General Reagents

N,N-DimethylformamideHPLC SpecificationItemQualificationItemQualificationPurity, %≥99.8Optical testDensity (20°C)g/ml0.944~0.952λ(nm)AbsorbencyRefractive index(n20/D)1.429~1.431270≤1.0Boiling range(°C)152.0~154.0295≤0.1Evaporation residue ,%≤0.003340≤0.005Moisture...

perchloroethyleneCAS No.: 127-18-4Molecular formula: C2Cl4 MW: 165.82Physical and Chemical PropertiesMain components: pureAppearance: colorless liquid, with chloroform-like odor.Melting point (): -22.2Boiling Point (): 121.2Relative density (water = 1): 1.64Relative vapor density (air = 1):...

Technical Description:Lignin can be widely used in construction, ceramics, mineral powder, chemical industry, metallurgical industry, petroleum industry, fire-retardant materials, and CWS dispersion agent.AppearanceLight Brown PowderReducing Sugar Content (%)≤5Water Insoluble Substance(%)≤2pH...

3-Chlorocarbonylacrylic acid ethyl esterMolecular Formula C6H7ClO3Molecular Weight 162.57Density 1.220Boiling point 218 ºCFlash point 93 ºC

1. Brief introductionAmmonium polyphosphate’s (APP) molecular formula is(NH4PO3)n, n>1000. As inorganic chain polymer, there's P-N collaboration effect because of high phosphorus and nitrogen content, so it has excellent fire retardant effect. It has good heat stability (decompounding...

DED can be used as solvent for crylic acid resin,methyl crylic acid resin,epoxy resin,nitryl cellulose and ethylene cellulose as well as extraction agent for medicine industry,lubricant additive,paint deleting agent,paint etc.

Applicationan important chemical raw material, Its main applications are as follows: 1. Industrial Class: Lubricant refining; Electrical insulant; Pesticide accessory ingredient; High-class coating, printing ink, pigment;ect.2.Fiber Class: Concentrate the acetylene; Extracte the butadiene,...

1.welding rodsCoatings are applied to welding rods or electrodes to act as a flux and to control the conditions in the immediate vicinity of the weld, such as temperature or oxygen and hydrogen availability. The dry ingredients of the coating are mixed with sodium silicate (water glass) which gives...

Potassium Methylate is mainly used as condensation agent, Strong Alkali Catalyst in producing Methyl Formate and DMF; Raw material of Sulphadiazine, Vitamin A; Catalyst in treatment with edible fat and edible oil; Tanning agent for leather; and used as analysis Reagentspecifications(Enterprise...

It is flammable and explosive,and brings high temperature and glaring light when burning.Therefore,Mg powder is wisely used in such scientific area as war industry and aviation industry. The chemical performance of Mg is very active,which is mostly used in metallurgical industry.Mg powder can sever...

Chemical Name: creatine monohydrateCas No: 6020-87-7Quality Standard:In-houseMolecular formula : C4H11N3O3.H2OMolecular Weight:149.15Assay:≥99%Packing:25kg/drumPrice electricity discussion or E-mail inquiries

acetonitrileTest ItemStandardTest ResultAppearancecolourless clear liquidcolourless clear liquidColor(Pt-Co)10 max.8Density(20 g/cm3)0.780-0.7850.782Purity(G.C)99.90% min.99.9977%Water0.03% max.0.02%Acidity(as acetic acid)0.005% max.0.0023%Ammonia0.0006% max.0.00058%Acetone0.005% max.None...

It is shortest carbon chain of the available xanthates.It is most useful on sulpohide ore and complex ore for maximum selectivity,and it is used as vulcanization accelerator for rubber industry as well as precipitant in wetting metallur gical industry.

VCappearance: white crystals or crystalline powderassay: 99.0% ~ 100.0%package; 25 kg/bagVitamin C, also named Absorbic Acid. The human body is unable to store Vitamin C and unless replenished constantly, symptoms, the most commonly known of which is scurvy that can become fatal, will quickly...

Sodium phosphate dibasicwhite powderpH(14g/L,25 degree) 9.1∼9.4clarity of solution: passes testloss on drying <=0.2%substances insoluble in water <=0.01%heavy metals (as Pb) <=0.001%chloride(Cl) <=0.004%total nitrogent(N) <=0.002%sulfate(SO4) <=0.01%As <=0.001%Fe...

Name:O-Isopropyl-N-Ethyl Thionocarbamate Brand:Z-200 Formula:(CH3)2 CHOC(S)NHC2H5 M.W. :147.25 Grade:IndustrialDescription:Yellowish oily liquid Sp.gr.:D420 =0.990-0.994 Insoluble in water,very soluble in ethyl alcohol,ethyl ether,benzene,petroleum ether etc.,and with slight pungent smell...

Name:Sodium FormateOther Name:Formic AcidFormula:CHNaO2 CAS No.:141-53-7EINESC No.:205-488-01. Technical standard a. Property: White granular or crystal powder, slightly hygroscopic, density 1.919, solving point 253`C, soluble in water, slightly soluble in ethyl alcohol, insoluble in ether.b....

Just like MERCK, Sigma, etc. We are mainly active in producing almost a thousand of kinds of products,such as:General reagent, primary reagent,i nstruments analytic reagent, biochemical reagent, organic synthesized reagent and electronicgrade reagent;catalysts, pharmaceutical excipients, imaging...

Industrial Grade

Trypsin-Chymotrypsin 1250Source: Bovine PancreaseGeneral descriptionTrypsin-Chymotrypsin is the co-crystal of Chymotrypsin and Trypsin so it has the properties of both. The activity of hydrolyzing casein is as much as Chymotrypsin. But the activity of its Chemotrypsin to hydrolyze...