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Acides et bases organiques

Acides et bases organiques

Des acides et des bases de qualité exceptionnelle pour une utilisation générale en laboratoire sont disponibles dans un assortiment d'emballages pratiques. Ces composés sont des réactifs fondamentaux dans diverses réactions chimiques et procédures analytiques. Les acides et bases organiques sont utilisés dans les titrations, les solutions tampons et comme catalyseurs en chimie de synthèse. Chez CymitQuimica, nous offrons une large sélection d'acides et de bases organiques de haute qualité pour répondre aux exigences de vos applications en laboratoire.

Produits appartenant à la catégorie "Acides et bases organiques"

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produits par page.1067 produits dans cette catégorie.
  • Succinic anhydride, 99%

    CAS :
    Succinic anhydride is used as a sizing agent and curative for epoxy resin. It acts as an additive in paper production. It is utilized in the preparation of covalently cross-linked oxidized-alginate and N-succinyl-chitosan hydrogels. It serves as an intermediate for functionalized oxide surfaces on a chip and for polyester resins. Further, it finds use in cosmetics, pharmaceuticals and in coatings. 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.
    Formule :C4H4O3
    Degré de pureté :99%
    Couleur et forme :Powder or crystals or crystalline powder or flakes and/or chips, White
    Masse moléculaire :100.07

    Ref: 02-A12245

    1kg
    155,00€
    5kg
    541,00€
    250g
    57,00€
    500g
    93,00€
  • Trichloroacetic acid, 99%

    CAS :
    Protein precipitation reagent Trichloroacetic acid is used as a precipitating agent in biochemistry for precipitation of proteins, DNA and RNA. It is an active ingredient used for cosmetic treatments like chemical peels, tattoo removal and the treatment of warts including genital warts. It is also used to determine protein concentration and a decalcifier and fixative in microscopy. 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.
    Formule :C2HCl3O2
    Degré de pureté :99%
    Couleur et forme :White to pale yellow, Crystalline powder or solid
    Masse moléculaire :163.38

    Ref: 02-A11156

    1kg
    132,00€
    5kg
    457,00€
    250g
    52,00€
    500g
    80,00€
  • Ethylamine (30-40% in Ethanol)

    CAS :
    Formule :C2H7N
    Couleur et forme :Colorless to Light yellow clear liquid
    Masse moléculaire :45.09

    Ref: 3B-E0817

    100ml
    80,00€
  • Primulaverin

    CAS :
    Natural glycoside
    Formule :C20H28O13
    Degré de pureté :≥ 98.0 % (HPLC)
    Couleur et forme :Powder
    Masse moléculaire :476.44

    Ref: 5G-89763

    10mg
    342,00€
    50mg
    1.393,00€
    250mg
    6.575,00€
    500mg
    12.376,00€
    1000mg
    23.204,00€
  • Thiodiglycolic acid, 98%

    CAS :
    It finds it applications in the production of [1,4]oxathiane-2,6-dione by heating. It is employed as an anti-oxidant and reducing agent in cosmetics industry. 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.
    Formule :C4H6O4S
    Degré de pureté :98%
    Couleur et forme :White to pale cream, Crystals or powder or crystalline powder
    Masse moléculaire :150.15

    Ref: 02-A17880

    25g
    À demander
    100g
    40,00€
    500g
    À demander
  • Trifluoroacetic acid, 99%

    CAS :
    The combination of properties like solubility in most of the solvents, volatility, catalytic property, and strong acidity with non-oxidizing nature makes it a widely used reagent in organic synthesis. Trifluoroacetic acid is an important building block in the synthesis of pharmaceuticals, agrochemicals and performance products. It is a precursor to many fluorinated compounds, and widely used in peptide synthesis and other organic transformations involving deprotection of t-BOC group. TFA finds use as an ion pairing agent in liquid chromatography, as a solvent in NMR spectroscopy and as a calibrant in mass spectrometry. 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.
    Formule :C2HF3O2
    Degré de pureté :99%
    Couleur et forme :Clear colorless to pale yellow or pale pink, Fuming liquid
    Masse moléculaire :114.02

    Ref: 02-L06374

    25ml
    36,00€
    100ml
    75,00€
    500ml
    260,00€
  • Ammonia Solution (28% in Water)

    CAS :
    Formule :NH3
    Couleur et forme :Colorless clear liquid
    Masse moléculaire :17.03

