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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.
  • 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
    Farbe und Form:Liquid
    Molekulargewicht:98.07

    Ref: 02-035649

    1l
    38,00€
    20l
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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
    Nachfragen
    4l
    90,00€
    20l
    170,00€
  • Lactic acid, 1.0N Standardized Solution

    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:C3H6O3
    Farbe und Form:Liquid
    Molekulargewicht:90.08

    Ref: 02-035628

    500ml
    104,00€
  • Hydrochloric acid, 0.05N Standardized Solution

    Kontrolliertes Produkt
    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>
    Formel:ClH
    Farbe und Form:Clear colorless, Liquid
    Molekulargewicht:36.46

    Ref: 02-035646

    1l
    41,00€
    20l
    Nachfragen
  • 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

    1l
    53,00€
    4l
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    500ml
    40,00€
  • 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

    1l
    58,00€
    20l
    Nachfragen
  • Hydrobromic acid, ACS, 47.0-49.0%

    CAS:
    <p>Air Sensitive</p>
    Formel:BrH
    Molekulargewicht:80.91

    Ref: 02-036694

    1l
    175,00€
    4x1l
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    250ml
    69,00€
  • 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
    Molekulargewicht:127.91

    Ref: 02-L10410

    100g
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  • Hydrochloric acid, 0.01N Standardized Solution

    Kontrolliertes Produkt
    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>
    Formel:ClH
    Farbe und Form:Liquid, Clear, colorless
    Molekulargewicht:36.46

    Ref: 02-035648

    1l
    37,00€
    20l
    156,00€
  • 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

    1l
    104,00€
    250ml
    47,00€
  • 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

    Ref: 02-010991

    5ml
    37,00€
    100ml
    175,00€
    500ml
    Nachfragen
  • Sodium nitrite, 0.1M Standardized Solution

    CAS:
    <p>Sodium nitrite, 0.1M 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:NNaO2
    Farbe und Form:Colorless, Liquid
    Molekulargewicht:69.00

    Ref: 02-043015

    500ml
    93,00€
  • Sulfuric acid, 0.5N Standardized Solution

    Kontrolliertes Produkt
    CAS:
    <p>Sulfuric 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 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:Clear colorless, Liquid
    Molekulargewicht:98.07

    Ref: 02-035653

    1l
    41,00€
    20l
    Nachfragen
  • Hydrochloric acid, 5.0N Standardized Solution

    Kontrolliertes Produkt
    CAS:
    <p>Hydrochloric acid, 5.0N 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
    Molekulargewicht:36.46

    Ref: 02-035638

    1l
    47,00€
    4l
    Nachfragen
    20l
    Nachfragen
  • Starch indicator solution 1%, Acculute Standard Volumetric Solution, Final Volume 1L

    CAS:
    <p>Starch indicator 1% solution is used as an indicator for redox titrations. It is also used in the detection of end point in iodometric titration.This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer </p>
    Formel:C12H22O11
    Farbe und Form:Liquid
    Molekulargewicht:342.30

    Ref: 02-088632

    1U
    114,00€
    6U
    Nachfragen
  • Water, 99.999% (PURATREM), 98-0295, contained in 50 ml Swagelok® cylinder (96-1070) for CVD/ALD

    CAS:
    <p>Water, 99.999% (PURATREM), 98-0295, contained in 50 ml Swagelok® cylinder (96-1070) for CVD/ALD</p>
    Formel:H2O
    Reinheit:99.999%
    Farbe und Form:Colorless liq.
    Molekulargewicht:18.015

    Ref: 08-98-8000

    25g
    1.033,00€
  • Interferon β-1a oxidised peptide

    CAS:
    Interferon beta-1a oxidised peptide
    Farbe und Form:Off-White

    Ref: 47-1223

    20mg
    211,00€
  • Bac Water

    CAS:
    Formel:H2O
    Farbe und Form:Solid
    Molekulargewicht:18.0153

    Ref: IN-DA008N9T

    25g
    24,00€
    100g
    28,00€
    500g
    28,00€
  • Water, distilled, GlenBiol™, suitable for molecular biology

    CAS:
    Formel:H2O
    Farbe und Form:Clear, colourless liquid
    Molekulargewicht:18.02

    Ref: 7W-GK8512

    1l
    75,00€