应用
pH indicator in pH range 4.2 - 6.3Methyl red is used as a pH indicator. It is red in pH less than 4.4 and yellow in pH over 6.2. It is used to study its degradation using Fenton's reagent. In microbiology, it is used to identify bacteria producing stable acids by mechanisms of mixed acid fermentation of glucose.

Grade Specifications
Specifications: Melting point (range) 179-182?, Clarity of alcohol solution P.T., Visual transition interval from pH 4.2 (pink) to 6.2 (yellow)

备注
Incompatible with oxidizing agents.

基本信息

MDL
MFCD00002425

EINECS
207-776-1

分子式
C₁₅H₁₅N₃O₂

分子量
269.30

熔点
179-182°

灵敏度
Ambient temperatures.

形态
Crystalline

溶解性
Practically insoluble in water. Soluble in alcohol, acetic acidSoluble in ethanol. Insoluble in water.

Beilstein
750102

Merck
14,6119

安全信息

RTECS
DG8960000

TSCA
是