PIPES

grade

for molecular biology

Quality Level

100

product line

BioXtra

Assay

≥99.5% (T)

form

powder

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected

ign. residue

≤0.2% (as SO₄)

loss

≤0.2% loss on drying, 110 °C

useful pH range

6.1-7.5

pKa (25 °C)

6.8

mp

>300 °C (lit.)

solubility

0.1 M NaOH: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤200 mg/kg
sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
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
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in 1 M NaOH

UV absorption

λ: 260 nm A_max: 0.055
λ: 280 nm A_max: 0.040

SMILES string

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

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