4-Hydroxy-2-butanone CAS# 590-90-9

4-Hydroxy-2-butanone, Promotion Season Now in Store and Free Sample for Testing with Factory Price
  • Appearance: pale yellow color liquid
  • Assay: 95.7%min
  • Packaging: 200L galvanized iron drum
  • Sample: Available

Quality Control of 4-Hydroxy-2-butanone

Chemical Structure
4-Hydroxy-2-butanone CAS# 590-90-9
Packing of 4-Hydroxy-2-butanone

Description of 4-Hydroxy-2-butanone

4-Hydroxy-2-butanone is used in the synthesis of fused benzazepine molecules as selective D3 receptor antagonists with pharmaceutical activity. In addition, it is used in the preparation of various hydroxy-substituted quaternary carbon centre compounds.

Basic Info of 4-Hydroxy-2-butanone

Basic Info

Chemical Name



2-Butanone, 4-hydroxy-;4-Hydroxy-2-butanone;



Molecular Formula


Molecular Weight






Numbering system




Safety Info

Safety Statements


HS Code



UN 1993

Risk Statements




Appearance & Physical State

Colorless and transparent liquid



Boiling Point

73-76ºC (12 mmHg)

Flash Point


Refractive Index



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What is 4-Hydroxy-2-butanone?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is 4-Hydroxy-2-butanone which has developed particularly rapidly in recent years. Do you know about 4-Hydroxy-2-butanone?


The official answer:4-Hydroxy-2-butanone is a chemical substance that is obtained by the reaction of acetone and formaldehyde. The formaldehyde solution is mixed with acetone at 1:30 (w/w) and sent to a pipeline reactor at 51-53°C with a residence time of 3-4 min. In the production of methyl vinyl ketone, an intermediate of vitamin A, the resulting 4-hydroxy-2-butanone reaction solution is used directly in the next process and dehydrated with oxalic acid to obtain methyl vinyl ketone. The component used for the trapping of bark beetle powder, in complex with Ziegler-Natta catalyst, was used as a catalyst for the stereospecific polymerization of butadiene and as an intermediate in organic synthesis.

What’s the application of 4-Hydroxy-2-butanone?

Components for bark beetle powder trapping, complexes with Ziegler-Natta catalyst for stereospecific polymerization of butadiene, and intermediates for organic synthesis

Use water mist, dry powder, foam, or carbon dioxide extinguishing agents to extinguish fires.

Avoid using direct running water to extinguish the fire, which may cause the splashing of combustible liquids and spread the fire.

Contain the spill to avoid contaminating the environment. Prevent spills from entering sewers, surface water, and groundwater.

Reception and removal methods for spilled chemicals and disposal materials used.

Small spills: Collect spilled liquid in a sealable container if possible. Absorb with sand, activated carbon, or other inert materials and move to a safe place. Flushing into sewers is prohibited.

Large spills: Construct an embankment or dig a pit to contain it. Seal drainage pipes. Cover with foam to inhibit evaporation. Transfer to a tanker or special collector with explosion-proof pump, recycle or transport to waste disposal site.


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United Kingdom Giles
United Kingdom Giles
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Peter has been my partner for many years, we met at the Shanghai CPHI Fair in 2014, for the first time I didn't have much interest in Peter's products because our company had a stable supplier. Although we didn't work together, Peter would often send me important news and interesting trend information about the industry, so we became good friends, even though I didn't place any orders with him during this time, even if it was a sample order. In September 2016, our original supplier was unable to provide us with the quality and delivery guarantees we needed, so I first thought of Peter and his company. Until now, we have maintained a very good personal friendship in addition to a steady business relationship.
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Canada Kate
Canada Kate
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I just got the product. The quality is awesome. I’m very happy. Hope to place soon a new order in your company. Also wish for our future business.
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Mexico Gonzalo
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Great service and very supportive. This is my first order and I feel fortunate to be with Peter and his company. Product received was the right good quality product, so my review is more related with the quality, service and shipment. Thank you for sending. next time I will order again. Good supplier...