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Supelco

Methanolic HCl

0.5 M HCl in methanol (0.5N), for GC derivatization, ampule of 10 × 5 mL

Sinonimo/i:

Hydrogen chloride, Hydrochloric acid solution

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About This Item

Formula empirica (notazione di Hill):
HCl
Numero CAS:
Peso molecolare:
36.46
Codice UNSPSC:
41116105
ID PubChem:

Grado

for GC derivatization

Impiego in reazioni chimiche

reagent type: derivatization reagent
reaction type: Esterifications

Confezionamento

ampule of 10 × 5 mL

Concentrazione

0.5 M HCl in methanol (0.5N)

tecniche

GC/GC: suitable

Temperatura di conservazione

2-8°C

InChI

1S/ClH/h1H
VEXZGXHMUGYJMC-UHFFFAOYSA-N

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Descrizione generale

Methanolic HCl (hydrochloric acid in methanol) is particularly useful for preparing methyl esters of volatile (short chain) fatty acids. Fatty acids are esterified by heating them with an anhydrous alcohol (e.g., methanol) in the presence of an acidic catalyst (e.g., HCl) in a sealed vessel at a high temperature for a short time. In the reaction, a fatty acid molecule and an alcohol molecule are joined, with the release of a water molecule. The derivatives can be quickly and easily recovered, quantitatively, from the reaction medium.

Caratteristiche e vantaggi

  • Derivatization of fatty acids, particularly volatile (short chain) fatty acids.

  • Clean reaction (no side reaction) with volatile by-products.

  • Provides clean, fast, quantitative derivatization.

Prodotti correlati

N° Catalogo
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Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

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

Organi bersaglio

Eyes,Central nervous system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

51.8 °F - closed cup

Punto d’infiammabilità (°C)

11 °C - closed cup


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X Qiu et al.
The Journal of biological chemistry, 276(34), 31561-31566 (2001-06-09)
The existence of Delta 4 fatty acid desaturation in the biosynthesis of docosahexanoic acid (DHA) has been questioned over the years. In this report we describe the identification from Thraustochytrium sp. of two cDNAs, Fad4 and Fad5, coding for Delta
Practical Gas Chromatography: A Comprehensive Reference.
Wilder KD and Engewald W.
Science, 613-614 (2014)
Mitochondrial Function, Part B: Mitochondrial Protein Kinases, Protein Phosphatases and Mitochondrial Diseases.
William SA and Murphy AN.
Science, 88-89 (2009)
[Fluid and electrolyte movements through the gastrointestinal membranes: hydrochloric acid formation and intestinal water transport].
D P Mertz
Klinische Wochenschrift, 45(2), 57-68 (1967-01-15)
Vanessa Zambelli et al.
Anesthesia and analgesia, 120(2), 381-388 (2014-12-17)
Because pulmonary endogenous surfactant is altered during acute respiratory distress syndrome, surfactant replacement may improve clinical outcomes. However, trials of surfactant use have had mixed results. We designed this animal model of unilateral (right) lung injury to explore the effect

Questions

  1. How to remove HCL from Methanolic HCL

    1 answer
    1. The process of removing methanol from HCl can involve using a distillation column to evaporate the methanol in the solution.

      It also may be helpful to view this patent below:
      https://patents.google.com/patent/NL8602392A/en

      Helpful?

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