Product Description
METHYL RED INDICATOR AR is a widely-used pH indicator in laboratory settings. This odorless, bitter-tasting powder or crystalline substance undergoes a color change from red to yellow based on the pH level (4.4 to 6.2). With a purity level of over 98%, this analytical reagent grade chemical primarily consists of methyl red with minimal impurities. It is slightly soluble in water and readily dissolves in ethanol. The complex organic structure of METHYL RED INDICATOR AR includes an azo bond (-N=N-), and its molecular formula is C15H15N3O2, with a molecular weight of 269.30 g/mol. Ensuring a shelf life of 2-3 years under proper storage conditions, this substance is suitable for acid-base titration educational experiments.
FAQs of METHYL RED INDICATOR AR:
Q: What is the color range of METHYL RED INDICATOR AR based on pH levels?
A: The color of METHYL RED INDICATOR AR changes from red to yellow, depending on pH, ranging from 4.4 to 6.2.
Q: What is the shelf life of METHYL RED INDICATOR AR?
A: When stored correctly, METHYL RED INDICATOR AR has a shelf life of 2-3 years.
Q: Is METHYL RED INDICATOR AR soluble in water?
A: METHYL RED INDICATOR AR is slightly soluble in water but readily dissolves in ethanol.
Q: Does METHYL RED INDICATOR AR have any smell?
A: No, METHYL RED INDICATOR AR is odorless.
Q: Is METHYL RED INDICATOR AR safe to handle?
A: While using precautions are recommended, it is noteworthy that METHYL RED INDICATOR AR is classified as poisonous.