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Succinic Acid


Description

At room temperature, pure succinic acid is a solid that forms colorless, odorless crystals. It has a melting point of 185 °C and a boiling point of 235 °C. It is a diprotic acid. The carboxylate anion is called succinate and esters of succinic acid are called alkyl succinates.

Physical-chemical properties

Other names

Amber Acid

Molecular Formula

C2H4(COOH)2

Molecular Weight

118.09

CAS

110-15-6

Applications

Succinic acid is a precursor to some specialized polyesters. It is also a component of some alkyd resins.

Succinic acid is used in the food and beverage industry, primarily as an acidity regulator. 

In nutraceutical form as a food additive and dietary supplement, is safe and approved by the U.S. Food and Drug Administration. As an excipient in pharmaceutical products it is used to control acidity and, more rarely, in effervescent tablets.

Succinic acid is an important biochemical intermediate that occurs in all living creatures. Like other simple mono- and dicarboxylic acids, it is not considered dangerous, although it is a skin irritant.

Specification

Parameter

Superior Product

Qualified Product

Appearance

Colorless or white crystals

Colorless or white crystals

Content (%)

Min.99.5

Min.99.3

Fusion point(degrees Celsius)

185-190

182-190

Heavy metal(as Pb) (mg/kg)

Max.20

----

Sulphate (as SO4) (%)

Max.0.02

Max.0.02

Iron (as Fe) (%)

Max.0.001

Max.0.001

Chloride (as Cl) (%)

Max.0.0005

Max.0.0005

Ignition residue(%)

Max.0.025

Max.0.025

Arsenic (as As) (%)

Max.3

-----

Readily oxidizable substance  (ml/g)

Max.1.0

Max.1.0

Aqueous solution

Colorless and transparent

Colorless and transparent

Packing

Net 25kgs per paper bag or according to client,s request





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