    Ref: 3B-A2038

    500ml
    36,00€
  • Lithium diisopropylamide, 2M solution in THF/n-Heptane

    CAS :
    Formule :(CH3)2CHNLi
    Couleur et forme :Yellow-orange, or brown to red solution
    Masse moléculaire :107.12

    Ref: 7W-GK2174

    ne
    À demander
  • Acetic acid, 2-hydroxy-

    CAS :
    Formule :C2H4O3
    Degré de pureté :97%
    Couleur et forme :Solid
    Masse moléculaire :76.0514

    Ref: IN-DA002R9I

    25g
    26,00€
    100g
    30,00€
    200g
    37,00€
    300g
    50,00€
    500g
    50,00€
  • Acetic acid, 5% in water

    CAS :
    Formule :CH3CO2H
    Masse moléculaire :60.05

    Ref: 7W-GE7702

    ne
    À demander
  • Lactic acid, 40% solution

    CAS :
    Formule :C3H6O3
    Masse moléculaire :90.08

    Ref: 7W-GC2172

    1l
    141,00€
    250ml
    50,00€
  • Ammonium hydroxide, ACS, 28.0-30.0% NH{3}

    CAS :
    Ammonium hydroxide is widely utilized as a leavening agent or acidity regulator in food production. It serves as a precursor to some alkyl amines and is also used in the tobacco industry for flavor enhancement and as a processing aid. During furniture making, it combines with tannic acid and is used to darken or stain wood by making it iron salts. In chemical laboratories, it used for qualitative inorganic analysis, as a complexant and as a base. It is used to clean gold, silve, and platinum jewelry. It is an active component of Tollens' reagent (consisting of a solution of silver nitrate and ammonia) and is used to determine the presence of aldehyde or alpha-hydroxy ketone functional groups. 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.
    Formule :H5NO
    Couleur et forme :Liquid, Colorless
    Masse moléculaire :35.05

    Ref: 02-033285

    1kg
    60,00€
    250g
    42,00€
    5x1kg
    219,00€
  • (R)-(-)-Mandelic acid, ChiPros 99+%, ee 99+%

    CAS :
    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.
    Formule :C8H8O3
    Degré de pureté :99+%
    Couleur et forme :White, Crystalline powder
    Masse moléculaire :152.15

    Ref: 02-L19116

    5g
    À demander
    25g
    À demander
  • Vanillic acid 4-β-d-glucoside

    CAS :
    Natural glycoside
    Formule :C14H18O9
    Degré de pureté :≥ 98.0 % (HPLC)
    Couleur et forme :Powder
    Masse moléculaire :330.29

    Ref: 5G-89856

    10mg
    502,00€
    50mg
    2.180,00€
    250mg
    10.294,00€
    500mg
    19.377,00€
    1000mg
    36.331,00€
  • Cacodylic acid, sodium salt trihydrate, 98%, pure

    CAS :
    This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Formule :C2H6AsNaO2
    Degré de pureté :98%
    Couleur et forme :White, Crystalline powder or crystals
    Masse moléculaire :159.98
  • 2,6-Lutidine

    CAS :
    Formule :C7H9N
    Degré de pureté :≥ 98.0%
    Couleur et forme :Colourless to light-yellow liquid
    Masse moléculaire :107.16

    Ref: 7W-GK3868

    500ml
    78,00€
  • Butanedioic acid, 2-bromo-, (2S)-

    CAS :
    Formule :C4H5BrO4
    Degré de pureté :96%
    Couleur et forme :Solid
    Masse moléculaire :196.9841

    Ref: IN-DA002JSK

    1g
    112,00€
    5g
    317,00€
    10g
    512,00€
    25g
    À demander
  • Chlorodifluoroacetic acid

    CAS :
    Formule :C2HClF2O2
    Degré de pureté :98%
    Couleur et forme :Solid
    Masse moléculaire :130.4779

    Ref: IN-DA003OTI

    5g
    21,00€
    10g
    29,00€
    25g
    39,00€
    100g
    84,00€
    500g
    213,00€
  • Ethylmagnesium Bromide (39% in Ethyl Ether, ca. 3mol/L)

    CAS :
    Formule :C2H5BrMg
    Couleur et forme :Liquid
    Masse moléculaire :133.27

    Ref: 3B-E0134

    250g
    108,00€
  • Pentadecanedioic acid

    CAS :
    Formule :C15H28O4
    Degré de pureté :>98%
    Couleur et forme :Solid
    Masse moléculaire :272.38

    Ref: 48-15-1500

    1g
    433,00€
    100mg
    150,00€