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CAS 7732-18-5

:

Wasser

Beschreibung:
Wasser, mit der chemischen Formel H₂O und der CAS-Nummer 7732-18-5, ist eine lebenswichtige und allgegenwärtige Substanz auf der Erde. Es ist ein polares Molekül, das durch seine gebogene Form gekennzeichnet ist, was zu einem signifikanten Dipolmoment führt. Diese Polarität trägt zu seinen hervorragenden Lösungseigenschaften bei, die es ihm ermöglichen, eine breite Palette von ionischen und polaren Substanzen zu lösen. Wasser hat eine hohe spezifische Wärmekapazität, die es ihm ermöglicht, Wärme zu absorbieren und zu speichern, was eine entscheidende Rolle bei der Regulierung der Temperaturen in natürlichen Umgebungen spielt. Es zeigt einzigartige Eigenschaften wie hohe Oberflächenspannung und Kohäsion, die für verschiedene biologische Prozesse unerlässlich sind. Wasser existiert in drei Zuständen: fest (Eis), flüssig und gasförmig (Dampf von Wasser), wobei seine Phasenübergänge unter spezifischen Temperatur- und Druckbedingungen stattfinden. Darüber hinaus hat Wasser eine hohe latente Wärme der Verdampfung, die für Prozesse wie Kühlung und Klimaregulierung wichtig ist. Seine Dichte ist bei 4°C am höchsten, was dazu führt, dass Eis auf flüssigem Wasser schwimmt, eine wesentliche Eigenschaft für aquatische Ökosysteme. Insgesamt ist Wasser grundlegend für das Leben und beeinflusst chemische Reaktionen, biologische Funktionen und Umweltsysteme.
Formel:H2O
InChl:InChI=1S/H2O/h1H2
InChI Key:InChIKey=XLYOFNOQVPJJNP-UHFFFAOYSA-N
SMILES:O
Synonyme:
  • (~3~H_2_)water
  • Agua Destilada, De Conductividad O De Igual Grado De Pureza
  • Aqua
  • Aquafina
  • Craon 17-502
  • DRiWATER
  • De-ionized water
  • Deionized Ultra-filtered Water
  • Deionized Water
  • Dihydrogen oxide
  • Weitere Synonyme anzeigen
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Produkte pro Seite.65 Produkte.
  • Sodium hypochlorite, 11-15% available chlorine

    CAS:
    <p>Fisher Scientific - Sodium hypochlorite aqueous solution, 11-15% available chlorine, Thermo Scientific Chemicals is a reagent that can be used in synthetic oxidations.</p>
    Formel:ClNaO
    Farbe und Form:Clear colorless to yellow or pale yellow-green, Liquid
    Molekulargewicht:74.44

    Ref: 02-L14709

    500ml
    37,00€
  • Potassium chloride, 3M aq. soln.

    CAS:
    <p>For refilling calomel electrodesPotassium chloride, 3M aq. solution is used for volumetric analysis in laboratories. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The ori</p>
    Formel:ClK
    Farbe und Form:Colorless, Liquid
    Molekulargewicht:74.55

    Ref: 02-043398

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    104,00€
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    CAS:
    <p>Hydrochloric acid, 0.01N standardized solution is used for volumetric analysis in laboratories. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
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    Farbe und Form:Liquid, Clear, colorless
    Molekulargewicht:36.46

    Ref: 02-035648

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  • Hydrochloric acid, 0.05N Standardized Solution

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    CAS:
    <p>Hydrochloric acid, 0.05N standardized solution is used for volumetric analysis in laboratories. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
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    Farbe und Form:Clear colorless, Liquid
    Molekulargewicht:36.46

    Ref: 02-035646

    1l
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  • Potassium chloride, 0.007M, Conductivity Standard

    CAS:
    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
    Formel:ClK
    Molekulargewicht:74.55

    Ref: 02-042692

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    53,00€
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  • Hydriodic acid, 57% w/w aqueous solution stabilized with 1.5% hypophosphorus acid

    CAS:
    <p>Fisher Scientific - Hydriodic acid is used in organic and inorganic synthesis as a source of iodine as well as a reducing agent.</p>
    Formel:HI
    Reinheit:1.5%
    Farbe und Form:Clear colorless to yellow to orange to red-brown, Liquid
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  • Hydrochloric acid, 6.0N Standardized Solution

