Cerium Octoate 12% Ce CAS 56797-01-4 Rare‑Earth Through Drier for Exterior Alkyd
Cerium Octoate 12% Ce CAS 56797‑01‑4 is liquid cerium 2‑ethylhexanoate auxiliary drier containing 12% cerium rare‑earth metal content. As a high‑performance rare‑earth through drier, it accelerates inner‑layer oxidative cross‑linking of alkyd paint film. Used together with cobalt‑manganese primary driers, it significantly enhances outdoor weather resistance, gloss retention and anti‑chalking capacity of exterior coatings, delays aging, cracking and powdering under long‑term ultraviolet exposure.
Product Overview
Cerium Octoate 12% Ce CAS 56797‑01‑4 belongs to octoate‑series rare‑earth metal carboxylate auxiliary drier for air‑drying alkyd coating systems. It cannot achieve independent drying effect and must be compounded with primary drier combinations. Ordinary auxiliary driers are limited in improving outdoor aging performance. Cerium rare‑earth components boost cross‑linking density of inner paint layer and provide anti‑aging auxiliary effect for coatings exposed to UV radiation, humidity and temperature cycles. It dissolves well in aliphatic and aromatic hydrocarbon solvents, has good compatibility with long‑oil and medium‑oil alkyd resins, and maintains stable catalytic activity in finished paint storage and industrial batch‑to‑batch production.
Key Features
‑ 12% standard cerium rare‑earth content for stable through‑curing auxiliary activity ‑ Rare‑earth‑based through drier, outstanding for exterior weather‑resistant coating formulas ‑ Efficiently promotes deep‑layer cross‑linking curing of thick alkyd paint films ‑ Remarkably improves outdoor weather resistance, gloss retention and anti‑chalking property ‑ Suppresses cracking and powdering failure caused by long‑term outdoor exposure ‑ Excellent synergistic matching property with cobalt and manganese primary driers ‑ Good solubility in mineral spirits, xylene and conventional coating solvents ‑ Reliable batch‑to‑batch consistency for high‑grade exterior alkyd paint mass‑production
Technical Specifications
‑ Product Name: Cerium Octoate (Cerium 2‑Ethylhexanoate) ‑ Cerium Content: 12% Ce ‑ CAS No.: 56797‑01‑4 ‑ Appearance: Orange‑yellow transparent liquid ‑ Solubility: Soluble in aliphatic, aromatic hydrocarbon solvents and alkyd resins ‑ Density: 1.04‑1.10 g/cm³ @25℃ ‑ Viscosity: Low‑viscosity liquid ‑ Flash Point: ≥60℃ ‑ Moisture: ≤0.2%
Application Scenarios
‑ Exterior architectural solvent‑borne alkyd decorative coatings ‑ Outdoor industrial protective alkyd enamels and anti‑corrosion finishes ‑ Long‑oil and medium‑oil alkyd systems requiring superior anti‑aging performance ‑ High‑weather‑resistance thick‑film exterior alkyd formulations ‑ Composite drier system cooperating with cobalt‑manganese primary driers
Usage Recommendation
‑ Typical dosage: 0.07%‑0.30% calculated on total paint weight (as metal cerium) ‑ Premix fully with cobalt, manganese and other drier additives before adding into coating formula ‑ Do not add during high‑temperature resin synthesis procedure ‑ Standalone use is ineffective, primary drier combination is mandatory ‑ Adjust dosage according to through‑curing test, water resistance and artificial weathering evaluation ‑ Excessive dosage may cause slight color shift, verify film color stability; complete full‑set laboratory assessment before mass‑scale production
Package & Storage
‑ Standard package: 25kg / 200kg metal drum ‑ Store in cool, dry and well‑ventilated warehouse, keep away from heat source and open flame ‑ Tightly seal container after opening to prevent solvent volatilization and performance deterioration ‑ Shelf life: 12 months under proper storage conditions
Safety Notes
‑ Combustible liquid, keep away from all ignition sources. ‑ Avoid skin contact and eye splash. Wear chemical‑resistant gloves and safety goggles during handling. ‑ Avoid inhalation of vapor and mist, ensure effective local ventilation. ‑ Refer to SDS for full guidance on handling, transportation and emergency disposal.
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