HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) 99% for biochemistry
Supplier: Thermo Fisher Scientific
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About this item
Synonyms: HEPES free acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulphonic acid), 4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid, N-2-Hydroxyethylpiperazine-N′-2-ethanesulphonic acid, 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulphonic acid
CAS Number:7365-45-9
:
Formula:C₈H₁₈N₂O₄S
MDL Number:MFCD00006158
Merck Index:13,04672
Melting Pt:209…215 °C (dec.)
Density:1,448 g/cm³ (20 °C)
:238.31 g/mol
Storage Temperature:Ambient
EINECS:230-907-9
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Appearance:White Crystalline powder or crystals
- Infrared spectrum:Conforms
- Loss on drying:≤1 % (1 g, 105°C, 3 hrs)
- Sulfated ash:≤0.1 %
- Solubility:(5 % in water) Clear colorless
- UV:(5 % in water) 1 cm cell
- Titration with NaOH:≥98.5 % (On dried substance)
- Chloride (Cl):≤50 ppm
- Sulfate (SO4):≤200 ppm
- Heavy metals (as Pb):≤10 ppm