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Calcium Acetylacetonate, registered under chemical abstract number CAS 19372-44-2 and molecular formula C10H14CaO4, represents a highly critical organometallic coordination complex in modern polymer synthesis, eco-friendly heat stabilization, and resin catalyst chemistry. Commonly referred to as Calcium 2,4-pentanedionate or Ca(acac)2, this compound features a central calcium cation chelated by two acetylacetonate ligands. This structural configuration creates an exceptionally stable, non-toxic, and thermally robust organometallic chelate.
As modern manufacturing transitions away from heavy-metal processing aids (such as lead, cadmium, and organotin compounds) due to global regulatory mandates like EU REACH and RoHS, high-purity Calcium Acetylacetonate manufactured by certified Chinese suppliers has emerged as a gold-standard substitute. It offers non-migratory, environmentally benign, and highly synergized thermal stabilization, particularly when integrated into non-toxic Polyvinyl Chloride (PVC) formulations, high-performance coatings, and specialty polyurethane resin matrices.
| Property Parameter | Standard Specification Value | Testing Method / Analytical Protocol |
|---|---|---|
| Chemical Name | Calcium Acetylacetonate / Bis(2,4-pentanedionato)calcium | IUPAC Nomenclature |
| CAS Registry Number | 19372-44-2 | CAS Standard Identification |
| Assay (Purity) | ≥ 99.0% - 99.5% (High-Purity Industrial Grade) | Complexometric Titration / HPLC |
| Calcium (Ca) Content | 16.5% – 17.5% | Atomic Absorption Spectroscopy (AAS) |
| Appearance | White to light yellowish fine crystalline powder | Visual / Spectrophotometric |
| Melting Point Range | 275°C - 284°C (with decomposition) | Differential Scanning Calorimetry (DSC) |
| Loss on Drying (Volatiles) | ≤ 1.0% (Custom ultra-dry grades available < 0.5%) | Thermogravimetric Analysis (TGA 105°C) |
| Free Acetylacetone Content | ≤ 0.2% | Gas Chromatography (GC) |
| Heavy Metals (as Pb) | ≤ 10 ppm | ICP-MS (Inductively Coupled Plasma) |
| Solubility Profile | Slightly soluble in water, ethanol; soluble in chloroform, warm acetylacetone & aromatic solvents | Gravimetric Solubility Test |
The versatility of Calcium Acetylacetonate spans across multiple high-tech chemical manufacturing sectors. By providing active chelation, neutralizing labile chlorine atoms in polymer chains, and modifying crosslinking behavior, Ca(acac)2 solves complex industrial degradation challenges.
In rigid, semi-rigid, and flexible PVC compound manufacturing, heat exposure causes dehydrochlorination, leading to polymer discoloration and structural brittleness. Calcium Acetylacetonate works synergistically with Zinc Acetylacetonate and dibenzoylmethane (DBM) to displace unstable allylic chloride atoms. This prevents "zinc burning" and ensures exceptional initial color hold, transparency, and long-term thermal stability in food-contact PVC films, medical tubing, and window profiles.
Ca(acac)2 acts as an efficient catalyst in the synthesis of polyurethanes, acrylic resins, and epoxy resin curing systems. Unlike traditional tin-based catalysts (e.g., DBTDL) which face strict toxicity bans, Calcium Acetylacetonate provides a predictable curing speed, superior moisture resistance, and enhanced tensile strength without leaving toxic residues in sealants, adhesives, and industrial elastomers.
In high-end architectural paints, industrial coatings, and printing inks, Calcium Acetylacetonate functions as an auxiliary drying agent. It enhances drying rates at low temperatures, improves film hardness, reduces skinning in open containers, and boosts pigment dispersion efficiency. Its optical clarity makes it ideal for clear coats where yellowing must be strictly avoided.
When incorporated into engineering plastics such as polypropylene (PP), polyamide (PA), and polyethylene terephthalate (PET), Calcium Acetylacetonate accelerates char formation during combustion. Acting as a catalytic synergist alongside polyammonium phosphate (APP), it significantly lowers smoke density, enhances LOI (Limited Oxygen Index), and enables compliance with UL94 V-0 safety standards.
