ANHUI MEISENBAO CHEMICAL CO., LTD.  

Product Name: Tris (hydroxymethyl) Aminomethane/ Tris base / Tromethamine / Biological Buffer / 77-86-1 Purity: 99.5% Min State: White Crystals Suitable for: Pharmaceutical Intermediate Certification: ISO 9001 Customized: Non-Customized Powder: Yes Transport Package: 25kg Cardboard Drum Specification: 99.5% Min Origin: China HS Code: 2922199090 Product Description Tris(hydroxymethyl)aminomethaneSynonym: Tris(hydroxymethyl)aminomethane, THAM, Tris base, Tris buffer, Tromethamine, Tromethane, Trometamol, TRIS, 2-Amino-2-(hydroxymethyl)-1,3-propanediolCAS No.: 77-86-1EINECS No.: 201-064-4Molecular Formula: C4H11NO3Molecular Weight:121.14Structural Formula: Standard:ItemsSpecificationsAppearanceWhite crystalsAssay99.5%-101.0%Melting point168.0ºC-171.0ºCWater insoluble matter≤0.03%Residue on ignition≤0.05%Heavy metals≤5ppmLoss on drying≤0.5%PH Value(5% water solution)10.0-11.5Color(5% water solution)≤5#Iron(Fe)≤5ppmSulphate(SO4)≤10ppmChloride(CL)≤5ppmAbsorbancy(260nm,20% water solution)≤0.1%Properties:It is a white crystal. Melting point: 168-171ºC, boiling point: 219-220°C/10mmHg (lit.). Soluble in water and methanol, ethanol, acetic acid and other organic solvents, slightly soluble in ethyl acetate, benzene, insoluble in ether, copper, aluminum corrosion, stimulation.Uses:It is mainly used as pharmaceutical intermediates and biological buffers. Tris buffer is not only widely used as a solvent for nucleic acid and protein, but also as a vulcanization accelerator, cosmetics (cream, lotion), mineral oil and paraffin emulsifier and.Storage:Stored in a well-closed and light-resistant container, and in a cool, dry and ventilated place.Packing:25kg fiber drum lined with plastic bag.