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Catalog Number:
01305
CAS Number:
845-10-3
Methyl red sodium salt
Grade:
ACS reagent
Synonym(s):
4-Dimethylaminoazobenzene-2'-carboxylicacid sodium salt, 2-[4-(dimethylamino)phenylazo]benzoic acid sodium salt
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$22.03 /25G
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Product Information

Methyl red sodium salt is a versatile azo dye widely recognized for its application as a pH indicator in various laboratory and industrial settings. This compound exhibits a distinct color change from red to yellow as the pH transitions from acidic to neutral, making it an essential tool for researchers in fields such as biochemistry, microbiology, and environmental science. Its ability to provide clear visual cues allows for precise monitoring of pH levels in titrations and other chemical processes, enhancing accuracy and reliability in experimental results.

In addition to its role as a pH indicator, methyl red sodium salt is utilized in the textile industry for dyeing processes, offering vibrant coloration to fabrics. Its stability and solubility in water further enhance its usability across diverse applications. Researchers and industry professionals appreciate its cost-effectiveness and ease of use, making it a preferred choice for both educational and commercial purposes. With its unique properties and practical applications, methyl red sodium salt stands out as a valuable compound for various scientific and industrial endeavors.

Synonyms
4-Dimethylaminoazobenzene-2'-carboxylicacid sodium salt, 2-[4-(dimethylamino)phenylazo]benzoic acid sodium salt
CAS Number
845-10-3
Grade
ACS reagent
Molecular Formula
C15H14N3O2·Na
Molecular Weight
291.28
MDL Number
MFCD00002426
Melting Point
179-182 °C
Appearance
Red to brownish yellow powder
Conditions
Store at RT
General Information
Synonyms
4-Dimethylaminoazobenzene-2'-carboxylicacid sodium salt, 2-[4-(dimethylamino)phenylazo]benzoic acid sodium salt
CAS Number
845-10-3
Grade
ACS reagent
Molecular Formula
C15H14N3O2·Na
Molecular Weight
291.28
MDL Number
MFCD00002426
Melting Point
179-182 °C
Appearance
Red to brownish yellow powder
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Methyl red sodium salt is widely utilized in research focused on:

  • pH Indicator: Commonly used in titration experiments, it provides a clear color change from red to yellow as pH shifts from acidic to neutral, making it invaluable in laboratory settings.
  • Biological Staining: Employed in microbiology for staining bacteria, it helps differentiate between various microbial species based on their pH response, aiding in identification and analysis.
  • Food Industry: Used as a food colorant, it enhances the visual appeal of products while also serving as a pH indicator during food processing, ensuring quality control.
  • Textile Industry: Acts as a dye in textile applications, providing vibrant colors while also being useful in pH testing during dyeing processes to achieve desired shades.
  • Research and Development: Valuable in developing new chemical compounds, particularly in pharmaceuticals, where it can help monitor reaction conditions and ensure optimal pH levels for synthesis.

Citations