Name：1-Penten-3-One
Cas: 1629-58-9
Purity: 99%
MOQ: 1KG
1-Penten-3-One is an unsaturated ketone that belongs to the aliphatic group of ketenes. The molecule is composed of a five carbon chain with a double carbon-carbon bond between carbons 1 and 2. Carbon 3 forms a keto-carbonyl group when combined with oxygen. The two adjacent unsaturated group form a conjugated ring system. It has both the alkene addition activity (such reactions with hydrogen and halogens) and the ketone chemical behavior (such reactions with nucleophiles), which makes it a highly-reactive intermediate in organic synthesis.
1-Penten-3-One is a transparent, colorless liquid that ranges from pale yellow to white. It has a low density, moderate boiling point and moderate volatility at normal room temperature. This makes it easy to distill. It has a pungent and distinctive odor that increases in concentration. It is miscible in a wide range of organic solvents but it has a low solubility with water. It is rarely found in nature, and it is mostly obtained by chemical synthesis. This is often done via condensation reactions between simple aldehydes or ketones. To ensure purity, controlled reaction conditions must be used.
| Melting point | 59-61 °C |
| Boiling point | 38 °C/60 mmHg (lit.) |
| density | 0.851 g/mL at 20 °C 0.845 g/mL at 25 °C (lit.) |
| refractive index | n20/D 1.419(lit.) |
| FEMA | 3382 | 1-PENTEN-3-ONE |
| Fp | 20 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Sparingly), Methanol (Slightly) |
| form | Liquid |
| color | Clear colorless to amber |
| Odor | at 1.00 % in propylene glycol. pungent peppery mustard garlic onion |
| Odor Type | spicy |
| biological source | synthetic |
| Water Solubility | Insoluble in water; soluble in most organic solvents. |
Directory Guidance on 1-Penten-3-One
⇒We provide high-purity chemical raw materials with clear molecular formula and precise specifications. Each batch of 1-Penten-3-One products undergoes strict quality inspection to ensure stable and reliable physical and chemical properties. It adopts international standard packaging, sealed and moisture-proof, to ensure safe transportation and storage. Whether it is R&D experiments or industrial production, we can provide you with professional technical support and customized services. With rigorous technology, transparent data and stable supply, we help you efficiently complete chemical applications and innovations.
Its conjugated structure makes 1-Penten-3-One an excellent intermediate for organic synthesis. This allows the creation of many functional molecules. In the chemical industry, it is used to copolymerize polymer materials to add new properties. It is used in scientific research as a model for understanding reaction mechanisms. Its application value is largely determined by the synergy of molecular and structural properties. It is a chemical material that bridges basic research and industrial applications.
Its conjugated structure has made 1-Penten-3-One a key intermediary for the construction of complex molecules. Ketocarbonyl group can undergo condensation reaction with amine compounds in order to form imine structure, providing an easy pathway to prepare nitrogen-containing heterocyclic compound. In the synthesis for certain biologically-active pyrroles, 1-Penten-3-1 can build a five-membered heterocyclic structure in one step by cyclization reactions with hydrazine compound, greatly reducing the number of synthesis steps. It can also be used in Michael additions, as well as binding with nucleophilic compounds such as ethyl-cyanoacetate. This allows it to produce multifunctional compounds that are useful for the production of fine chemicals, such as spice and dye intermediates.
As a monomer that is reactive, 1-Penten-3-1 plays a key role in the modification of polymer materials. It can also be copolymerized using acrylic monomers to create a network structure that can improve the mechanical strength and solvent resistance of the polymer. When producing special coatings, a small amount 1-Penten-3 One copolymer can be added to the resin. This will enhance adhesion of the coating with the metal surface. The ketone-carbonyl group of this resin can also react with the amino groups in the curing agents to form a dense, weather resistant coating.
Due to its characteristic structure and representative behavior, 1-Penten-3-One is a good model compound for studying the mechanisms of organic reactions. Researchers studied the stereochemistry in conjugated addition reactions and traced the intermediate configuration between 1-penten-3-1 and Grignard Reagent. This helped to clarify the relationship between nucleophilic reagents and the stereostructure, and provided experimental evidence of chiral control for asymmetric synthesis. It can be used to study the mechanisms of free radical reactions. It can be added with radicals produced by peroxides and captured using electron paramagnetic spectroscopy. This allows researchers to visually demonstrate the chain-growth stage of the reaction. The simple structure of 1-Penten-3-One allows researchers to simulate the key steps of the synthesis of natural products. This helps them optimize the reaction conditions and reduce costs.
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Manufacturer of 1-Penten-3-One
Zhishang Chemical is based in Shandong, serves the whole country, faces the world, and is determined to become an excellent supplier and service provider in the chemical industry.
As a top manufacturer of cosmetic raw materials, disinfectants, flavors and fragrances in China, we are committed to producing high-quality products and have won high praise from customers all over the world.
In the next 10 years or even longer, Zhishang will always adhere to the tenet of quality first and reputation first, and devote itself to providing customers with thoughtful and perfect services.
As a professional 1-Penten-3-One manufacturer, Zhi shang Chemical has served more than 6,000 customers around the world. Because of our high-quality products and professional services, we have won high praise from most of our customers.
Pre-Sales Service
* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.
* The sample supports testing and inspection.
* Each batch of products will be tested to ensure that its quality meets user needs.
*Packaging can also be made according to customer requirements.
*Any inquiries will be answered by our relevant personnel within 24 hours.
*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.
After-Sales Service
*We will monitor the logistics information in real time and will share the information with you.
* You can consult us at any time if you have any questions about the product, and we will answer you in time.
*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.
DO YOU ACCEPT SAMPLE ORDER?
We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.
WHAT’S YOUR MOQ?
Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.
IS THERE A DISCOUNT?
Different quantity has different discount.
HOW TO CONFIRM WHETHER THE PRODUCT QUALITY MEETS OUR NEEDS BEFORE PLACING AN ORDER?
You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.
DO YOU SUPPLY PRODUCT REPORT?
Yes. We’ll give you product analysis report before shipping.
LEARN MORE ABOUT US
Shandong Look Chemical
1. For products ≤50kg, we recommend using express delivery, which is usually called DDU service (discounted, convenient).
2. For products ≤500kg, we generally recommend air freight, which is usually called FOB, CFR or CIF service (fast and efficient).
3. For products >500kg, we generally recommend shipping by sea, which is usually called FOB, CFR or CIF service (economical, safe).
4. For high-value products, please choose air or express to ensure the safety of product transportation.
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