
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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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 :C4H4O3Degré de pureté :99%Couleur et forme :Powder or crystals or crystalline powder or flakes and/or chips, WhiteMasse moléculaire :100.07Trichloroacetic 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 :C2HCl3O2Degré de pureté :99%Couleur et forme :White to pale yellow, Crystalline powder or solidMasse moléculaire :163.38Ethylamine (30-40% in Ethanol)
CAS :Formule :C2H7NCouleur et forme :Colorless to Light yellow clear liquidMasse moléculaire :45.09Primulaverin
CAS :Natural glycosideFormule :C20H28O13Degré de pureté :≥ 98.0 % (HPLC)Couleur et forme :PowderMasse moléculaire :476.44Thiodiglycolic 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 :C4H6O4SDegré de pureté :98%Couleur et forme :White to pale cream, Crystals or powder or crystalline powderMasse moléculaire :150.15Trifluoroacetic 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 :C2HF3O2Degré de pureté :99%Couleur et forme :Clear colorless to pale yellow or pale pink, Fuming liquidMasse moléculaire :114.02Ammonia Solution (28% in Water)
CAS :Formule :NH3Couleur et forme :Colorless clear liquidMasse moléculaire :17.03Lithium diisopropylamide, 2M solution in THF/n-Heptane
CAS :Formule :(CH3)2CHNLiCouleur et forme :Yellow-orange, or brown to red solutionMasse moléculaire :107.12Acetic acid, 2-hydroxy-
CAS :Formule :C2H4O3Degré de pureté :97%Couleur et forme :SolidMasse moléculaire :76.0514Ammonium 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 :H5NOCouleur et forme :Liquid, ColorlessMasse moléculaire :35.05(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 :C8H8O3Degré de pureté :99+%Couleur et forme :White, Crystalline powderMasse moléculaire :152.15Vanillic acid 4-β-d-glucoside
CAS :Natural glycosideFormule :C14H18O9Degré de pureté :≥ 98.0 % (HPLC)Couleur et forme :PowderMasse moléculaire :330.29Cacodylic 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 :C2H6AsNaO2Degré de pureté :98%Couleur et forme :White, Crystalline powder or crystalsMasse moléculaire :159.982,6-Lutidine
CAS :Formule :C7H9NDegré de pureté :≥ 98.0%Couleur et forme :Colourless to light-yellow liquidMasse moléculaire :107.16Butanedioic acid, 2-bromo-, (2S)-
CAS :Formule :C4H5BrO4Degré de pureté :96%Couleur et forme :SolidMasse moléculaire :196.9841Chlorodifluoroacetic acid
CAS :Formule :C2HClF2O2Degré de pureté :98%Couleur et forme :SolidMasse moléculaire :130.4779Ethylmagnesium Bromide (39% in Ethyl Ether, ca. 3mol/L)
CAS :Formule :C2H5BrMgCouleur et forme :LiquidMasse moléculaire :133.27Pentadecanedioic acid
CAS :Formule :C15H28O4Degré de pureté :>98%Couleur et forme :SolidMasse moléculaire :272.38