Mordant Yellow 1
Food Additives 2025-03-11
Mordant Yellow 1 Introduction
| Attribute | Details |
|---|---|
| CAS Number | 584-42-9 |
| Chemical Name | 2-Hydroxy-5-[(3-nitrophenyl)azo]benzoic acid monosodium salt |
| Molecular Formula | C13H8N3NaO5 |
| Molecular Weight | 309.21 g/mol |
| Appearance | Yellow powder |
| Solubility | Soluble in hot water, soluble in ethanol, slightly soluble in cold water, propylene glycol, and ether |
Mordant Yellow 1 is a versatile chemical compound with a range of applications. It is commonly used as an indicator, where it is dissolved in 25% ethanol to form a 0.025% solution. This solution can be employed as both a pH indicator and a chromatographic analysis reagent.
The compound exhibits specific chemical properties, such as changing color when exposed to concentrated sulfuric acid or nitric acid. When treated with concentrated sulfuric acid, Mordant Yellow 1 turns red-yellow, and upon dilution, produces a green-yellow precipitate. When exposed to concentrated nitric acid, it turns into a yellow-amber solution.
In terms of safety, Mordant Yellow 1 is not classified as a dangerous substance or mixture according to the Globally Harmonized System (GHS). However, appropriate personal protective equipment, such as eye shields, gloves, and respirators, should be worn when handling this compound.
Overall, Mordant Yellow 1 is a valuable chemical with a range of industrial applications and specific chemical properties.
