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320331

Sigma-Aldrich

Ácido clorhídrico

Hydrochloric acid

37%, ACS reagent

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About This Item

Fórmula empírica (notación de Hill):
HCl
Número de CAS:
7647-01-0
Peso molecular:
36.46
Beilstein/REAXYS Number:
1098214
EC Number:
231-595-7
MDL number:
MFCD00011324
UNSPSC Code:
12352301
PubChem Substance ID:
329753973
NACRES:
NA.21
En este momento no podemos mostrarle ni los precios ni la disponibilidad

Nombre del producto

Ácido clorhídrico, ACS reagent, 37%

grade

ACS reagent

Quality Level

200

agency

suitable for GB 5009.253-2016
suitable for SM 5210

vapor density

1.3 (vs air)

vapor pressure

3.23 psi ( 21.1 °C)
7.93 psi ( 37.7 °C)

assay

36.5-38.0% (ACS specification)
37%

form

liquid

impurities

≤1 ppm free chlorine

ign. residue

≤5 ppm

color

APHA: ≤10, free from suspended matter or sediment

bp

>100 °C (lit.)

density

1.070 g/cm3 at 20 °C (lit.)

anion traces

bromide (Br-): ≤0.005%
sulfate (SO42-): ≤1 ppm
sulfite (SO32-): ≤1 ppm

cation traces

As: ≤0.01 ppm
Fe: ≤0.2 ppm
NH4+: ≤3 ppm
heavy metals: ≤1 ppm (by ICP)

SMILES string

Cl

InChI

1S/ClH/h1H

InChI key

VEXZGXHMUGYJMC-UHFFFAOYSA-N

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General description

El ácido clorhídrico (grado de reactivo) es adecuado para aplicaciones generales de laboratorio y pruebas con controles de baja especificación.
Las aplicaciones son:      
  • Uso general del laboratorio      
  • Síntesis química general      
  • Purificación
  • Limpieza

Application


  • Desbloqueo de la adsorción de alto rendimiento de HCl a temperaturas elevadas: en esta investigación se demuestra el uso de una disolución de ácido clorhídrico para sintetizar óxidos mixtos de Ca-Mg-Al robustos. Estos materiales son cruciales en aplicaciones medioambientales para la adsorción de gases ácidos, demostrando el papel del ácido clorhídrico en el desarrollo de soluciones para combatir la contaminación atmosférica (Cao et al., 2024).

  • Inhibición sostenible y verde de la corrosión del acero dulce: el ácido clorhídrico se utiliza aquí para probar nuevos inhibidores ecológicos de la corrosión. Esto es vital en industrias donde es crucial mantener la integridad del material frente a ataques químicos, destacando el papel del ácido clorhídrico en aplicaciones innovadoras de la ciencia de los materiales (Rizi et al., 2023).

  • Síntesis de nanovarillas de óxido de zinc a partir del precursor borato de zinc: en este estudio se utiliza ácido clorhídrico en la síntesis de nanovarillas de óxido de zinc, importante para aplicaciones de supercondensadores. Subraya el papel crucial del ácido clorhídrico en la investigación sobre nanomateriales, ampliando los límites de la tecnología de almacenamiento de energía (Lefdhil et al., 2023).

  • Un procedimiento mejorado de digestión y análisis del silicio en el tejido vegetal: el ácido clorhídrico se emplea para digerir tejidos vegetales y analizar el contenido de silicio, mejorando las metodologías de investigación agrícola y biológica. Esta aplicación refleja la importancia del ácido clorhídrico en estudios científicos que requieren un procesamiento químico preciso (Langenfeld y Bugbee, 2023).

  • Ciclación intramolecular formando enlaces N-N(+) de O-tosiloxi β-aminopropioamidoximas y reacción de intercambio iónico: en esta investigación, el ácido clorhídrico desempeña un papel clave en la síntesis orgánica, demostrando su versatilidad en el desarrollo de compuestos farmacéuticos. El estudio proporciona información sobre la síntesis de compuestos orgánicos complejos, que son vitales en la química medicinal (Kayukova et al., 2023).

Packaging

Se necesita un abrelatas para para abrir el contenedor metálico de envío de las unidades individuales de 2,5 l.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCW0143
MKCW4492
MKCW7848
MKCW3226
MKCV3839

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Questions

1–8 of 8 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  3. How can the outer metal shipping container be safely removed to access the 2.5L container of Hydrochloric acid inside?

    1 answer

    1. The packaging used for the Hydrochloric acid is described as an "8" CS OVERPACK CAN (802), SEAMED." There are two types of overpack cans: one resembling a paint can and the other resembling a large can of corn. For the paint can-style, a flat-bladed screwdriver can be used to pry off the lid, while the can of corn-style may require a can opener. Inside the can, there should be packaging material such as a side panel and absorbent sheet. The bottle itself is a PVC-coated glass bottle designed to prevent shattering if it is accidentally dropped.

      Helpful?

  4. what is the mercury level in the 320331 HCl ?

    1 answer

    1. This product is not tested specifically for mercury. The heavy metals specification for this product is </= 1 ppm. The arsenic specification is </= 0.01 ppm and that of iron is </= 0.2 ppm. Please see the link below for a sample certificate of analysis: https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/320331-6X2.5L-PWMKCR9609.pdf

      Helpful?

  5. Is the concentration for Product 320331, Hydrochloric acid, given as w/w or w/v?

    1 answer

    1. The American Chemical Society specifies the concentration reported on a weight/weight basis.

      Helpful?

  6. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

      Helpful?

  7. What does ACS stand for?

    1 answer

    1. ACS is the abbreviation for American Chemical Society. ACS grade reagents conform to specifications published by the American Chemical Society, and are suitable for use in analytical procedures.

      Helpful?

  8. What is the concentration of Product 320331, Hydrochloric acid?

    1 answer

    1. The specification range for concentration of 36.5 - 38.0% corresponds to a concentration range of 12.0 - 12.5 M.

      Helpful?

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