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Congo Red ACS Reagent 25 gr – AFG Scientific

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Congo Red dye in ACS Reagent quality used as a pH indicator and in nitrogen analysis, supplied in 25 gr packaging.

  • ACS Reagent quality certification
  • CAS No: 573-58-0
  • Molecular Formula: C32H22N6O6S2·2Na
  • Molecular Weight: 696.67 g/mol
  • Red powder appearance, room temperature storage
  • 25 gr package

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Congo Red is an azo-based dye used in laboratories as a pH indicator and in nitrogen analysis. Supplied by AFG Scientific in ACS Reagent quality, this product is prepared in 25 gr packages suitable for the needs of analytical and academic laboratories. ACS Reagent certification indicates that the product meets the purity and consistency standards required for analytical work. This compound with red powder appearance, also known as Direct Red 28 (C.I. 22120), is stable at room temperature and is preferred in classical analytical chemistry applications such as nitrogen determination and as a pH indicator in acid-base titrations.

Technical Specifications

Manufacturer AFG Scientific
CAS No 573-58-0
Molecular Formula C32H22N6O6S2·2Na
Molecular Weight 696.67 g/mol
MDL No MFCD00004028
Appearance Red powder
Storage Temperature Room temperature
Packaging 25 gr
Grade ACS Reagent

Applications

  • Acid-base titrations as a pH indicator
  • Nitrogen analysis studies
  • Analytical chemistry laboratory applications

Frequently Asked Questions

What is Congo Red used for?
Congo Red is a dye used as a pH indicator and in nitrogen analysis.
What are the storage conditions?
Store at room temperature, protected from light and in a dry environment.
What is the CAS number?
573-58-0