Verified batches ready for international dispatch, complete with dual-tier analytical validation.
A precision-oriented linear diol serving as a mission-critical precursor across specialized polymers, solvents, and API development.
| Critical Parameter | Industrial Synthesis Grade | Electronic / Ultra-Pure Grade | Analytical Standard Target |
|---|---|---|---|
| Assay Purity (GC/FID) | ≥ 99.50% | ≥ 99.90% | ≥ 99.98% |
| Water Content (Karl Fischer) | ≤ 0.05% (500 ppm) | ≤ 0.02% (200 ppm) | ≤ 50 ppm |
| Color Value (APHA / Hazen) | ≤ 10 max | ≤ 5 max | ≤ 5 max |
| Boiling Point Range | 228°C - 230°C | 228°C - 229.5°C | 228°C (Sharp) |
| Trace Metals (ICP-MS) | Total < 10 ppm | Individual < 100 ppb | Individual < 10 ppb |
B2B procurement demand profiles for CAS 110-63-4 across dynamic manufacturing verticals.
Acts as an indispensable chain extender in high-performance thermoplastic polyurethanes (TPU). Enables exceptional tensile strength, microcellular flexibility, and abrasion-resistant coatings in performance automotive parts and heavy industrial elastomers.
Polycondensation with dimethyl terephthalate yielding PBT engineering plastics. Procurement teams require tightly regulated carboxyl and hydroxyl numbers to maintain thermal resistance in electronics casing and high-voltage automotive connectors.
Serves as the raw feedstock for tetrahydrofuran (THF) and gamma-butyrolactone (GBL) ring-closure production. Demanded by lithium-ion battery electrolyte processors and pharmaceutical synthesis centers that mandate strict distillation thresholds.
Comparative structural routes: Reppe Ethynylation vs. Maleic Anhydride vs. Bio-Fermentation.
The established standard: catalytic ethynylation of formaldehyde with acetylene over modified copper-bismuth catalysts yielding 1,4-butynediol, followed by two-stage high-pressure hydrogenation. Demands rigorous continuous fractionating column control.
Esterification of maleic anhydride with lower alcohols followed by low-temperature vapor-phase hydrogenolysis over copper-chromium oxide catalysts. Ideal for producing diols with near-zero trace carbonyl impurities.
Direct single-step fermentation of renewable dextrose feedstocks using genetically engineered microbial strains. Reduces the carbon footprint by over 50% compared to fossil routes while complying with ESG regulatory mandates.
Full cross-border clearance frameworks tailored for industrial diol shipments.
Full REACH dossier registration for unrestricted European Union distribution. Rigorous adherence to chemical diversion control, end-user declaration (EUD) verification, and GHS-compliant 16-section Safety Data Sheets.
End-to-end logistics solutions equipped with verified dangerous goods declarations. Seamless coordination through global hubs with pre-cleared tariff lines, preventing port demurrage and regulatory delays.
Dual-custody verification standard: Every container batch undergoes internal GC-MS/HPLC lot sampling complemented by third-party testing (SGS, Intertek) upon buyer request to guarantee chemical integrity.
Essential guidance addressing quality release criteria, stability, and international supply operations.
Our standard manufacturing specification meets a minimum of 99.50% gas chromatography assay purity. Electronic and specialized polymer grades can be delivered at ≥99.90% purity with guaranteed water content below 200 ppm, confirmed via Karl Fischer coulometry.
1,4-Butanediol is highly hygroscopic. Material is packaged under dry nitrogen blanket conditions inside heavy-gauge, anti-corrosive ISO tanks or epoxy-coated steel drums (200kg net), ensuring that ambient humidity cannot compromise moisture targets during transport.
Every commercial dispatch is accompanied by an authentic Certificate of Analysis (COA) with actual test numbers, FTIR spectrum match verification, GC-FID chromatograms, technical data sheets (TDS), and standard GHS compliant safety documentation.
We work exclusively with authorized corporate buyers and verified downstream converters. We coordinate verified export permits, validate declarations, and operate in compliance with dual-use precursor safety tracking frameworks across global jurisdictions.
Synthesized under validated conditions, fully characterized for R&D and pilot applications.
