Methyl red

powder, 4.2(purplish red) to 6.2(yellow)

  • Product Code: 52313
  Alias:    Methyl red; methane red, alkane red, methane red, p-dimethylaminoazobenzene o-carboxylic acid, acid red 2
  CAS:    493-52-7
Molecular Weight: 269.3 g./mol Molecular Formula: C₁₅H₁₅N₃O₂
EC Number: 207-776-1 MDL Number: MFCD00002425
Melting Point: 178-182°C Boiling Point:
Density: Storage Condition: room temperature
Product Description: Methyl red is widely used as a pH indicator in various laboratory settings. It is particularly useful in microbiology for the methyl red test, which helps differentiate between bacterial species based on their ability to produce stable acids through glucose fermentation. In analytical chemistry, it serves as a visual indicator in titrations to determine the endpoint of acid-base reactions, typically changing color from red at pH 4.4 and below to yellow at pH 6.2 and above. Additionally, it finds application in educational experiments to demonstrate pH changes and buffer solutions. Its stability and distinct color transition make it a reliable tool for monitoring pH levels in research and industrial processes.
Product Specification:
Test Specification
Melting point 179 182?
VISUAL TRANSITION INTERVAL 4.4-6
SUITABILITY COMPLIES FOR SENSITIVITY
Sizes / Availability / Pricing:
Size (g) Availability Price Quantity
25.000 10-20 days ฿390.00
+
-
100.000 10-20 days ฿1,190.00
+
-
500.000 10-20 days ฿5,580.00
+
-
Methyl red
Methyl red is widely used as a pH indicator in various laboratory settings. It is particularly useful in microbiology for the methyl red test, which helps differentiate between bacterial species based on their ability to produce stable acids through glucose fermentation. In analytical chemistry, it serves as a visual indicator in titrations to determine the endpoint of acid-base reactions, typically changing color from red at pH 4.4 and below to yellow at pH 6.2 and above. Additionally, it finds application in educational experiments to demonstrate pH changes and buffer solutions. Its stability and distinct color transition make it a reliable tool for monitoring pH levels in research and industrial processes.
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