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You are here: home  > Indicator Tracer Agent  > Alizarin Red CAS 130-22-3 Alizarin Red S ALIZARIN SULFONIC ACID SODIUM SALT

Alizarin Red CAS 130-22-3 Alizarin Red S ALIZARIN SULFONIC ACID SODIUM SALT 

Payment Terms: T/T,L/C,WU 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: As per request of clients
Brand Name: MOSINTER
Purity: 99
Water insoluble %≤: 0.5
Production Capacity: 200Tons / month
Delivery Date: within 7 days
CAS No.: 130-22-3
Appearance: Orange powder
Moisture %≤: 5

Alizarin is used throughout history as a prominent red dye, principally for dyeing textile fabrics.

 Alizarin Red (CAS:130-22-3)

 

Item

Index

Appearance

Orange powder

Moisture %≤

5

Water insoluble %≤

0.5


Alizarin or 1,2-dihydroxyanthraquinone (also known as Mordant Red 11 and Turkey Red) is an organic compound with formula C14H8O4 that has been used throughout history as a prominent red dye, principally for dyeing textile fabrics. Historically it was derived from the roots of plants of the madder genus. In 1869, it became the first natural pigment to be duplicated synthetically.

Alizarin is the main ingredient for the manufacture of the madder lake pigments known to painters as Rose madder and Alizarin crimson. Alizarin in the most common usage of the term has a deep red color, but the term is also part of the name for several related non-red dyes, such as Alizarine Cyanine Green and Alizarine Brilliant Blue. A notable use of alizarin in modern times is as a staining agent in biological research because it stains free calcium and certain calcium compounds a red or light purple color. Alizarin continues to be used commercially as a red textile dye, but to a lesser extent than 100 years ago.

Structure and properties

Alizarin is one of ten dihydroxyanthraquinone isomers. Its molecular structure can be viewed as being derived from anthraquinone by replacement of two neighboring hydrogen atoms (H) by hydroxyl groups (-OH).

It is soluble in hexane and chloroform, and can be obtained from the latter as red-purple crystals, m.p. 277–278 °C.

Alizarin changes color depending on the pH of the solution it is in, thereby making it a pH indicator.

Applications

Alizarin Red is used in a biochemical assay to determine, quantitatively by colorimetry, the presence of calcific deposition by cells of an osteogenic lineage. As such it is an early stage marker (days 10–16 of in vitro culture) of matrix mineralization, a crucial step towards the formation of calcified extracellular matrix associated with true bone.[citation needed]

Alizarin's abilities as a biological stain were first noted in 1567, when it was observed that when fed to animals, it stained their teeth and bones red. The chemical is now commonly used in medical studies involving calcium. Free (ionic) calcium forms precipitates with alizarin, and tissue block containing calcium stain red immediately when immersed in alizarin. Thus, both pure calcium and calcium in bones and other tissues can be stained. The process of staining calcium with alizarin works best when conducted in basic solution.

In clinical practice, it is used to stain synovial fluid to assess for basic calcium phosphate crystals. Alizarin has also been used in studies involving bone growth, osteoporosis, bone marrow, calcium deposits in the vascular system, cellular signaling, gene expression, tissue engineering, and mesenchymal stem cells. In geology, it is used as a stain to indicate the calcium carbonate minerals, calcite and aragonite.

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Company Info

MOSINTER GROUP LIMITED [China (Mainland)]

Offline Showroom in USA

Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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