Description

Pigment Yellow 42 is a high-performance, synthetic iron oxide yellow pigment widely recognized for its excellent durability and chemical stability. Its primary value lies in providing a cost-effective, non-toxic, and heat-stable yellow coloration for a vast range of industrial materials. This pigment is essential for manufacturers in the construction, coatings, plastics, and specialty chemical industries seeking consistent, high-quality yellow hues. It is commercially supplied under the identifier CAS NO 51274-00-1.

Application

• Construction Materials: Coloring for concrete, paving stones, roofing tiles, mortar, and stucco.
• Paints and Coatings: Used in industrial paints, architectural coatings, and protective primers for its weather resistance.
• Plastics and Masterbatches: Pigmentation for PVC, polyolefins, and engineering plastics requiring heat stability.
• Paper and Pulp: Surface coating and mass coloration of specialty papers and packaging.
• Rubber and Elastomers: Coloring for industrial rubber goods, hoses, and seals.
• Artists' and Decorative Paints: A key component in high-quality acrylics, oils, and other artist media.
• Ceramics and Glazes: Providing stable yellow coloration in ceramic bodies and glazes.

Basic Information

Product Name	Pigment Yellow 42
CAS No.	51274-00-1
Molecular Formula	Fe2O3·H2O
Molecular Weight	177.71 (anhydrous Fe2O3 basis)
Synonyms	CI 77492; Yellow Iron Oxide; Synthetic Yellow Iron Oxide; Ferric Oxide Hydroxide; Goethite (synthetic); Iron(III) Oxide Hydroxide; Iron Oxide Yellow; PY 42; C.I. Pigment Yellow 42
EINECS	257-098-5

Quality Control

Our Pigment Yellow 42 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Quality parameters are verified against industry standards for color strength, particle size distribution, and chemical purity. A comprehensive Certificate of Analysis (COA) detailing specific test 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, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. The product is stable under normal storage conditions.

Specification

Item	Specification
Appearance	Yellow powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 5% (vs. standard)
Purity (as Fe2O3)	≥ 86.0%
Moisture Content	≤ 1.0%
Water Soluble Matter	≤ 0.5%
pH Value (10% slurry)	3.5 - 7.0
Oil Absorption	25 - 35 g/100g
Particle Size (Average)	0.1 - 0.8 μm

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