Sigma Trizma® Base, Primary Standard And Buffer, =99.9% (Titration), Crystalline, 250 G, Each

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Specifications synonyms: 2-amino-2-(hydroxymethyl)-1,3-propanediol; tham; tris base; tris(hydroxymethyl)aminomethane; trometamolformula: nh2c(ch2oh)3formula weight: 121.14Cas no.: 77-86-1Purity: ≥99.9% (Titration)general description: 2222a 40% (w/w) solution in water is clear and colorless.Protocols & applications: ensure correct concentrations of buffer solutions with the buffer calculatorother notes: easily compare specifications for trizma products with the trizma specification table.Legal information: trizma is a registered trademark of sigma-aldrich co. Llcpackaging: 1 kg in poly bottlepackaging: 25, 100, 250, 500 g in poly bottlepackaging: 5, 10, 25, 50 kg in poly drumabs.: A40%/290 ≤0.05Assay: ≥99.9% (Titration)bp: 219-220°c/10 mmhg(lit.)Cation traces: heavy metals (as pb): ≤2 ppmcolor: whitedescription: aminopeptidase substrateform: crystallineimpurities: ≤0.2% Water (karl fischer)mp: 167-172°c(lit.)Ph range: 7 - 9pka (25°c): 8.1Quality level: eliteuseful ph range: 7 - 9