391335

BIS-TRIS

ULTROL^® Grade, ≥99% dry basis (titration), suitable where a calcium phosphate-DNA complex formation is desirable

• Synonym(e): BIS-Tris, ULTROL^® Grade, [ bis(2-Hydroxyethyl)imino]- tris(hydroxymethyl)methane, [bis(2-Hydroxyethyl)imino]-tris(hydroxymethyl)methane
• Empirische Formel (Hill-System): C₈H₁₉NO₅
• CAS-Nummer: 6976-37-0
• Molekulargewicht: 209.24
• UNSPSC-Code: 12161700
• NACRES: NA.25

Eigenschaften

• Qualitätsniveau: 100
• Assay: ≥99% dry basis (titration)
• Form: solid
• Hersteller/Markenname: Calbiochem^®
• Lagerbedingungen: OK to freeze
• Farbe: white
• pKa (20 °C): 6.5
• Löslichkeit: water: soluble
• Kationenspuren: heavy metals: <3 ppm
• Versandbedingung: ambient
• Lagertemp.: 15-25°C
• InChI: 1S/C8H19NO5/c10-3-1-9(2-4-11)8(5-12,6-13)7-14/h10-14H,1-7H2
• InChIKey: OWMVSZAMULFTJU-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

A zwitterionic buffer that exhibits only a very small shift in dissociation constant with respect to temperature. Useful in the pH 5.8-7.3 range. Has a pK_a of 6.50 at 25°C. Suitable for fractionation of hemoglobin.

Absorbance (100 mM, H₂O, 280 nm):≤0.04.

An inert, zwitterionic buffer that exhibits only a very small shift in dissociation constant with respect to temperature (absorbance: <0.04 at 280 nm, 100 mM, H₂O). Suitable for fractionation of hemoglobin. Has a pK_a of 6.5 at 25°C.

Warnhinweis

Toxicity: Standard Handling (A)

Sonstige Hinweise

Nealon, D.A., et al. 1980. Clin Chem.26, 1516.
Morin, L.G. 1977. Clin. Chem.23, 1569.

Rechtliche Hinweise

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H319
• P-Sätze: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Gefahreneinstufungen: Eye Irrit. 2
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 2
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable