Diethyl malonate (DEM) is a colorless, fragrant liquid vital in organic synthesis. Used as an intermediate for pharmaceuticals (e.g., sulfonamides, barbiturates), agrochemicals (sulfonylurea herbicides), and food fragrances (fruit essences). Its active methylene group enables key reactions like alkylation. Also serves as a solvent and GC stationary phase. Boiling at 199°C, it's widely used in dyes and plastics, balancing versatility and stability in chemical production.

Overview
Product name   :  Diethyl malonate  
CAS No.   : 105-53-3
Molecular Formula   :   C7H12O4
EINECS  NO. : 203-305-9
 

200kg/drum

Pharma-ceuticals :
Key intermediate for synthesizing sulfonamides (antibiotics), barbiturates (sedatives), and fluoroquinolone antibiotics (e.g., norfloxacin, lomefloxacin).

Agrochemicals :
Used in producing sulfonylurea herbicides (e.g., bensulfuron-methyl, nicosulfuron) via its role in forming 2-amino-4,6-dimethoxypyrimidine intermediates.

Fragrances & Food Industry :
Approved as a food fragrance (GB 2760-96) to formulate fruit-like essences (pear, apple, grape, cherry).

Organic Synthesis :
Facilitates alkylation, condensation, and esterification reactions via its active methylene group. Critical for synthesizing barbituric acid, ethoxymethylene derivatives, and alkyl malonates.

Industrial Applications :
Solvent for resins and nitrocellulose; plasticizer in polymers.
Gas chromatography stationary phase (max temp. 40°C, with solvents like benzene or ethanol).

Dyes & Pigments :
Intermediate in producing benzimidazolone-based organic dyes and pigments.

Huashihang Chemical Group is China leading chemical company.

Jinan Huashihang Chemical Co., Ltd is its sales company with import and export authority. The company was founded in 2004, located in Jinan City, Shandong, China. It started from a small village collective factory, but has now developed into a large private enterprise group with a complete industrial chain.

Being focused on the research, development, production, trade and service of chemicals, Hushihang chemical is a specialized manufacturer and supplier of  fine chemicals ,  cosmetic materials ,   daily chemicals   and   food additives .

The company has established a documented system consisting of manual, procedures and instructions, based on the requirements of ISO 9001:2008. The quality policy has been established, understood and maintained. Products are inspected to ensure their suitability to the requirements, and released for delivery only after checking the fulfillment of all specified requirements.

 

 

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Q1: Could you offer sample?
A1: Yes,sample is available. We can send samples by couriers or air as client's requirements.

Q2: What is MOQ?
A2: It usually does not have MOQ requirement. We will offer the most cost-effective solution including price and delivery way according to purchasing quantities.

Q3: What is the delivery time?
A3: For non-hazardous,it usually has stock. It can be sent within 7 days. For hazardous chemical,it may be 1~2 weeks. If it is our regular product, the time will be earlier.

Q4: Can you provide relevant documents?
A4: Of course. Bill of loading,Commercial Invoice, Packing List, Origin of Certificate , insurance, COA and SDS are available. Besides, we can offer other documents Certificate of Fumigation, documents approved by CCPIT or Consulate,etc.

Q5: Do you accept third party inspection?
A5: Yes,we do.

Q6: What is your payment term?
A6: TT,LC,Paypal,Western Union, ACH wire are available.

Q7: Is DDU or DDP available?
A7: Yes.

Q8: Could you look for other products on China market and coload one container?
A8: Yes. We have warehouse support to accomplish this.