
Iron Oxide – Deltarox Yellow (313B)
Deltarox Yellow (313B) is a high-purity synthetic iron oxide yellow pigment offering excellent colour strength, stability, and dispersibility. Widely used in coatings, plastics, construction materials, and inks requiring durable and UV-stable yellow pigmentation.
Synonyms
• Iron oxide yellow
• Ferric oxide hydrate
• Synthetic yellow iron oxide
• Pigment Yellow 42
• FeOOH (Goethite yellow)
Chemical Formula
FeO(OH) (Iron oxyhydroxide)
CAS Number
51274-00-1
Appearance
• Fine yellow powder
• High tint strength
• Excellent opacity and dispersion

A weak organic acid in crystalline powder form, commonly used as an acidulant, preservative, and cleaning agent.
Synonyms:
2-Hydroxy-1,2,3-propane-tricarboxylic acid, anhydrous citric acid
CAS Number:
77-92-9
Appearance:
White crystalline powder, odorless, soluble in water
Uses / Applications
• Architectural and industrial coatings
• Construction materials (cement colourants, pavers, bricks)
• Plastics and masterbatch
• Printing inks and artist materials
• Floor coatings and roof coatings
• Rubber products
• Decorative paints and textured finishes
• Ceramic coloration (selected formulations)
Key Features / Benefits
• Strong, stable yellow shade
• Excellent UV and weather resistance
• High thermal stability
• Non-bleeding, non-migrating, non-fading
• High opacity and tinting strength
• Chemically stable in alkaline and acidic environments
• Suitable for both water- and solvent-based systems
• Easy dispersion in various mediums
SDS Safety Summary
• Low toxicity, non-flammable, inert pigment
• May cause mild dust irritation to eyes or respiratory tract
• Use dust mask, goggles, and gloves when handling
• Avoid generating airborne dust during mixing
• Store in a dry area away from moisture and contamination
• First Aid:
– Eyes: Rinse with clean water
– Skin: Wash with soap and water
– Inhalation: Move to fresh air
– Ingestion: Rinse mouth; seek advice if symptoms occur
| Weight | N/A |
|---|---|
| size | 5KG, 25KG |
Q & A
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