evidence is weak. "QUINOLINE YELLOW WS (C.I. ACID YELLOW 3)". Retrieved 30 June 2023. Additives FAO [dead link] "Quinoline Yellow for microscopy (Hist.), mixture...

lemon yellow azo dye primarily used as a food coloring. It is also known as E number E102, C.I. 19140, FD&C Yellow 5, Yellow 5 Lake, Acid Yellow 23, Food...

Indole-3-butyric acid (1H-indole-3-butanoic acid, IBA) is a white to light-yellow crystalline solid, with the molecular formula C12H13NO2. It melts at...

water" or "royal water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. Aqua regia is a fuming liquid. Freshly prepared...

samples tend to acquire a yellow cast over time due to decomposition into oxides of nitrogen. Most commercially available nitric acid has a concentration of...

β-methylbutyric acid occurs as a transparent, colorless to light yellow liquid which is soluble in water. β-Hydroxy β-methylbutyric acid is a weak acid with a...

Acetoacetic acid (IUPAC name: 3-Oxobutanoic acid, also known as Acetonecarboxylic acid or Diacetic acid) is the organic compound with the formula CH3COCH2COOH...

orange shows red color in acidic medium and yellow color in basic medium. Because it changes color at the pKa of a mid strength acid, it is usually used in...

Yellow (Acid Yellow 36) is a dye of the azo class. In analytical chemistry, it is used as a pH indicator and it has a color change from red to yellow...

Sulfuric acid (American spelling and the preferred IUPAC name) or sulphuric acid (Commonwealth spelling), known in antiquity as oil of vitriol, is a mineral...