Mainly used for the preparation of succinic anhydride five heterocyclic compounds.
Also used to prepare the alkyd resin (alkyd resin produced by the succinic acid has good flex, elasticity and water resistance.), Paints, dyes (diphenyl succinate ester is a dye intermediates, and aminoanthracene after generating anthraquinone dye quinone reaction.), food flavoring agent (succinic acid can also be used as an acidulant wine, feed, candy and other seasoning.), photographic materials.
The pharmaceutical industry can use it to produce sulfa drugs, vitamin A, vitamin B and other anticonvulsants, loosen phlegm, diuretics and drugs to stop bleeding. As a chemical reagent, used as a standard method of alkali reagents, buffers, GC comparison samples. Also it is used as raw lubricant and surface active agent.
Used for synthesis of organic materials. Purpose: succinic acid has been identified as the GRAS (generally recognized as safe), which makes it possible for multiple purposes. It is the citric acid cycle (TCA) intermediates, but also one of succinic acid fermentation produt of anaerobic metabolism is widely used in medicine, pesticides, dyes, perfumes, paints, food, plastics and other industries, it can also be used as compound C4 platform , synthesis of some important chemical products such as butanediol, tetrahydrofuran, γ- butyrolactone, n- methylpyrrolidone (NMD), 2- pyrrolidone, market demand worldwide Chaoguo 276000 t / a. in addition, succinic acid also used to synthesize the biodegradable biopolymers, such as polybutylene succinate (PBS) and a polyamide, which makes the market demand for high succinic 27000000t / a.

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.

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