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Molekula HEPES (4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid) (47376574)

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Applications & Uses

Properties

Appearance
White free-flowing crystalline powder
Typical Properties
ValueUnitsTest Method / Conditions
Molecular Weight238.31--
Specifications
ValueUnitsTest Method / Conditions
A260 (1M water )max. 0.050--
A280 (1M water )max. 0.050--
A405 (1M water)max. 0.015--
Assay Contentmin. 99.5%-
Chlorine Content (Cl)max. 100ppm-
Endotoxin (in 0.2% solution )max. 0.1EU/ml-
Heavy Metalsmax. 5ppm-
Iron Content (Fe)max. 5ppmppm-
Loss on Dryingmax. 0.5%-
pH4.8 - 5.6--
Pka (at 20°C)7.35 - 7.69--
Residue on Ignitionmax. 0.1%-
Solubility (in 1M water)Clear, Colourless solution--

Storage & Handling

Storage Temperature
Ambient