Description

Benzyl Orange is a synthetic organic compound belonging to the azo dye class, identified by CAS NO 589-02-6. It serves as a versatile colorant and indicator, valued for its distinct hue and chemical reactivity in various industrial processes. This product is essential for manufacturers and research laboratories in sectors requiring precise coloration or pH-sensitive markers, such as textiles, analytical chemistry, and specialty chemical synthesis.

Application

• As a colorant and dye intermediate in the production of specialty inks and pigments.
• Utilized as a pH indicator in analytical chemistry and laboratory research applications.
• Employed in the textile industry for dyeing synthetic fibers and fabric.
• Acts as a chemical intermediate in the synthesis of more complex azo compounds.
• Used in educational and research settings for demonstrating azo coupling reactions.
• Potential use in non-textile coloration applications, such as for plastics or coatings.

Basic Information

Product Name	Benzyl Orange
CAS No.	589-02-6
Molecular Formula	C19H15N3O3S
Molecular Weight	365.40 g/mol
Synonyms	Benzyl Orange; 4-[(4-Benzylphenyl)diazenyl]benzenesulfonic acid; C.I. Acid Orange 19; Acid Orange 19; Tropaeolin O; Benzyl Orange O; 4-(p-Benzylphenylazo)benzenesulfonic Acid; Sodium 4-[(4-benzylphenyl)azo]benzenesulfonate
EINECS	209-636-5

Quality Control

Our Benzyl Orange is produced under a rigorous quality management system to ensure batch-to-batch consistency and purity. Each lot is tested against stringent in-house specifications, which typically include parameters for identity, assay, and impurity profile. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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