Description

Mordant Orange 1 is a synthetic azo dye primarily used as a complexometric indicator and a biological stain. This compound is valued for its ability to form stable, colored complexes with metal ions, making it a critical tool in analytical chemistry and histology. It is essential for laboratories and industries requiring precise metal ion detection and tissue staining protocols.

Application

• Complexometric titration indicator for metals like aluminum, iron, and zirconium.
• Biological stain for histological examination of tissues.
• Colorimetric reagent in analytical chemistry for metal ion detection.
• Dyeing agent for textiles when used with appropriate metal mordants.
• Component in educational laboratory kits for teaching analytical chemistry principles.
• Potential use in the development of chemical sensors.

Basic Information

Product Name	Mordant Orange 1
CAS No.	2243-76-7
Molecular Formula	C13H9N3Na2O8S2
Molecular Weight	445.33 g/mol
Synonyms	Acid Chrome Orange G; Alizarin Yellow GG; Chrome Orange G; C.I. 14030; Mordant Orange 1, sodium salt; 5-[(2-Hydroxy-5-nitrophenyl)azo]salicylic acid, disodium salt; 2-Hydroxy-5-[(2-hydroxy-5-nitrophenyl)azo]benzoic acid, disodium salt
EINECS	218-812-7

Quality Control

Our Mordant Orange 1 is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and performance as an indicator. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and relevant physical parameters is provided with every shipment to guarantee it meets your application-specific requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to prevent degradation and absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to brownish-orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
pH (1% Solution)	6.0 - 8.0
Water Solubility	Freely soluble

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.