China has established itself as the global powerhouse for fine chemical production, offering unmatchable chemical supply chain depth, raw material integration, and rigorous quality control infrastructures. Purchasing Calcium Acetylacetonate directly from established Chinese factories like JIMPOCHEM CO., LTD yields distinct operational and commercial advantages:
Our manufacturing operations are strategically situated in the Jinan Chemical Industry Park, Shandong Province. We benefit from direct, pipeline-integrated access to key raw materials—namely high-purity Acetylacetone and Calcium Hydroxide. This vertical integration buffers our clients against global raw material price volatility and guarantees unbroken manufacturing continuity even during peak market demand cycles.
Our modern synthesis facilities operate under fully automated DCS (Distributed Control Systems) and PLC continuous crystallization processes. By meticulously controlling reaction temperatures, pH precipitation thresholds, and vacuum drying protocols, we achieve ultra-consistent batch-to-batch repeatability. Free acetylacetone content is kept consistently below 0.2%, minimizing odor and ensuring superior material handling.
Under China's strict national "Dual-Carbon" strategy, our facilities operate full-scale wastewater treatment plants, continuous VOC scrubbers, and energy recovery loops. Our Calcium Acetylacetonate products are fully compliant with EU REACH registrations, US EPA TSCA inventories, RoHS directives, and SVHC non-containment lists, facilitating smooth regulatory customs clearance for international buyers.
The global market for acetylacetonate chemical complexes is undergoing rapid expansion, driven by tightening international chemical safety standards and the aggressive growth of sustainable polymer additives. Key drivers shaping the sector include:
Legislative mandates across the European Union, North America, and East Asia are enforcing the complete phase-out of lead-based stabilizers in PVC pipes, cables, and construction profiles. Calcium-Zinc (Ca/Zn) eco-stabilizers—where Calcium Acetylacetonate acts as the essential co-stabilizer—are capturing over 80% of newly converted production lines globally.
Consumer demand for phthalate-free, heavy-metal-free, and odorless plastic packaging in food wrap, blood bags, intravenous tubing, and infant products has escalated the requirement for high-purity industrial grade Calcium Acetylacetonate.
Next-generation applications are rapidly expanding. Ca(acac)2 is increasingly evaluated as a metal-organic precursor in chemical vapor deposition (CVD) processes for semiconductor coatings, functional ceramic powders, and battery separator film modifiers.
When sourcing industrial-scale Calcium Acetylacetonate (CAS 19372-44-2), procurement directors and chemical engineers must evaluate technical and commercial criteria beyond simple per-ton pricing. Below is our recommended quality verification matrix:
Impurities such as unreacted acetylacetone or excessive moisture cause gas bubble formation, foaming, and surface defects during high-temperature polymer extrusion. Always require a Certificate of Analysis (COA) specifying Loss on Drying < 1.0% and Free Acetylacetone < 0.2%.
For homogeneous dispersion in PVC masterbatches or liquid coating formulations, powder particle size distribution is vital. Premium Chinese manufacturers offer customized micronized powders (d50 < 10 microns) featuring anti-caking surface treatments.
In electronic encapsulants and food-grade plastics, trace lead, cadmium, or iron ions cause yellowing, electrical leakage, and catalytic degradation. Verify ICP-MS testing standards ensuring total heavy metals < 10 ppm.
JIMPOCHEM CO., LTD was established in 2010 and is headquartered in the chemical industry park of Jinan City, Shandong Province. Covering an area of over 500 acres, JIMPOCHEM is a professional chemical raw material manufacturer integrating scientific research & development, large-scale production, global sales, and comprehensive technical services.
With over 16 years of chemical industry experience, our core focus lies in high-end fine chemicals, eco-friendly polymer additives, pharmaceutical intermediates, and cosmetic raw materials. We have earned multiple authoritative certifications, including ISO9001 Quality Management Systems and ISO14001 Environmental Management Systems, committing to providing one-stop chemical procurement solutions to international clients.
Our products are exported to over 200 countries and regions across Europe, North America, South America, Southeast Asia, the Middle East, and Oceania, serving over 5,000 international enterprises.
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