Description

Pigment Orange 34 is a high-performance, diarylide-based organic pigment renowned for its excellent color strength and durability. This pigment is a critical component for achieving vibrant, consistent, and cost-effective orange shades in demanding industrial applications. It is primarily sought after by manufacturers in the plastics, coatings, and printing ink industries who require reliable colorants with good heat stability and lightfastness.

Application

Pigment Orange 34 is a versatile colorant used across multiple sectors due to its robust performance profile.

• Plastics Coloring: Widely used for coloring PVC, polyolefins (PP, PE), and engineering plastics, offering good dispersion and heat stability during processing.
• Industrial Coatings: An essential pigment for solvent-based and aqueous industrial paints, including automotive refinish, machinery, and agricultural equipment coatings.
• Printing Inks: Employed in the formulation of various printing inks, such as packaging gravure, flexographic, and offset inks, providing strong, opaque orange prints.
• Masterbatch Production: A key raw material for producing color concentrates and masterbatches used in plastic extrusion and molding.
• Synthetic Fibers: Used in the mass coloration of synthetic fibers like polypropylene, ensuring colorfastness.
• Rubber and Elastomers: Suitable for coloring rubber products, where it maintains color integrity under flexing and environmental exposure.

Basic Information

Product Name	Pigment Orange 34
CAS No.	15793-73-4
Molecular Formula	C₃₄H₂₈Cl₂N₆O₂
Molecular Weight	639.53 g/mol
Synonyms	Pigment Orange 34; C.I. Pigment Orange 34; Diarylide Orange; Benzidine Orange; 3,3'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-methyl-2-butanone]; PO 34; Pigment Orange 34 (C.I. 21115); Diarylde Orange HR
EINECS	239-898-2

Quality Control

Our production of Pigment Orange 34 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, hue, particle size distribution, and rheological properties. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and performance data is provided with each shipment to guarantee it meets your specific application 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 strong oxidizing agents. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Orange Powder
Color Strength	100 ± 5% (vs. Standard)
Hue	Conforms to Standard
Volatile Matter (at 105°C)	≤ 2.0%
Residue on Sieve (63 µm)	≤ 0.1%
pH Value (Aqueous Extract)	6.0 - 8.0
Lightfastness (1-8 Scale)	≥ 6
Heat Stability (Plastics, °C)	≥ 260

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