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CAS:1667-99-8 | Mordant Blue 29

CAS:1667-99-8 | Mordant Blue 29

Mordant Blue 29 is a common organic pigment, often combined with metal salts (such as chromium or aluminum), used to dye textiles, especially wool and silk.

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Product Introduction
Products Description

The corresponding compound of CAS 1667-99-8 is Mordant Blue 29, also known as Chromeazurol S, which is a trisodium salt organic compound containing sulfonic and carboxyl groups. It is mainly used for metal ion detection and biological staining. Its molecular formula is C23H13Cl2Na3O9S and its molecular weight is 605.28.
Mordant Blue 29 is a brown-black crystalline powder at room temperature with no obvious odor. It is slightly soluble in ethanol and is reddish brown. It is insoluble in non-polar solvents. The melting point is about 140-159℃ (decomposition). It is stable to air but easy to absorb moisture and needs to be sealed for storage.

Mordant Blue 29

Molecular Formula C23H13Cl2Na3O9S
Molar Mass 605.28
Melting Point Dye content, 50%
Water Solubility Soluble in water
Appearance  cystal
Odor Odorless
BRN 4110655
pKa pK1:2.45;pK2:4.86;pK3:11.47 (25°C)
Storage Condition Room Temprature

Uses

Metal ion detection:
Determination of aluminum, calcium, iron, nickel, etc. by Mordant Blue 29 chelate titration; determination of beryllium, cobalt, gallium, zirconium and fluoride ions by spectrophotometry (indirect determination by beryllium-chrome azure S complex).
Clinical detection of serum iron content.
Biological staining: used for mitochondrial vital staining and laboratory staining of fungi and protozoa.
Industrial field: used as a dye for ink and paint coloring, or as a redox indicator.

Mordant Blue 29

 

About us

Gnee Chemical Co. is located in Henan Province, China. We are a professional import and export trading company, mainly selling plant extracts, food additives, chemical intermediates and other products. We have our own factories and overseas warehouses to provide the best service and guarantee for our customers. The export products we distribute are well received by our customers. We are looking forward to cooperating with you and establishing a win-win relationship with you. Please rest assured that we will take your order seriously. We sincerely welcome foreign customers to our company to negotiate business and develop friendship. We will surely be your good partner.

Chrome Azurol S

 

Chromazurol S

 

FAQ

 

 

Can I get some samples?

Yes, we can provide free samples.

 

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Payment via T/T Western Union, card transfer or Bitcoin.

 

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Samples can be shipped using DHL, UPS, TNT, EMS, Fedex, and other shipping methods. For large orders, they will be shipped by air or sea.

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