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Butynediol ethoxylate ( CAS: 1606-85-5 ), commercially branded as BEO , is a high-performance specialty chemical exhibiting unique surfactant properties, broad chemical compatibility, and outstanding stability. As global demand for advanced chemical intermediates rises—especially in coatings, petrochemicals, metallurgy, and water treatment— butynediol ethoxylate is increasingly the preferred choice for manufacturers seeking efficiency, longevity, and superior product quality. Modern industrial manufacturing environment for butynediol ethoxylate 1. Overview of Butynediol Ethoxylate (BEO) CAS: 1606-85-5 Butynediol ethoxylate is produced by ethoxylating 1,4-butynediol , resulting in nonionic surfactants renowned for: Excellent wetting and emulsifying capabilities High chemical and thermal stability Outstanding anti-foaming & dispersing properties Broad solubility spectrum (soluble in organic solvents & water) Low volatility, low toxicity, and ecofriendly profile Key Specifications for Butynediol Ethoxylate Parameter Typical Value Unit Test Method Appearance Pale yellow transparent liquid - Visual (ISO 6271) Molecular Formula C 4 H 6 O 2 (C 2 H 4 O) n - GC-MS Molecular Weight Variable (depends on EO moles, typically 300–1000) g/mol GPC Hydroxyl Value 65–110 mgKOH/g GB/T 7384 pH (1% aq. solution) 6.0–8.0 - ISO 4316 Cloud Point (1% in water) 42–62 °C ASTM D2024 CAS Registry No. 1606-85-5 - CAS 2. Manufacturing Process: From Raw Material to High-Performance BEO 1 Selection of High Purity 1,4-Butynediol 2 Controlled Ethoxylation Reaction (using EO under pressure) 3 Intermediate Fractionation & Purification 4 Quality Inspection (ISO/ASTM tests) 5 Blending & Packing Butynediol ethoxylate is manufactured via precision-controlled alkoxylation (ethylene oxide addition), ensuring batch-to-batch consistency. The process undergoes multiple quality checkpoints: Raw material analysis (purity >99.8%, heavy metal <2 ppm; ISO 17025 lab) Ethoxylation: Catalyst optimization for chain length control (proprietary process, US patent referenced) Fractional distillation separates desired molecular weight QC: GC-MS, FT-IR, and ISO 9001/14001 compliance BEO is available in multiple EO grades according to client requirements; customized chain length and purity are also supported. For real-time video on butynediol ethoxylate production, see industrial synthesis . Wide application of butynediol ethoxylate in petrochemical and metallurgy industries 3. Technical Parameters & Competitive Benchmark Fig.1: Performance Comparison Between BEO & Common Nonionic Surfactants BEO PEG-400 Tween 20 Triton X-100 BEO (Butynediol Ethoxylate) Main Technical Index Item BEO Typical Value Test Standard Remarks EO (Ethylene Oxide) Moles 6–30 (customizable) GC-MS Chain length as per application Purity (GC) ≥99.0% GC Major side products <0.2% Viscosity (25°C) 280–850 ISO 2555 Grade dependent Acid Value <1.0 GB/T 6366.2 Ensures storage stability Color (APHA) <60 ASTM D1209 Low color for industrial use Storage Life ≥2 years Room temp (sealed) Retains properties Water Content <0.2% ISO 760 Ensures thermal endurance Fig.2: BEO End-user Industry Share (%) 4. Why Choose BEO: Advantages & Distinction in butynediol ethoxylate Market Superior Thermal and Chemical Stability: Minimal degradation up to 180°C; outstanding performance under acidic/alkaline conditions. (Tested according to ISO 4614:2021) Broad Compatibility: Seamlessly blends with organic/inorganic additives, resins, and solvents. Ideal for formulating advanced polymers and lubricants. Anti-Corrosion and Longevity: Long-term resistance to oxidation and corrosion. Service life up to 5 years in challenging environments (certified per ANSI/NSF 60 for water treatment use). Custom Chain Length: Ethoxylation controllable for application-specific properties (e.g., detergency, dispersing efficiency). ISO/ANSI Compliance: Consistently meets ISO 9001 , ISO 14001 and ANSI/NSF quality standards. Quality Control: Each batch supported by GC, HPLC, and IR spectrum COA, with optional third-party (SGS, BV) verification for export. 5. Manufacturer Comparison: Leading Players of Butynediol Ethoxylate Manufacturer Production Scale Certifications Customization Major Markets Moneidechem (BEO) >1200 MT/year ISO 9001, ISO 14001, ANSI/NSF EO moles, MW, color, end-use EU, US, Asia-Pacific Stepan Co. >950 MT/year ISO 9001, ISO 14001 Standard NA, EU Solvay S.A. >800 MT/year ISO 9001 Limited EU Local Plants (China, India) 300–600 MT/year GB/T 19001 Standard Asia, MEA 6. Customization & Manufacturing Excellence at BEO Custom Specification: BEO offers tailored butynediol ethoxylate chain lengths (EO: 6~30), molecular weights (400–1200), and purity levels (98.5–99.9%). Additional parameters such as cloud point, HLB value, and viscosity can also be specified. Process Control: Adopted advanced DCS automation, real-time inline analysis (NIR, Raman), and strict temperature/pressure control for zero batch deviation. Material Traceability: Each lot is fully traceable, supporting full compliance with REACH, RoHS, FDA (for indirect food contact, reference CFR 21.178.3570). Sustainability: BEO uses best environmental practices—95% closed-system operations (>40% reduction in VOC emissions vs. industry average, 2023 data, CEFIC). 