Diethyl 1,1-cyclobutanedicarboxylate Bulk Supply for Industrial Use

China Factory Direct
CAS number 3779-29-1
Product name Diethyl 1,1-cyclobutanedicarboxylate
Stock Stock readily available; annual supply capacity exceeding 1,000 tons.
Grade Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeIndustrial Grade
Packaging 25L/drum200L/drum1000L/IBC
Sample Test Samples Available (Click to Request Samples)
COA View COA
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Supply Type Bulk / Contract manufacturing / OEM
Shipping FCL / LCL available
Payment Terms Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C).
Manufacturer Greenrock Chemical(China Factory)
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CAS No:3779-29-1
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Documents We Provide for Diethyl 1,1-cyclobutanedicarboxylate

COA TDS SDS NMR MOA Certificate of Origin Transport Report TSCA Declaration Production Flow Chart
Pre-sale: Only COA, SDS and NMR are available.
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Diethyl 1,1-cyclobutanedicarboxylate Supplier from China

17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.

Industrial Applications of Diethyl 1,1-cyclobutanedicarboxylate

Industry Application Process
Chemical Synthesis Organic synthesis intermediate for preparing functionalized molecules and fine chemicals Synthesis and transformation of ester compounds; commonly serves as a precursor to cyclobutane derivatives in multistep reactions
Pharmaceutical R&D Synthesis of active pharmaceutical ingredients (APIs) or intermediates, particularly in drug design incorporating cyclobutane motifs Construction of complex medicinal molecular scaffolds via hydrolysis, reduction, or coupling reactions of the ester group
Materials Science Monomer or crosslinker for polymer materials and functional polymers Participation in condensation or ring-opening polymerization to develop polymers with enhanced thermal stability and mechanical properties
Agrochemical Chemistry Synthesis of structurally specific agrochemical intermediates Selective functional group transformations to introduce insecticidal or herbicidal pharmacophores
Fine Chemicals Manufacture of dyes, fragrances, and specialty additives Raw material in transesterification, acylation, or cyclization reactions to produce target compounds

Manufacturing Quality Control of Diethyl 1,1-cyclobutanedicarboxylate

Detection Item Common Analytical Method Method Overview
Assay (Purity) Gas Chromatography (GC) with FID detection Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column.
Water Content Karl Fischer Titration (Coulometric) Electrochemical titration where iodine is generated in situ to react stoichiometrically with water; endpoint detected by current change.
Acid Value Acid-Base Titration (NaOH in ethanol) Neutralization of free carboxylic acid groups with standardized sodium hydroxide solution using phenolphthalein indicator.
Residue on Ignition Gravimetric Analysis (Weight Loss on Ignition) Measurement of non-volatile inorganic residue after controlled high-temperature ashing at 700-800 C.
Heavy Metals (as Pb) Atomic Absorption Spectroscopy (AAS) Quantification of total heavy metals after wet digestion, using lead as the surrogate metal and air-acetylene flame.
Chloride Impurity Ion Chromatography (IC) Separation and quantification of chloride anions on an anion-exchange column with suppressed conductivity detection.
Related Substances High Performance Liquid Chromatography (HPLC) with UV detection Separation and identification of structurally related impurities using reverse-phase C18 column and UV absorbance at 210 nm.
Color Visual Comparison (APHA/Hazen Scale) Subjective assessment of sample color intensity against platinum-cobalt standard solutions in a Nessler tube under controlled lighting.
Density Digital Density Meter (Oscillating U-tube) Determination of mass per unit volume at 20 C based on resonant frequency shift of a vibrating U-shaped glass tube filled with sample.
Refractive Index Refractometry (Abbe Refractometer) Measurement of light bending angle at air-sample interface at 20 C using sodium D-line (589 nm) illumination.
Residual Solvents (Ethanol, Ethyl Acetate) Headspace Gas Chromatography (HS-GC) with FID Quantitative analysis of volatile solvents after thermal equilibration in sealed vials followed by gas-phase injection.
Melting Point Capillary Melting Point Apparatus Determination of temperature range over which solid transitions to liquid, observed visually through calibrated capillary tube heating.

Technical Specifications of Diethyl 1,1-cyclobutanedicarboxylate

Test Item Specification
Appearance Colorless liquid
Purity >=98.0% (GC-MS)
Water Content (KF) <=0.5%
Total Impurities <=2.0%
Single Impurity <=0.5%
Identification (NMR) Consistent with structure
Refractive Index (n20/D) 1.435–1.445
Relative Density (20°C/25°C) 1.070–1.090 g/cm³
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com

Download COA of Diethyl 1,1-cyclobutanedicarboxylate

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NMR Spectra of Diethyl 1,1-cyclobutanedicarboxylate

Safety Information of Diethyl 1,1-cyclobutanedicarboxylate

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Packaging of Diethyl 1,1-cyclobutanedicarboxylate

We have a diverse range of chemicals in stock. Available in IBC (1000 ltr.), Drums (200 ltr.),Drums (25 ltr.).

Industrial Diethyl 1,1-cyclobutanedicarboxylate Procurement FAQ

1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.

2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.

3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.

4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.

5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.

6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.

7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.

8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.

9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.

Industrial
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Factory
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ISO 9001
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Samples
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