Dimidium bromide CAS 518-67-2 Česká republika
Chemical name: Dimidium bromide
Synonymous names: Azocarmine B, Basic Red 2
3,8-Diamino-5-methyl-6-phenylphenanthridinium bromide;
TRYPADINE
CAS No:518-67-2
Molecular formula:C20H18BrN3
Appearance:Dark red or purple crystalline powder
Molecular weight:380.28
EINECS:208-256-7
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Structural formula:
Product Description:
Items |
Specifications |
Appearance |
Dark Red to purple Colored Powder |
Soiubility |
Soluble in 20 Parts of water |
Identification |
a)IR-Similar to standard |
Loss on Drying |
NMT 5.0% |
Melting point |
232-243℃ |
Related Substances |
TLC Test Passes |
Assay |
95.0MIN% |
Properties and Usage:
Demidium bromide is a highly effective surfactant indicator that performs well in a variety of applications with its unique maroon color. It is mainly used for anion and cation determination in titration reactions and is usually used in combination with acid blue in a 2:1 ratio for optimal results.
Function: surfactant indicator, fluorescent stain, complex former in analytical chemistry, colorant in dye industry
Main Applications
1. Biological staining
Dyeing agent: Demidium bromide has a high affinity for nucleic acids and is widely used for staining in microbiology and histology. It can effectively stain various biological tissues and cells, and is used in combination with other dyes to aid microscopic examination and diagnosis.
2. Analytical Chemistry
Demidium bromide is able to form stable complexes with certain anions and cations, and is therefore widely used in analytical techniques such as spectrophotometry and chromatography.
3. Dye industry
Coloring agent: With its bright maroon color and strong staining properties, demidium bromide is widely used in coloring applications in the textile and papermaking industries.
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Storage conditions: This product should be protected from light, sealed, and stored in a cool place.
Packing: This product is packed in cardboard drums lined with cardboard or aluminum foil bags of 1 kg, 5 kg, 25 kg or customized according to customer's requirements.