Product Description
Pigment Yellow 42, also known as Yellow Iron Oxide, is a yellow powder composed of an alkaline oxide with relatively stable chemical properties. It is insoluble in water and alcohol, slightly soluble in acids, and completely soluble in concentrated hydrochloric acid. When heated to 80°C, it loses water and transforms into red ferric oxide.
This pigment is widely used in coatings, printing inks, and paints, as well as a coloring agent for building materials, rubber, and paper manufacturing. It is highly valued for its bright and pure color tone, excellent weather resistance, and high opacity, making it suitable for a broad range of industrial applications.
Pigment Yellow 42 is produced through the precipitation of ferric oxide hydroxide, followed by washing, drying, and milling purification processes to ensure consistent quality.

Parameters
| TEST ITEMS | SPECIFICATION |
| APPEARANCE | DARK YELLOW POWDER |
| CONTENT OF Fe 2 O 3 | 86% min |
| pH VALUE | 46088 |
| SHADE | CLOSE TO STANDARD |
| OIL ABSORPTION | 25-35% |
| RESIDUE ON 320 MESH | 0.3% max |
| WATER SOLUBLE | 0.3% max |
| VOLATITE 105 °C | 1.0% max |
| TINTING STRENGTH | 98-102 % |
Product Application
Pigment Yellow 42 (Technical Grade) is used in topical sun-care formulations to help protect skin exposed to high-energy visible light irradiation.
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Company Profile
Shandong Rongsheng Chemical Co., Ltd. is situated in Shandong’s prime chemical industrial zone. We operate as a full‑scope chemical enterprise that unifies production, R&D, domestic sales and export businesses. Our primary offerings consist of basic chemical raw materials and fine chemical additives, which find broad usage in rubber‑plastic processing, coatings & inks, water treatment and diverse industrial manufacturing fields.
We own standardized in‑house production facilities to execute end‑to‑end independent quality assurance and provide direct factory supply. By eliminating price premiums from intermediate distributors, we deliver versatile service packages covering bulk‑volume purchases, custom formula development, bespoke packaging and small‑lot sample orders. Our adaptable production schedules can accommodate personalized client needs and guarantee steady product deliveries.
Our highly‑skilled international sales team boasts extensive hands‑on experience across global markets. Being familiar with import compliance criteria and cross‑border logistics protocols of different countries, we furnish overseas buyers with complete export support. Our service scope spans inquiry reception, sample delivery, tailor‑made solution design, customs clearance, cargo dispatch and continuous after‑sales assistance.
We abide by our core tenet: quality‑driven operation and integrity‑based win‑win partnership. Drawing on steady product performance, diversified service options as well as efficient and compliant shipment capacity, we provide worldwide customers with economical, reliable all‑round chemical supply‑chain solutions. We aim to serve as a trustworthy long‑term partner for global fine‑chemical trade collaborators.
