acid base indicators
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CAS 573-58-0 Rouge Congo en poudre Indicateur d'adsorption acide-base
Chemical Reagents Congo Red CAS 573-58-0 Acid-base indicators Adsorption Indicators Biological Stains Introduction: Brown-red powder, easily soluble in hot water, soluble in 10 parts of cold water, the solution is yellow-red. Uses: 1. Mainly used for dyeing textiles and paper products such as cotton, linen, silk, etc. 2. Used as an indicator. Commonly used indicator in laboratories. It is also a kind of carcinogenic disperse dye, used for standard product detection. 3. Used
Acide base Bromothymol bleu indicateur Produits chimiques biologiques CAS 76-59-5 Colorants
Acid-Base Indicators Biological Chemicals Bromothymol Blue CAS 76-59-5 Dyes Introduction: Bromothymol blue is an acid-base indicator with a color change range of pH 6.0 (yellow) to 7.6 (blue). Ordinary water is neutral, with a pH of about 7, which is almost light green. Bromothymol blue is a colorless or light rose crystalline powder, which is easily soluble in alcohol, dilute alkaline solution and ammonia water, and slightly soluble in water. It turns yellow in acidic
Réactifs chimiques Vert basique 4 CAS 569-64-2 Indicateurs d'adsorption acide-base
Chemical Reagents Basic Green 4 CAS 569-64-2 Acid-base indicators Adsorption Indicators Biological Stains Introduction: Green glittering crystals, dissolving in cold and hot water to form a blue-green color Uses: 1. Used as a biological dye. Used for dyeing acrylic fibers, silk, wool, dianhydride fibers, tannin mordant cotton fibers and manufacturing lakes and solvent dyes. 2. Widely used for coloring building materials, paints, plastics, etc. 3. Used in glass products and
Cristal blanc O-crésolphtaléine CAS 596-27-0 Indicateurs acide-base
White Crystal O-Cresolphthalein CAS 596-27-0 Acid-Base Indicators Overview of White Crystal O-Cresolphthalein CAS 596-27-0 Acid-Base Indicators White or reddish yellow crystalline powder. Melting point 223℃, soluble in ethanol, ethe, glacial acetic acid, soluble in dilute alkali to purple, slightly soluble in water, hardly soluble in benzene. Product Parameters of White Crystal O-Cresolphthalein CAS 596-27-0 Acid-Base Indicators Item Value Product Name o-Cresolphthalein CAS
C14H14N3NaO3S Indicateur de méthylorange CAS 547-58-0 Colorants biologiques et acide-base
Chemical Reagents Methyl Orange CAS 547-58-0 Biological Stains and Acid-base Indicators Introduction: Water-soluble eosin Y is a chemically synthesized acidic dye that dissociates into negatively charged anions in water and combines with positively charged cations of the amino groups of proteins to stain the cytoplasm. The cytoplasm, red blood cells, muscles, connective tissue, eosinophilic granules, etc. are stained in varying degrees of red or pink, forming a sharp contrast
Indicateurs acide-base Produits chimiques quotidiens Bleu de thymol CAS 76-61-9 Colorants biologiques
Acid-base indicators Daily Chemicals Thymol Blue CAS 76-61-9 Biological stains Introduction: Dark green to dark brown powder. Melting point 221-224 °C (dec.) (lit.). Soluble in alcohol and dilute alkali solutions. Insoluble in water. Stable. Flammable. Its powder may form explosive mixtures with air. Incompatible with strong oxidants. Uses: Acid-base indicator, pH 1.2 (red) ~ 2.8 (yellow), 8.0 (yellow) ~ 9.6 (blue). Acid-base indicator. pH color change range 8.0 (yellow) ~ 9
C21H14Br4O5S Vert de bromocrésol CAS 76-60-8 Colorants biologiques cellulaires Indicateurs acide-base
Chemical Reagents Bromocresol Green CAS 76-60-8 Cell Stains Biological Stains Acid-base Indicators Introduction: Bromocresol green is also known as 3,3',5,5'-tetrabromo-m-cresolsulfonylphthalide and γ-Sultone. It is precipitated from acetic acid as fine light yellow crystals. Relative molecular weight 698.05. Melting point 218-219℃. It is very sensitive to alkali and shows a special blue-green color when it encounters alkaline aqueous solution. Bromocresol green can be used
Cresol rouge CAS 1733-12-6 C21H18O5S Indicateur de base acide du colorant biologique
Chemical Reagents Basic Green 4 CAS 569-64-2 Acid-base indicators Adsorption Indicators Biological Stains Introduction: Crystals with green luster, reddish brown powder after grinding. Easily soluble in alcohol and dilute sodium hydroxide solution, slightly soluble in water. Uses: Biological stains, acid-base indicators Product Name Cresol Red CAS 1733-12-6 MF C21H18O5S MW 382.43 EINECS 217-064-2 Melting point 290 °C
Dark Green Powder Neutral Red CAS 553-24-2 Titration Indicator
Dark Green Powder Neutral Red CAS 553-24-2 Titration Indicator Overview Neutral red, dark green powder obtained in 50% ethanol. Soluble in water or alcohol, it turns red. Its solubility in water, anhydrous ethanol, and ethylene glycol-ethe is 4%, 1.8%, and 3.75%, respectively. It is insoluble in xylene. Product Parameters Item Value Product Name Neutral Red CAS 553-24-2 MF C15H17ClN4 MW 288.78 EINECS 209-035-8 Appearance dark green powder Product Image Application Neutral red