7. Typical Application Scenarios of Butynediol Ethoxylate Petrochemical: Pipeline cleaning, anti-foaming, demulsification; proven service at CNPC and Shell facilities. Metallurgy: Surface modification for copper/steel plates, acid cleaner base; corrosion resistance up to Class 1 (ASTM G31). Water Treatment: As defoamer/dispersant, enabling stable operations in membrane and softening systems (ANSI/NSF 60 certified). Coatings & Paints: Wetting/dispersing agent for pigments and fillers, facilitates stable color and viscosity. Textile: Leveling and anti-static agent, improves dye penetration and uniformity. Pulp & Paper: Anti-pitch and emulsification agent, enhancing productivity and finish. Case Study: In 2023, a leading EU refinery reported a 24% increase in process uptime after switching to BEO (compared to local PEG-based surfactants). The switch also delivered a 38% reduction in annual cleaning costs, supporting operational stability and sustainability goals. 8. Customer Experience & Service Commitment Expert Technical Support: 24/7 online response, remote technical diagnosis, lab sampling available. Global Delivery: Standard batch ships within 10–14 days ex works; urgent orders negotiable (custom options: 21–35 days). Warranty: 2-year product warranty for unopened packages; additional support for storage/handling. Compliance: All shipments with COA/MSDS, third-party inspection on request. Partnerships: Serving BASF, Petronas, Sinochem, and over 120 key industry clients. For global sales, quotations, and technical solutions, visit butynediol ethoxylate product page . 9. FAQ: Key Technical Terms & Industry Expertise Q1: What is the typical material composition of butynediol ethoxylate? A: It's a nonionic surfactant synthesized from 1,4-butynediol (C4H6O2) and ethylene oxide (C2H4O), resulting in a polyether structure with variable EO units (n). Q2: What are specification ranges (chain length/EO moles) available for BEO? A: EO moles can be tailored from 6–30, molecular weights 300–1000 g/mol; cloud point, purity, and viscosity can be customized per requirement. Q3: Which installation and transportation standards apply to BEO? A: UN recommendations and IMDG for transportation; product identified as nonhazardous (GHS 6.1 No). Storage as per ISO 22241 (air-tight, cool, ventilated). Q4: How is purity and performance underwritten? A: Each batch tested via GC/MS, FT-IR, and titrimetric analysis (ISO 607, ASTM D1209). Results documented in a Certificate of Analysis with batch traceability. Q5: What about shelf life and storage guidance ? A: Official shelf life is at least 2 years at room temperature (unopened). Store away from moisture/strong acids or oxidizers. Test per ISO 4531 as required. Q6: Which quality certifications or standards support BEO's industrial application? A: All products meet ISO 9001 , ISO 14001 , ANSI/NSF 60 ; compliant with RoHS and REACH. Externally audited annually. Q7: How does BEO compare to traditional PEG or linear alcohol ethoxylates? A: BEO delivers higher temperature resilience, improved anti-corrosion, enhanced solubility, and lower foam, making it superior in challenging process environments. 10. Delivery, Warranty, and Customer Support Lead time: 10–14 days for standard grade; custom specs: 21–35 days. Quality Assurance: 2-year shelf life for factory-sealed drums. Post-sale replacement/credit notes for verified quality issues. After-sales: 24h multilingual support team; technical engineering available for process audits. Documentation: Full MSDS, COA, and shipping certifications with each order. Sample Policy: Free technical samples (500g–1kg), shipping at buyer’s cost. 11. Industry Trends & EEAT Commitment As global industries pursue sustainability and efficiency, demand for butynediol ethoxylate continues to rise. Current trends per Chemical Weekly (Vol.72, 2024) reveal a CAGR of 7.8% (2021–2024) in high-end surfactants, with the bulk of growth propelled by environmental legislation, technological advancement, and the increased adoption in water treatment and petrochemical sectors. BEO by Moneidechem has emerged as a market leader due to superior batch consistency, customization, and recognized international certifications. EEAT Commitment: We provide only 100% verified product data, publish third-party certification scans, and support all claims with test reports upon request. Major global players (BASF, Lonza, Petronas, China BlueChemical) have adopted BEO with proven safety and performance improvements. References & Further Reading: "Advances in Polyether Surfactants," Journal of Surfactants and Detergents , Vol.27(2), 2024, Read online "Market and Applications of EO Derivatives," Chemical Weekly , Vol.72, 2024. Industry Forum "ISO/ANSI standards for industrial surfactants," ISO/TC 91 standards library , ISO Technical Committee 91 Best Practices for Water Treatment Chemicals, WaterWorld Magazine, Industry Portal