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Merck
CN

80637

PIPES

appropriate biological buffer, ≥99.0% (calc. based on dry substance, T)

Synonym(s):

1,4-Piperazinediethanesulfonic acid, Piperazine-1,4-bis(2-ethanesulfonic acid), Piperazine-N,N′-bis(2-ethanesulfonic acid)

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About This Item

Empirical Formula (Hill Notation):
C8H18N2O6S2
CAS Number:
5625-37-6
Molecular Weight:
302.37
EC Number:
227-057-6
UNSPSC Code:
12161700
MDL number:
MFCD00006159
Beilstein/REAXYS Number:
817713

Key Documents

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InChI

1S/C8H18N2O6S2/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)

InChI key

IHPYMWDTONKSCO-UHFFFAOYSA-N

SMILES string

OS(=O)(=O)CCN1CCN(CC1)CCS(O)(=O)=O

assay

≥99.0% (calc. based on dry substance, T)

loss

≤1% loss on drying, 110 °C

operating pH range

6.4-7.2

useful pH range

6.1-7.5

pKa (20 °C)

6.8

pKa (25 °C)

6.8

mp

>300 °C (lit.)

solubility

0.1 M NaOH: 0.25 g/mL, clear, colorless

anion traces

chloride (Cl-): ≤2000 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤1000 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

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Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Veronique Adoue et al.
Molecular systems biology, 10, 754-754 (2014-10-19)
Most complex disease-associated genetic variants are located in non-coding regions and are therefore thought to be regulatory in nature. Association mapping of differential allelic expression (AE) is a powerful method to identify SNPs with direct cis-regulatory impact (cis-rSNPs). We used
Kalina Makowiecki et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(32), 10780-10792 (2014-08-08)
Repetitive transcranial magnetic stimulation (rTMS) is increasingly used as a treatment for neurological and psychiatric disorders. Although the induced field is focused on a target region during rTMS, adjacent areas also receive stimulation at a lower intensity and the contribution
Nicholas Light et al.
Epigenetics, 9(9), 1238-1251 (2014-07-24)
Allele-specific (AS) assessment of chromatin has the potential to elucidate specific cis-regulatory mechanisms, which are predicted to underlie the majority of the known genetic associations to complex disease. However, development of chromatin landscapes at allelic resolution has been challenging since
Leticia A Montoya et al.
Analytical chemistry, 86(12), 6032-6039 (2014-05-24)
Sulfhydryl-containing compounds, including thiols and hydrogen sulfide (H2S), play important but differential roles in biological structure and function. One major challenge in separating the biological roles of thiols and H2S is developing tools to effectively separate the reactivity of these
B W Nielsen et al.
Agents and actions, 35(3-4), 170-178 (1992-03-01)
Increased osmotic pressure has been reported to cause non-cytotoxic histamine release (HR) from human basophils, as well as a potentiation of HR induced by anti-IgE. In this study, the effects of hyperosmolar Na-K-acetate (300-600 mOsm/kg H2O) on HR was studied
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