1. 江苏远洋药业股份有限公司

                    Jiangsu Yuanyang Pharmaceutical Co., Ltd.

                  2. Products

                    "Advanced process, first-rate products, perfect service" as Yuanyang's firm principle in business.

                    4-Aminobutyric acid

                    Cas. No.: 56-12-2
                    Other Name: Gamma Aminobutyric acid, г-Aminobutyric acid , г-amino-n-butyric acid.
                    Formula: C4H9NO2
                    Structural Formula: NH2C3H6COOH
                    Molecular Weight: 103.12

                    Specifications:

                    Item

                    Specification

                    Appearance

                    White needle crystal or crystalline powder

                    Assay

                    99.50% min

                    Clarity of Solution

                    Colourless and clear

                    Loss and Drying

                    0.2% max

                    Calcined Residue

                    0.1% max

                    Heavy Metals(Pb)

                    10ppm max

                    As

                    2ppm max

                    pH

                    6.5~7.5

                    Melting point

                    197~204°C

                    Characteristic:  white crystalline hygroscopic powder, a slight characteristic odor, hygroscopic, soluble in water and soluble slightly in thermal alcohol, insoluble in cool alcohol, ether or benzene.
                    Packing: 25kg/carton/drum
                    STORAGE: Be stored in cool, dry place, free from toxic or harmful goods when be stored and delivered.

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