Description

Pigment Yellow 34 is a high-performance, lead-based inorganic pigment renowned for its brilliant, opaque yellow hue and excellent hiding power. This pigment is a cornerstone for applications requiring durable, lightfast, and heat-stable coloration. It is essential for manufacturers in the coatings, plastics, and construction materials industries seeking reliable and cost-effective yellow pigments. Its chemical identity is confirmed by CAS No. 1344-37-2.

Application

Pigment Yellow 34 is a versatile workhorse pigment used across numerous industrial sectors. Its key applications include:

• Industrial and Architectural Coatings: Providing durable yellow coloration for machinery, agricultural equipment, traffic paints, and exterior building paints.
• Plastics and Masterbatch: Coloring PVC, polyolefins, and engineering plastics for consumer goods, toys, and packaging.
• Printing Inks: Used in publication gravure, flexographic, and specialty inks requiring good opacity.
• Construction Materials: Imparting color to concrete products, paving stones, and roofing tiles.
• Paper and Paper Coatings: For colored paper and surface-treated papers where opacity is critical.
• Artists' Colors: A component in some professional-grade oil and acrylic paints.

Basic Information

Product Name	Pigment Yellow 34
CAS No.	1344-37-2
Molecular Formula	PbCrO4 · xPbSO4
Molecular Weight	Contact for details (variable based on chromate/sulfate ratio)
Synonyms	Chrome Yellow; Lead Chromate; CI 77600; CI Pigment Yellow 34; Leipzig Yellow; Paris Yellow; Cologne Yellow; Primrose Chrome
EINECS	215-693-7

Quality Control

Every batch of our Pigment Yellow 34 is manufactured and tested under a stringent quality management system. We ensure consistent performance in color strength, hue, and physical properties. Specifications are controlled for critical parameters including lead and chromium content, soluble matter, and residue on sieve. Certificates of Analysis (COA) documenting batch-specific results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Keep container tightly sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Yellow Powder
Color Strength	Standard ± 5%
Hue	Meets Standard
Residue on Sieve (325 mesh)	≤ 0.5%
Oil Absorption	10 - 25 g/100g
Specific Gravity	5.5 - 6.0
pH Value (10% slurry)	4.0 - 8.0
Volatile Matter	≤ 1.0%

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