391335

BIS-TRIS

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

• Synonyme(s) : BIS-Tris, ULTROL^® Grade, [ bis(2-Hydroxyethyl)imino]- tris(hydroxymethyl)methane, [bis(2-Hydroxyethyl)imino]-tris(hydroxymethyl)methane
• Formule empirique (notation de Hill): C₈H₁₉NO₅
• Numéro CAS: 6976-37-0
• Poids moléculaire : 209.24
• Code UNSPSC : 12161700
• Nomenclature NACRES : NA.25

Propriétés

• Niveau de qualité: 100
• Pureté: ≥99% dry basis (titration)
• Forme: solid
• Fabricant/nom de marque: Calbiochem^®
• Conditions de stockage: OK to freeze
• Couleur: white
• pKa (20 °C): 6.5
• Solubilité: water: soluble
• Traces de cations: heavy metals: <3 ppm
• Conditions d'expédition: ambient
• Température de stockage: 15-25°C
• InChI: 1S/C8H19NO5/c10-3-1-9(2-4-11)8(5-12,6-13)7-14/h10-14H,1-7H2
• Clé InChI: OWMVSZAMULFTJU-UHFFFAOYSA-N

Description

Description générale

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.

Avertissement

Toxicity: Standard Handling (A)

Autres remarques

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

Informations légales

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

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

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H319
• Conseils de prudence: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Classification des risques: Eye Irrit. 2
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable