Tris-(hydroksimetyyli)aminometaani ≥99.9%, Ultrapure

Toimittaja: VWR Chemicals

Synonyms: Tris (Hydroxymethyl) AminomethaneTrometamol2-Amino-2-(hydroxymethyl)propane-1,3-diol

0497-50KGEA 3490 EUR
0497-50KG 0497-10KG 0497-12KG 0497-5KG 0497-1KG 0497-500G
Tris-(hydroksimetyyli)aminometaani ≥99.9%, Ultrapure

Reagent for stabilisation of buffer formulations and electrophoresis of biological molecules.

Biological buffers are useful for cell culture in vitro, enzyme assays and some electrophoretic applications at physiological pH. Universally applicable buffers for biochemistry must be water soluble, not interfere with biological processes or biological membranes (penetration, solubilisation, adsorption on surface, etc.), have known complex forming tendency with metal ions, be non toxic and have a very low U.V. absorption at wavelength >260 nm.

Kaava: NH₂C(CH₂OH)₃
MW: 121,14 g/mol
Kiehumispiste: 288 °C
Sulamispiste: 169 °C
Tiheys: 1,328 g/cm³ (20 °C)
Storage Temperature: Huoneenlämpö
MDL numero: MFCD00004679
CAS-numero: 77-86-1
EINECS: 201-064-4
Merck Index: 12,09902

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Testitulosten erittely

Abs.@280 nm (1 M, Water) <0.05
Abs.@290 nm (40%, Water) ≤0.2
Abs.@400 nm (40%, Water) ≤0.05
Arsenic ≤0.0005%
Copper ≤0.0001%
Insolubles ≤0.005%
Iron ≤0.0001%
Lead ≤0.0001%
Magnesium ≤0.0005%
Melting Point 168 – 172 °C
Moisture (KF) ≤1%
pH (5%, Water) @25 °C 10 - 11.5
Purity ≥99.9%
Solubility (10%, Water) Pass

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