<delect id="lvhab"></delect>
<delect id="lvhab"><noframes id="lvhab">
        <delect id="lvhab"><div id="lvhab"></div></delect>
              <label id="lvhab"><div id="lvhab"></div></label>
                  <label id="lvhab"><noframes id="lvhab">
                  <label id="lvhab"></label>
                    <delect id="lvhab"><div id="lvhab"></div></delect>



                        • Vinylmagnesium chloride solutionchlorovinylmagnesium

                          Molecular formula:CH2=CHMgCl    
                          Purpose:pharmaceutical intermediates
                          appearance:(yellow liquid)   
                          Packing:100KG cylinder


                          Read more
                        • Pinacol

                          Alias: 2,3-Dimethyl-2,3-butanediol; 2,3-Dimethylbutane-2,3-diol; Pinacone;
                          Appearance: White crystal
                          Content: 99%
                          Molecular formula: HOC(CH3)2C(CH3)2OH
                          Molecular weight: 118.17

                          Read more
                        • Morpholin-3-one

                          Appearance: White acicular solid

                          Content: 99%

                          Molecular weight: 101.1039 

                          Molecular formula:  C4H7NO2

                          Read more
                        • 4-chloropyrrolopyrimidine

                          Chinese name: 4-chloropyrrolopyrimidine

                          English name: 4-Chloropyrrolo[2,3-d]pyrimidine

                          Chinese alias: 4-chloropyrrolo[2,3-d]pyrimidine; 6-chloro-7-deazapurine; 6-chloro-7-azaindole; 4-chloropyrrole[2,3-d]pyrimidine;

                          English alias: 4-Chloro-1H-pyrrolo[2,3-d]pyrimidine; 6-Chloro-7-deazapurine; 4-chloro-7H-pyrrolo[2,3-d]pyrimidine; 3H-pyrrolo[2,3 -d]pyrimidin-4(7H)-one; 4-methyl-1,3-thiazole-2,5-diamine

                          CAS No.: 3680-69-1

                          Molecular formula: C4H7N3S

                          Molecular weight: 129.1835
                          Read more
                        • L(+)-Lactic acid

                          Chinese Name: L-lactic acid

                          Chinese alias: l-anhydrous lactic acid

                          English Name: l (+) - lactic acid

                          English alias: (s) - (- +) - 2-hydropanoic acid; L(+)-Lactic acid solution; L-Lactic acid, free acid; lactate standard 40 mg/dl; L(+)lactic acid free acid sigmaultra; L-Lactic acid; (S)-2-Hydroxypropionic acid



                          Molecular formula: C3H6O3

                          Boiling point: 125 ℃

                          L-lactic acid is an organic acid refined from corn starch through biological fermentation. It is a colorless, clear and viscous liquid, and the aqueous solution is acidic. It can be freely mixed with water, ethanol or ether and is insoluble in chloroform. Because of its left-handed characteristics, it has good biocompatibility, can be compatible with mammals, can directly participate in human metabolism, without any side effects, and is widely used in food, medicine and other fields;

                          Main uses: it can be used in fruit wine, beverage, meat, food, pastry production, pickle of vegetables (olives, cucumbers, pearl onions), canned processing, grain processing and fruit storage. It has the functions of adjusting pH value, bacteriostasis, extending shelf life, seasoning, maintaining food color and improving product quality.

                          Read more
                        • Poly(lactic acid) (Low M.Wt.)

                          Bending modulus: 100-150 MPa

                          CAS NO.:26100-51-6

                          Tensile strength: 40-60 MPa

                          Elongation at break: 4-10%

                          Elastic modulus: 3000-4000 MPa


                          Polylactic acid (PLA) is a new type of biodegradable material, which is made from starch raw materials proposed by renewable plant resources (such as corn). Starch raw materials are made into lactic acid through fermentation, and then converted into polylactic acid through chemical synthesis.


                          Application: extrusion grade resin, mainly used for fresh fruit packaging; Secondly, it is used in the packaging of electronic products that promote safety, energy saving and environmental protection. In addition, the application of extrusion grade resin in Horticulture has also begun to get attention. At present, it has been applied in slope greening, sand storm control and other fields.

                          Read more
                        • Polyimide






                          yellow transparent liquid

                          solid content (%)






                          tensile strength


                          ≥ 100

                          elongation at break


                          ≥ 50

                          surface resistivity (200 ℃)



                          volume resistivity (200 ℃)

                          Ω& nbsp;& middot; m


                          power frequency electrical strength



                          relative dielectric strength 48-62hz


                          ≤ 3.0

                          dielectric loss factor 48-62hz


                          ≤ 4.0× 10-3

                          Read more
                        • Polyether ether ketone

                          English Name: polyether ether ketone


                          Molecular formula: c19h14f2o3

                          Density: 1.26-1.32 g / cm3

                          Melting point: 335-340 ° C

                          Refractive index: 1.507, 1.732, 1.936

                          Polyether ether ketone (PEEK) is a high polymer composed of a repeating unit containing one ketone bond and two ether bonds in the main chain structure, which is a special polymer material. It has physical and chemical properties such as high temperature resistance and chemical corrosion resistance. It is a semi crystalline polymer material, which can be used as high temperature resistant structural material and electrical insulation material, and can be compounded with glass fiber or carbon fiber to prepare reinforcement materials. Generally, a class of polyarylene ether polymers obtained by condensation with aromatic binary phenols are used. This kind of material has been widely used in aerospace field, medical equipment field (as artificial bone to repair bone defects) and industrial field.

                          Read more
                        • Resveratrol

                          Specification: 99%,98%,95%,90%,60%,50%,20%

                          Chemical Name:
                          · trans-3,4,5-Trihydroxystilbene (3',4',5-Trihydroxystlbene)
                          · (E)-5-[2-(4-hydroxyphenyl)-vinyl]-1,3-hydroquinone
                          · (E)-5-[2-(4-hydroxyphenyl)etheyl]-1,3-benzenediol
                          · (E)-3,5,4'-trihydroxy stilbene

                          Molecular Formula: C14H12O3
                          Molecular Weight: 228.25
                          Performance: No smell, white powder, total soluble in alcohol

                          Function and usages
                          It can prevent the oxidation of low density lipoprotein and has potential function of prevention and control of cardiovascular disease, prevention cancer, anti-viral and .mmune regulation. Its main function is anti-oxidative activity.
                          In detail, resveratrol has following functions:
                          It controls platelet aggregation, reduces heart disease and controls heart disease.
                          It regulates blood cholesterol levels.
                          Antibacterial action
                          Anti-cancer effect
                          Anti-aging function

                          Read more
                        37 Records 12345


                        About us



                        Contact us

                        Contact us

                        Hunan Dacheng Medical Chemical Co., Ltd.
                        Add : Lengshuijiang City, Hu'nan, China.
                        Tel : +86-738-5276519   5276510
                        Contact : Mr.Tang   +86-13607387586
                        URL : www.pola09.com

                        SCAN CODE

                        Copyright(C)2021,Hunan Dacheng Medical Chemical Co., Ltd. All Rights Reserved. All Rights Reserved.?
                        Supported by?ChemNet?ChinaChemNet?Toocle?31fabu?Copyright Notice
                        <delect id="lvhab"></delect>
                        <delect id="lvhab"><noframes id="lvhab">
                              <delect id="lvhab"><div id="lvhab"></div></delect>
                                    <label id="lvhab"><div id="lvhab"></div></label>
                                        <label id="lvhab"><noframes id="lvhab">
                                        <label id="lvhab"></label>
                                          <delect id="lvhab"><div id="lvhab"></div></delect>