二乙烯酮 structure

二乙烯酮

TL;DR: 二乙烯酮 (CAS 674-82-8) is a chemical compound with molecular formula C4H4O2 and molecular weight 84.02 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

二乙烯酮

4-methylideneoxetan-2-one

Also Known As: Diketene, ACETYL KETENE, 4-Methylene-2-oxetanone, Ethenone, dimer, 2-Oxetanone, 4-methylene-

CAS: 674-82-8
Molecular Formula C4H4O2
Molecular Weight 84.02 g/mol
LogP 0.3
Topological Polar Surface Area 26.3 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 2
Rotatable Bonds 0
Exact Mass 84.021126
Heavy Atoms 6
Complexity 104.0
Melting Point -6.5 °C
Boiling Point 127 °C
Density 1.0877 g/cu cm at 20 °C
Solubility Very slightly soluble in water in which it decomposes slowly
Flash Point 33.9 °C (NFPA, 2010)
Vapor Pressure 10.7 [mmHg]
Refractive Index 1.4342 at 23 °C

Chemical Identifiers

CAS Number 674-82-8
SMILES C=C1CC(=O)O1
InChIKey WASQWSOJHCZDFK-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 22 IPC patent classification(s) across the SureChEMBL global patent database.

Agrochemicals (166 patents) Analytical Reagents (81 patents) Biotechnology (143 patents) Catalysts (71 patents) Coatings & Adhesives (423 patents) +17 more

Product Overview

二乙烯酮 (CAS 674-82-8), with molecular formula C4H4O2 and molecular weight 84.02 g/mol. IUPAC: 4-methylideneoxetan-2-one.

🧪
Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
View MSDS →

Chemical Property Profile of 二乙烯酮

XLogP
0.3
TPSA (Topological Polar Surface Area)
26.3
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
6
Complexity
104.0
Exact Mass
84.021126
Monoisotopic Mass
84.021126
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of 二乙烯酮

The XLogP value of 0.3 suggests moderate lipophilicity, balancing water solubility and membrane permeability for 二乙烯酮. With a topological polar surface area (TPSA) of 26.3 Ų, 二乙烯酮 exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 二乙烯酮 has 0 hydrogen bond donor(s) and 2 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of 二乙烯酮?

The CAS number of 二乙烯酮 is 674-82-8.

What is the molecular formula of 二乙烯酮?

The molecular formula of 二乙烯酮 is C4H4O2.

What is the molecular weight of 二乙烯酮?

The molecular weight of 二乙烯酮 is 84.02 g/mol.

Where can I buy 二乙烯酮?

You can request a quote for 二乙烯酮 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 二乙烯酮?

Yes, KEHONG BIO provides custom synthesis services for 二乙烯酮 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

🤖 科弘生物 AI 助手 ×
您好!我是 科弘生物 AI 助手。可以问我产品搜索、询价、样品或技术问题。如何帮助您?