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PIPES BIOXTRA, >= 99% (TITRATION) 250 G

Brands: SIGMA-ALDRICH
Rp 14.476.000

Stock Tidak Mengikat

PIPES is a member of the ethanesulfonic acid buffer series, first introduced by Good et al., developed to meet certain criteria: midrange pKa, maximum water solubility and minimum solubility in all other solvents, minimal salt effects, minimal change in pKa with temperature, chemically and enzymatically stable, minimal absorption in visible or UV spectral range and easily synthesized. Since its pKa at 37 °C is near physiological pH, PIPES has applications in cell culture work.

product line

BioXtra

Quality Level

400

assay

≥99% (titration)

form

powder

impurities

Insoluble matter, passes filter test

ign. residue (900°C)

≤0.5% (as SO4)

loss

≤0.5% loss on drying, 110°C

useful pH range

6.1-7.5

pKa (25 °C)

6.8

mp

>300 °C (lit.)

solubility

1 M NaOH: 0.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤0.2%

cation traces

Al: ≤0.005%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.005%, Cd: ≤0.0005%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.005%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Na: ≤0.1%, Ni: ≤0.0005%, Pb: ≤0.0005%, Sr: ≤0.0005%, Zn: ≤0.0005%

absorption

≤0.1 at 260 in 1 M NaOH at 0.5 M, ≤0.1 at 280 in 1 M NaOH at 0.5 M

application(s)

diagnostic assay manufacturing

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

icon

PT. Multi Medika Laboratory

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