    Kontrolliertes Produkt
    CAS:
    <p>6.0N HClsolution acts as a standard solution in volumetric titrations. In addition, it has industrial applications such as chemical transformations in hydrochlorination of rubber and production of vinyl and alkyl halide. In the semiconductor industry, it is used to etch semiconductor crystal and to purify silicon. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
    Formel:ClH
    Molekulargewicht:36.46

    Ref: 02-044921

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  • Hydrochloric acid, 0.5N Standardized Solution

    Kontrolliertes Produkt
    CAS:
    <p>Hydrochloric acid, 0.5N standardized solution is used for volumetric analysis in laboratories. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar produ</p>
    Formel:ClH
    Molekulargewicht:36.46

    Ref: 02-035642

    1l
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    4l
    90,00€
    20l
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  • Sulfuric acid, 5% v/v aq. soln.

    Kontrolliertes Produkt
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    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formel:H2O4S
    Farbe und Form:Clear colorless, Liquid
    Molekulargewicht:98.07

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    38,00€
  • Sulfuric acid, 15% v/v aq. soln.

    Kontrolliertes Produkt
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    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci</p>
    Formel:H2O4S
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  • Sulfuric acid, 1.0N Standardized Solution

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    <p>Sulfuric acid, 1.0N standardized solution is used for volumetric analysis in laboratories. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
    Formel:H2O4S
    Molekulargewicht:98.07

    Ref: 02-035655

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  • Hydrochloric acid, 0.1N Standardized Solution

    Kontrolliertes Produkt
    CAS:
    <p>Hydrochloric acid, 0.1N standardized solution is used for volumetric analysis in laboratories. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
    Formel:ClH
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    Molekulargewicht:36.46

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  • Hydrochloric acid, 10% v/v aq. soln.

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    <p>Hydrochloric acid is used in chemical synthesis reactions to produce vinyl chloride, fertilizers, dyes, pigments and pharmaceutical ingredients. It is also used in catalyst regeneration, rubber manufacturing, electroplating, semiconductor manufacturing, leather tanning and cotton seed processing. T</p>
    Formel:ClH
    Farbe und Form:Clear colorless, Liquid
    Molekulargewicht:36.46

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  • Hydrobromic acid, ACS, 47.0-49.0%

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    <p>Air Sensitive</p>
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    175,00€
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  • Water for HPLC & Spectroscopy

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    <p>Conductivity mS/cm Max 5<br>Gradient analysis (max eluted peak) A.U. Max 0.002<br>Residue after evaporation ppm Max 5<br>Residue after ignition % Max 0.0003</p>
    Formel:H2O
    Reinheit:Min 99,8 % (GLC)
    Farbe und Form:Clear colorless Liquid
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  • Lactic acid, 1.0N Standardized Solution

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    <p>This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
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  • Sulfuric acid, 0.02N Standardized Solution

    Kontrolliertes Produkt
    CAS:
    <p>Sulfuric acid, 0.02N standardized solution is used for volumetric analysis in laboratories. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
    Formel:H2O4S
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  • Sulfuric acid, 0.1N Standardized Solution

    Kontrolliertes Produkt
    CAS:
    <p>Sulfuric acid, 0.1N standardized solution is used for volumetric analysis in laboratories. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
    Formel:H2O4S
    Farbe und Form:Liquid
    Molekulargewicht:98.07

    Ref: 02-035651

    1l
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    20l
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  • Hydrochloric acid, 1.0N Standardized Solution

    Kontrolliertes Produkt
    CAS:
    <p>Hydrochloric acid, 1.0N standardized solution is used for volumetric analysis in laboratories. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.</p>
    Formel:ClH
    Farbe und Form:Colorless to yellow, Liquid
    Molekulargewicht:36.46

    Ref: 02-035640

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  • Hydrobromic acid, 99.9999% (metals basis), 48% w/w aq. soln.

    CAS:
    <p>Air Sensitive</p>
    Formel:BrH
    Reinheit:99.9999%
    Farbe und Form:Colorless to yellow, Liquid
    Molekulargewicht:80.91

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