528131

PIPES, Free Acid, ULTROL^® Grade

A zwitterionic N-substituted aminosulfonic acid useful in the pH range of 6.1-7.5. Has a pKa 6.76 at 25°C. Absorbance (0.5%, 0.25 N NaOH, 260 nm):0.18.

• Synonyme(s) : Piperazine-N,Nʹ- bis(2-ethanesulfonic Acid), Piperazine-N,Nʹ-bis(2-ethanesulfonic Acid)
• Formule empirique (notation de Hill): C₈H₁₈N₂O₆S₂
• Numéro CAS: 5625-37-6
• Poids moléculaire : 302.37
• Numéro MDL: MFCD00006159
• Code UNSPSC : 12352200

Propriétés

• Niveau de qualité: 100
• Pureté: ≥98% dry basis (titration)
• Forme: solid
• Fabricant/nom de marque: Calbiochem^®
• Conditions de stockage: OK to freeze
• Couleur: white
• pKa (20 °C): 6.8
• Solubilité: aqueous buffer: 50 mg/mL; water: soluble
• Traces de cations: heavy metals: <10 ppm
• Conditions d'expédition: ambient
• Température de stockage: 15-25°C
• InChI: 1S/C8H18N2O6S2.Na/c11-17(12,13)7-5-9-1-2-10(4-3-9)6-8-18(14,15)16;/h1-8H2,(H,11,12,13)(H,14,15,16);/q;+1/p-1
• Clé InChI: OGGAIRCLBMGXCZ-UHFFFAOYSA-M

Description

Description générale

A zwitterionic N-substituted aminosulfonic acid useful in the pH range of 6.1-7.5. Has a pK_a 6.76 at 25°C.

Absorbance (0.5%, 0.25 N NaOH, 260 nm): <0.18.

Zwitterionic N-substituted aminosulfonic acid, active in the pH range of 6.0-8.5. Has a pK_a of 6.8 at 20°C.

Avertissement

Toxicity: Standard Handling (A)

Reconstitution

Following reconstitution, store in the refrigerator (4°C). Stock solutions are stable for up to 3 months at 4°C.





From Catalog:

Desc. Field- replaced "active in the pH range 6.0-8.5"

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

• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable