PIPES dipotassium salt

SIGMA/P7643 - ≥99% (titration)

Synonym: 1,4-Piperazinediethanesulfonic acid dipotassium salt; Piperazine-1,4-bis(2-ethanesulfonic acid) dipotassium salt

CAS Number: 108321-27-3
Empirical Formula (Hill Notation): C₈H₁₆K₂N₂O₆S₂
Molecular Weight: 378.55
MDL Number: MFCD00069751
Linear Formula: C₈H₁₆K₂N₂O₆S₂
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-P7643-25G	25 g	$77.90 1/EA	Add To Favorites
45-P7643-100G	100 g	$252.00 1/EA	Add To Favorites
45-P7643-500G	500 g	$893.00 1/EA	Add To Favorites
45-P7643-1KG	1 kg	$1440.00 1/EA	Add To Favorites

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This image depicts SKU: P7643-25G

Properties
Descriptions
Safety Info.
Basic Data

application(s)	diagnostic assay manufacturing
assay	≥99% (titration)
form	crystalline powder
InChI	1S/C8H18N2O6S2.2K/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;2*+1/p-2
InChI key	BJQYFCAMUXGZFN-UHFFFAOYSA-L
pKa (25 °C)	6.8
Quality Level	200
SMILES string	[K+].[K+].[O-]S(=O)(=O)CCN1CCN(CC1)CCS([O-])(=O)=O
solubility	water: 0.25 g/mL, clear, colorless
useful pH range	6.1-7.5

Application:	PIPES (1,4-Piperazinediethanesulfonic acid) dipotassium salt has been used as buffer for fluorescence polarization microscopy studies of kinesin-microtubule binding. It is suitable for use as a component of PHEM buffer ([K-PIPES], HEPES, EGTA, and MgSO4) used during rinsing and blocking steps in immunofluorescence imaging of HeLa cells. It is also suitable for use as buffer for purification of tubulin.
General description:	PIPES (1,4-Piperazinediethanesulfonic acid) is a zwitterionic buffer. It is a stable buffer and is used majorly in fixation solutions. PIPES is inert towards enzymatic and non-enzymatic reactions. However, it generates artefacts in transmission electron microscope imaging.
Packaging:	1 kg in poly bottle
Packaging:	25, 100, 500 g in poly bottle

RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99% (titration)
UNSPSC	12161700

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