Low‑VOC Iron Octoate 8% Fe CAS 7321-53-1 Cobalt‑Free Eco High Solids Alkyd Drier
Low‑VOC Iron Octoate 8% Fe CAS 7321‑53‑1 is low‑volatile liquid iron 2‑ethylhexanoate primary drier containing 8% iron metal content. This low‑VOC grade adopts low‑volatility diluent to avoid excessive VOC increment for high‑solids systems. As cobalt‑free main drier, it triggers oxidative curing of alkyd resins with relatively low discoloration tendency for pale‑colored films. When compounded with zinc, barium or strontium auxiliary driers, it realizes coordinated surface drying and deep‑layer t
Product Overview
Low‑VOC Iron Octoate 8% Fe CAS 7321‑53‑1 belongs to octoate‑series low‑VOC metal carboxylate primary drier for air‑drying alkyd coating systems. It acts as cobalt‑free oxidative main drier for high‑solids alkyd formulations. Conventional iron octoate diluted with ordinary hydrocarbon solvent will raise total VOC value and break emission indicators of high‑solid coatings. This variant uses low‑volatility carrier to restrict additional volatile contribution. It shall be used together with anti‑skinning and through‑curing auxiliary driers to balance surface drying rate and inner‑layer curing completeness. It shows good miscibility with high‑viscosity high‑solids alkyd resins, keeps stable catalytic activity in finished paint storage and industrial batch‑to‑batch production.
Key Features
‑ 8% standard iron content for stable cobalt‑free primary oxidative curing performance ‑ Low‑VOC carrier system, avoids excessive volatile solvent addition to high‑solid formulas ‑ Cobalt‑free composition, complies with cobalt‑restricted environmental coating regulations ‑ Relatively low discoloration tendency, suitable for pale high‑solids alkyd coating systems ‑ Initiates oxidative cross‑linking reaction for air‑drying high‑solids alkyd resins ‑ Excellent cooperative effect with zinc, barium, strontium and other auxiliary driers ‑ Good miscibility with high‑viscosity high‑solids alkyd resin systems ‑ Reliable batch‑to‑batch consistency for eco‑friendly high‑solids alkyd paint manufacturing
Technical Specifications
‑ Product Name: Low‑VOC Iron Octoate (Iron 2‑Ethylhexanoate) ‑ Iron Content: 8% Fe ‑ CAS No.: 7321‑53‑1 ‑ Carrier: Low‑volatility low‑VOC diluent ‑ Appearance: Dark reddish‑brown transparent liquid ‑ Solubility: Miscible with high‑solids alkyd resins and hydrocarbon solvents ‑ Density: 0.96‑1.02 g/cm³ @25℃ ‑ Viscosity: Low‑viscosity liquid ‑ Flash Point: ≥100℃ ‑ Moisture: ≤0.2%
Application Scenarios
‑ Cobalt‑free low‑VOC high‑solids solvent‑borne alkyd coating systems ‑ Pale and light‑colored high‑solids alkyd varnish and industrial enamels ‑ High‑solid industrial protective alkyd finishes with strict VOC limitation ‑ Coating formulations subject to cobalt‑containing substance regulatory restrictions ‑ Composite drier system matched with zinc, barium and strontium auxiliary driers
Usage Recommendation
‑ Typical dosage: 0.10%‑0.40% calculated on total paint weight (as metal iron) ‑ Premix sufficiently with zinc, barium, strontium or other auxiliary driers before adding into coating formula ‑ Do not add during high‑temperature resin synthesis procedure ‑ Independent application cannot obtain satisfactory curing performance, auxiliary driers are mandatory ‑ Evaluate VOC indicator, drying property and film color stability simultaneously ‑ Adjust dosage according to surface‑drying speed, through‑curing and color‑change test results ‑ Complete full‑set laboratory compatibility 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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