1. Used as an analytical reagent, such as a non-aqueous titration solvent. Also used as curing agent of epoxy resin and organic synthesis and polymer polymerization.

2. For non-aqueous titration. Complexone. Determination of antimony, bismuth, cadmium, cobalt, copper, mercury, silver and uranium. Used as curing agent of epoxy resin, solvent for protein and fibrin.

3. Used in organic synthesis and preparation of pesticides, reactive dyes, medicines and epoxy curing agents.

4. Ethylenediamine is a good alkali and reduction reagent, which can form complexes with metal ions and serve as modules for chain extension. It can also be used to prepare imidazoline, pyrazine, 1, 4-diazo derivatives, large ring containing N2n and other heterocyclic compounds.

5. Ethylenediamine is used as solvent in electrochemistry and analytical chemistry. Due to its strong affinity to carbon dioxide, hydrogen sulfide, carbon disulfide, mercaptan, sulfur, aldehyde, phenol, etc., it can be used for the refining of gasoline additives, lubricating oil, fish oil, mineral oil and alcohol. In addition, it is also used as the solvent of fiber and protein, the curing agent of epoxy resin and the raw materials of medicine, pesticide, dyestuff, textile finishing agent, metal chelating agent, preservative, ion-exchange resin, latex stabilizer, rubber vulcanization accelerator and antifreeze

Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals 

and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system 

all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.

Q2: How to contact with us?
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.

Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account

Q4:Can you give me a discount price?
Surely,It depend on your qty

Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.

Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.

If you are interested,welcome to contact with us.
Pls send message if you are interested,click "send" as below ^.^