor pressure

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

description

gradient analysis <= 0.005 254nm

product line

BioReagent

assay

≥99.93%

form

liquid

autoignition temp.

725 °F

expl. lim.

36 %

impurities

≤0.0002 meq/g Titr. base
≤0.0003 meq/g Titr. acid
≤0.02% (water)

evapn. residue

<0.0003%

color

APHA: <10

refractive index

n20/D 1.329 (lit.)

bp

64.7 °C (lit.)

mp

−98 °C (lit.)

solubility

benzene: miscible(lit.)
ethanol: miscible(lit.)
water: miscible(lit.)

density

0.791 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 203 nm Amax: 1.0
λ: 210 nm Amax: 0.60
λ: 220 nm Amax: 0.30
λ: 230 nm Amax: 0.15
λ: 240 nm Amax: 0.05
λ: 260-400 nm Amax: 0.01

SMILES string

CO

InChI

1S/CH4O/c1-2/h2H,1H3

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

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General description

Methanol (MeOH) is an organic solvent with a wide range of industrial applications. It is the main component of lithium batteries. It can be prepared by hydrogenation of CO2 under various conditions. Shape-selective zeolite-assisted transformation of methanol to C2-C10 hydrocarbons has been studied. MeOH is a toxic alcohol employed for denaturing ethyl alcohol. A study reports the preparation of biodiesel from canola oil using methanol under supercritical conditions. Low water content, minimal residue and clean UV spectra are the special characteristics of this solvent. It can be utilized for biotechnological processes like protein sequencing, peptide and oligonucleotide synthesis.

Application

Methanol has been used to fix resolved protein bands on sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) gel.

Packaging

1, 2 L in Sure/Seal™

Preparation Note

Product filtered through a 0.2 μm filter

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

Target Organs

Eyes

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

Certificate of Analysis

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Certificate of Origin

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