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439193

Sigma-Aldrich

Méthanol

≥99.9%, gradient grade, suitable for HPLC, suitable for EPA 1613

Synonyme(s) :

Alcool méthylique

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About This Item

Formule linéaire :
CH3OH
Numéro CAS:
Poids moléculaire :
32.04
Numéro Beilstein :
1098229
Numéro CE :
Numéro MDL:
Code UNSPSC :
12190000
ID de substance PubChem :
Nomenclature NACRES :
NA.05

product name

Méthanol, suitable for HPLC, gradient grade, suitable as ACS-grade LC reagent, ≥99.9%

Qualité

gradient grade

Niveau de qualité

Agence

suitable for EPA 1613

Densité de vapeur

1.11 (vs air)

Pression de vapeur

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

Pureté

≥99.9%

Forme

liquid

Température d'inflammation spontanée

725 °F

Limite d'explosivité

36 %

Technique(s)

HPLC: suitable

Impuretés

H2SO4, passes test (darkened)
≤0.0002 meq/g Titr. base
≤0.0003 meq/g Titr. acid
≤0.001% acetaldehyde
≤0.001% acetone
≤0.001% formaldehyde
≤0.03% water

Résidus d'évap.

≤0.0003%

Couleur

APHA: ≤10
clear

Indice de réfraction

n20/D 1.329 (lit.)

Point d'ébullition

64.7 °C (lit.)

Pf

−98 °C (lit.)

Densité

0.791 g/mL at 25 °C (lit.)

Gradient HPLC

≤5 mAU at 254 nm

λ

H2O reference

Absorption UV

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

Adéquation

passes test for HPLC

Application(s)

food and beverages

Format

neat

Chaîne SMILES 

CO

InChI

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

Clé InChI

OKKJLVBELUTLKV-UHFFFAOYSA-N

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Description générale

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. 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.

Application

High-purity, multipurpose solvent, tested for suitability in:
  • HPLC with gradient analysis
  • Spectrophotometry
  • Residual testing
  • LC-MS applications

Used as a solvent/reagent to determine total phenols content, anti-DPPH activity and the content of antioxidants in honeybee drone blood homogenate (DBH) samples.
Meets ACS specifications.

Conditionnement

Notes préparatoires

Product filtered through a 0.2 μm filter

Pictogrammes

FlameSkull and crossbonesHealth hazard

Mention d'avertissement

Danger

Classification des risques

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

Organes cibles

Eyes,Central nervous system

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

49.5 °F - closed cup

Point d'éclair (°C)

9.7 °C - closed cup


Certificats d'analyse (COA)

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Les clients ont également consulté

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Asian Pacific journal of cancer prevention : APJCP, 12(6), 1399-1403 (2011-12-01)
Early diagnosis and prevention is very important for lung cancer patients. Previous studies have emphasized that the level of coenzyme Q10 (CoQ10), present primarily in mitochondria, decreases with age and is low in patients with chronic diseases. Our goal was
R A Cunha et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 18(6), 1987-1995 (1998-05-15)
ATP analogs substituted in the gamma-phosphorus (ATPgammaS, beta, gamma-imido-ATP, and beta,gamma-methylene-ATP) were used to probe the involvement of P2 receptors in the modulation of synaptic transmission in the hippocampus, because their extracellular catabolism was virtually not detected in CA1 slices.
Nomaan M Rezayee et al.
Journal of the American Chemical Society, 137(3), 1028-1031 (2015-01-17)
This Communication describes the hydrogenation of carbon dioxide to methanol via tandem catalysis with dimethylamine and a homogeneous ruthenium complex. Unlike previous examples with homogeneous catalysts, this CO2-to-CH3OH process proceeds under basic reaction conditions. The dimethylamine is proposed to play
Methanol.
R Von Burg
Journal of applied toxicology : JAT, 14(4), 309-313 (1994-07-01)

Contenu apparenté

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

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