Ester 39
I have found results from3000+products and700+suppliers aboutEster 39
High Quality Diacetyl Tartaric Acid Ester of Mono Diglycerides CAS 100085-39-0 Datem
Free Sample Available and No MOQ Limited 331-39-5 Caffeic Acid Powder
Halal Food Additives Emulsifier E472e Diacetyl Tartaric Acid Ester of Mono (di) Glycerides Datem
Food Grade Diacetyl Tartaric Acid Ester of Mono Diglycerides/Datem
Premium Sorbitan Fatty Acid Ester CAS 1338-39-2
Tert-Amyl Peroxybenzoate CAS: 4511-39-1 Perbenzoic Acid Tert-Amyl Ester
Xqh299 Versatile Synthetic Ester Mr-200 for Aviation, Automotive and Industrial Lubricants
Methyl 3-Aminocrotonate 3-Aminocrotonic Acid Methyl Ester CAS 14205-39-1
99%, (S) - (-) -Propylene Carbonate with Competitive Price CAS: 51260-39-0
N- (Diphenylmethylene) Glycine Methyl Ester Intermediate Supplier
Jinao Propanedioic Acid, 1, 3-Dibutyl Ester (DBE) Propanedioic Acid Dibutyl Ester
China Synthetic Plasticizer Composite Plant Dibutyl Ester for Polyurethanes Hard Foam
Industry Grade Propanedioic Acid, 1, 3-Dibutyl Ester (DBE) Propanedioic Acid Dibutyl Ester
Wholesale Cheap High-Efficiency Propanedioic Acid Dibutyl Ester Dibutyl Ester Dbe
Chemical Supplier High Quality Plastificante Dbe CAS 1190-39-2 Plasticizer Dibutyl Ester
Sourcing guidance for Ester 39
What are the key technical specifications to verify when sourcing Ester 39?
When procuring Ester 39, buyers must prioritize purity levels (typically ≥99%) and moisture content (≤0.1%) to ensure chemical stability. It is essential to request a Certificate of Analysis (COA) for every batch to verify the acid value, refractive index, and specific gravity. For industrial applications, ensure the product meets ASTM or ISO standards relevant to ester-based compounds to guarantee performance consistency.
How should compliance and safety standards be managed for this product?
Ester 39 requires strict adherence to international safety protocols. Buyers must ensure the supplier provides a comprehensive Material Safety Data Sheet (MSDS/SDS) compliant with the GHS (Globally Harmonized System). If the product is intended for the European market, verify REACH registration; for the US, ensure compliance with TSCA (Toxic Substances Control Act). Proper UN-rated packaging is mandatory to prevent leakage during cross-border transit.
What are the primary usage scenarios and functional requirements for Ester 39?
Ester 39 is widely used as a high-performance lubricant additive, plasticizer, or chemical intermediate. Functional requirements include high thermal stability and excellent oxidation resistance. In the lubricant industry, it is valued for its biodegradability and low volatility. Buyers should confirm the product's solubility profile with specific base oils or polymers used in their production line.
How can buyers evaluate the economic feasibility of bulk Ester 39 procurement?
To optimize costs, calculate the Total Cost of Ownership (TCO), including the unit price, specialized chemical freight costs, and import duties. Bulk discounts are common for orders exceeding 5-10 metric tons, often yielding 10-20% savings. However, buyers must balance volume discounts against storage costs, as chemical integrity requires climate-controlled warehousing to prevent degradation over time.
Cross-Border Procurement Risks and Strategic Advice for Ester 39
What are the critical risks in cross-border chemical transactions?
The primary risks include regulatory seizure due to improper labeling and quality variance between samples and bulk shipments. To mitigate these, use third-party inspection services (like SGS or Intertek) to conduct pre-shipment testing. Ensure all customs HS codes are accurately declared to avoid heavy fines or shipment delays at international borders.
How should I negotiate with suppliers on Made-in-China.com?
When using Made-in-China.com, focus negotiations on quality consistency guarantees and lead-time reliability. Request a trial order (MOQ) before committing to large volumes. Negotiate for staggered payment terms (e.g., 30% deposit, 70% against Bill of Lading) to protect your capital. Always prioritize Audited Suppliers on the platform to ensure the factory has passed field inspections.
What are the best practices for shipping and logistics for Ester 39?
Ester 39 should be shipped using ISO tanks or reinforced IBC totes to ensure structural integrity. Select freight forwarders who specialize in hazardous or sensitive chemical logistics. Ensure the shipping route avoids extreme temperature zones if the product is sensitive to thermal fluctuations, and always secure comprehensive marine insurance covering chemical spills and contamination.
How can transaction security be ensured in international trade?
Utilize Secured Trading Services provided by platforms like Made-in-China.com to protect your payments. Avoid direct wire transfers to unverified personal accounts. Ensure the Proforma Invoice (PI) clearly outlines the dispute resolution mechanism and specifies the Incoterms (e.g., FOB, CIF) to define exactly where the risk transfers from the seller to the buyer.



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