1,4,7,10-Tetrakis-(2-methoxyethyl)-1,4,7,10-tetraazacyclododecane Properties : Chelating properties stability in various conditions high solubility Ingredients : 14710tetraazacyclododecane derivative with methoxyethyl functional groups Appearance : White to offwhite crystalline powder Poisonous : NO Shape : other, Crystalline Storage : Other, Store in a cool dry place away from direct sunlight Usage : Laboratory reagent ligand in catalysts and chemical intermediate Grade : Research grade Solubility : Soluble in water and organic solvents Application : Other , Used in chemical synthesis coordination chemistry and as a chelating agent Molecular Weight : 348.48 g/mol Physical Form : Other, Solid (crystalline powder) Molecular Formula : C16H36N4O4 Smell : Other, Odorless Purity : 98% (analytical grade) CAS No : 92958513 Melting Point : Approximately 5055C HS Code : 29339980 Structural Formula : Cyclic compound with four methoxyethyl functional groups attached to a tetraazacyclododecane ring Shelf Life : 2 years under recommended storage conditions Refractive Rate : Not available Density : 1.15 Gram per cubic centimeter(g/cm3) EINECS No : 6199063 Ph Level : Neutral (around pH 7)

1,4,7,10-Tetraazacyclododecane Properties : Highly stable chelating properties low toxicity high solubility Ingredients : Pure 14710Tetraazacyclododecane consisting of carbon hydrogen and nitrogen elements Appearance : White to offwhite powder or crystals Poisonous : NO Shape : Irregular Storage : Other, Store in a cool dry and wellventilated area in tightly sealed containers. Usage : Primarily used in research labs and industrial applications related to metal ion coordination. Grade : Research grade or industrial grade Solubility : High solubility in water and polar solvents Application : Other , Used in coordination chemistry chelating agents and as a ligand in metal ion studies. Molecular Weight : 172.27 g/mol Physical Form : Other, Crystalline solid or powder Molecular Formula : C8H20N4 Smell : Other, Odorless Purity : 98% CAS No : 294906 Melting Point : 120122C HS Code : 2933.99.90 Structural Formula : C8H20N4 typically depicted as a 12membered tetraazacyclo ring structure. Shelf Life : Stable for at least 24 months under proper storage conditions. Refractive Rate : Not available Density : 1.12 Gram per cubic centimeter(g/cm3) EINECS No : 2060338 Ph Level : Neutral (around 7 in aqueous solution)

2-Benzyl-1,4,7,10-tetraazacyclododecane Properties : Stable under standard conditions; hygroscopic Ingredients : 2Benzyl substitution on cyclen structure Appearance : White to offwhite powder Poisonous : NO Shape : other, Amorphous Storage : Other, Store in a dry wellventilated area away from direct sunlight Usage : Used in research particularly in chelation studies and chemical synthesis Grade : Research grade Solubility : Slightly soluble in water Application : Chemical synthesis chelation agents in coordination chemistry, Other Molecular Weight : 250.39 g/mol Physical Form : Solid Molecular Formula : C14H26N4 Smell : Odorless, Other Purity : 98% CAS No : 29457725 Melting Point : 115118C HS Code : 2921.30 Structural Formula : C6H5CH2C12H24N4 Shelf Life : 24 months when stored properly Refractive Rate : Data not available Density : 1.06 Gram per cubic centimeter(g/cm3) EINECS No : 2496298 Ph Level : Neutral (7)

tert-Butyl-(2-chloroethoxy)-dimethyl-silane Properties : Hydrophobic silane compound with reactivity towards functional groups Ingredients : tertButyl 2Chloroethoxy group Dimethylsilane Appearance : Colorless to light yellow liquid Poisonous : YES Shape : Not applicable (liquid), other Storage : Other, Store in a tightly sealed container in a cool dry and wellventilated area away from moisture and ignition sources Usage : Industrygrade chemical for R&D and manufacturing processes Grade : Industrial grade Solubility : Insoluble in water soluble in organic solvents Application : Used as an intermediate in chemical synthesis commonly in silanebased modifiers or coatings, Other Molecular Weight : 210.78 g/mol Physical Form : Liquid Molecular Formula : C8H19ClOSi Smell : Other, Pungent chemical odor Purity : 97% CAS No : 18171192 Melting Point : 60 C (estimated) HS Code : 293100 Structural Formula : C(CH3)3Si(CH3)2OCH2CH2Cl Shelf Life : 2 years under recommended storage conditions Refractive Rate : 1.423 1.427 Density : 0.949 Gram per cubic centimeter(g/cm3) EINECS No : 2420556