| English name | HEPES 4-羟乙基哌嗪乙磺酸 |
Synonyms | HEPES2-[4-(2-HYDROXYETHYL)-1-PIPERAZINYL]ETHANESULFONICACIDMOLECULARBIOLOGYGRADE;HEPES2-[4-(2-HYDROXYETHYL)-1-PIPERAZINYL]ETHANESULFONICACID99+%;N-(2-HYDROXYETHYL)-PIPERAZINE-N'-2-ETHANESULFONICACID(4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESUChemicalbookLFONICACID(HEPES-ACID));Hepes,FreeAcid(N-[2-Hydroxyethyl]Piperaz;1-HeptaneSulfonicAcidSod.SaltGr;N-(2-Hydroxyethyl)Piperazine-N'-(3-EthanesulfonicAcid);N-(2-Hydroxyethyl)Piperazine-N'-(2-EthanesulfonicAcid)(Hepes);Hepes,LowSodium,FreeAcid |
CAS | 7365-45-9 |
EINECS | 230-907-9 |
Molecular formula | C8H18N2O4S |
Molecular weight | 238.3 |
Chemical formula |
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Content > | ≥99.5% |
Density | 1.07 g/mL at 20 °C |
Melting point | 234-238 °C |
Specific rotation |
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Boiling point | 408℃[at 101 325 Pa] |
Flashing point |
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Solubility | H2O: 1 M at 20 °C, clear, colorless |
Solubility of water | Soluble |
Refractive index | n20/D 1.339 |
λmax | λ: 260 nm Amax: 0.06λ: 280 nm Amax: 0.04 |
Acidity coefficient | 7.5(at 25℃) |
Acid-base indicator color-changing ph range | 7.0 - 7.6 |
Storage condition | 2-8°C |
Appearance | powder |
Colour | White |
PH | 5.0-6.5 (1Maqueous solution) |
Merck | 14,4654 |
BRN | 883043 |
Stability | Stable. Combustible. Incompatible with strong oxidizing agents. Protect from moisture. |
MDL |
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InChI |
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InChIKey | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
Vapour pressure | 0Pa at 25℃ |
LogP | -3.85 at 20℃ |
HS | 29335995 |
Use | HEPES (4-hydroxyethyl piperazine ethanesulfonic acid) is a non-ionic amphotic buffer, with a high degree of polarity, inert to a variety of chemical reagents and enzymes, does not participate in and does not interfere with the Chemicalbook biochemical reaction process, no inhibition on enzyme chemical reaction, etc. Therefore, it can be used specifically for the study of organelles and extremely variable, pH sensitive proteins and enzymes. |
Package | （According to user requirements） |
Dangerous mark | Xi |
Risk phrases | 36/37/38 |
Safety phrases | 24/25-22-36-26 |
Dangerous goods transport No. |
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WGK Germany | 1 |
Hazard Note |
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RTECS | TL6809000 |
F |
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TSCA | Yes |
Hazard Class |
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Packing Group |
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Upstream raw materials |
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Down stream product |
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