chemical reagents
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Agente di pulizia riduttivo intermedio organico Diossido di tiurea CAS 1758-73-2 Sensitizzatore per emulsioni fotografiche
Reduction Cleaning Agent Organic Intermediate Thiourea Dioxide CAS 1758-73-2 Photographic emulsion sensitizer Introduction: Thiourea dioxide is also known as carboxamidine sulfinic acid and aminoiminomethanesulfinic acid. It is a stable compound with neither oxidizing nor reducing properties. It is precipitated from ethanol as colorless to white needle-shaped crystals or crystalline powder. It is odorless. Relative molecular weight 108.12. Relative density 1.4. Melting point
Metilarancio in polvere C14H14N3NaO3S Indicatori acido-base CAS 547-58-0
Chemical Reagents Methyl Orange CAS 547-58-0 Orange Powder Acid-base Indicators Introduction: Orange-yellow powder or crystalline flakes. One part of the product can be dissolved in 500 parts of water. It is easily soluble in hot water and almost insoluble in alcohol. Uses: Used as an acid-base indicator, pH 3.1 (red) - 4.4 (yellow), also used for biological staining. Product Name Methyl Orange CAS 547-58-0 MF C14H14N3NaO3S MW 327.33 EINECS 208-925-3 Color Orange powder
C21H14Br4O5S Verde bromocresolo CAS 76-60-8 Coloranti per biologia cellulare Indicatori acido-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
Metil rosso sale di sodio CAS 845-10-3 Dettagli biologici e indicatori delle basi acide
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
CAS 573-58-0 Indicatore di assorbimento di acidi e basi di polvere rossa del Congo
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
C27H34N2O4S Verde brillante CAS 633-03-4 Indicatori delle basi acide Macchie biologiche Coloranti
Chemical Reagents Brilliant Green CAS 633-03-4 Acid-base indicators Biological Stains Dyes Introduction: Green sandy substance with golden luster. Soluble in cold and hot water, the aqueous solution is green. Uses: 1. Used for dyeing cotton, silk, acrylic and linen. Also used for dyeing paper and making lakes. It can be used as an external disinfectant in medicine. 2. Mainly used for dyeing cotton, silk, acrylic and linen, and can also be used for dyeing paper and making
Acido biologico rosso 94 CAS 632-69-9 Indicatore di assorbimento Agente colorante cellulare in polvere
Chemical Reagents Acid Red 94 CAS 632-69-9 Adsorption indicator Cell Staining Agent Biological Staining Agent Introduction: Appearance:Red powder. MF: C20H5Cl4I4NaO5 MW: 997.66 CAS: 632-69-9 Uses: Used as an adsorption indicator and cell staining agent. Product Name Acid Red 94 CAS 632-69-9 MF C20H5Cl4I4NaO5 MW 997.66 EINECS 211-183-3 Appearance Red powder
Rosso cresolo CAS 1733-12-6 C21H18O5S Agente di colorazione biologica Indicatore acido-base
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
Complesso di Cresolftaleina 2411-89-4 C32H32N2O12 Coloranti Indicatore Complesso
Chemical Reagents O-Cresolphthalein Complexone CAS 2411-89-4 C32H32N2O12 Biological Stains Complex Indicators Acid-base Indicators Introduction: O-Cresolphthalein Complexone is a white or yellow powder, insoluble in water, soluble in dilute alkali and blue, with a pH value of 8.2-9.8 (color ranges from colorless to red); the maximum absorption peak is 566 (381) mm. Uses: Biological Stains Complex Indicators Acid-base Indicators. Product Name O-Cresolphthalein Comple CAS 2411