Product Name: HEPES
Synonyms: HEPES 2-[4-(2-HYDROXYETHYL)-1-PIPERAZINYL]ETHANESULFONIC ACID MOLECULAR BIOLOGY GRADE;HEPES 2-[4-(2-HYDROXYETHYL)-1-PIPERAZINYL]ETHANESULFONIC ACID 99+%;N-(2-HYDROXYETHYL)-PIPERAZINE-N'-2-ETHANESULFONIC ACID(4-(2-HYDROXYETHYL)PIPERAZINE-1-ETHANESULFONIC ACID(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
MF: C8H18N2O4S
MW: 238.3
EINECS: 230-907-9
Product Categories: Disinfectants;Biochemistry;Good's Buffers;Buffer;ReagentsBiological Buffers;GMP;AlphabeticalMolecular Biology;Biological Buffers;BioUltra Buffers;BioUltraMolecular Biology;DNA&RNA Purification;Molecular Biology Reagents;Zwitterionic;7365-45-9
Mol File: 7365-45-9.mol
Melting point 234-238 °C
Boiling point 408℃[at 101 325 Pa]
bulk density 560kg/m3
density 1.07 g/mL at 20 °C
vapor pressure 0Pa at 25℃
refractive index n20/D 1.339
storage temp. 2-8°C
solubility H2O: 1 M at 20 °C, clear, colorless
form powder
color White
PH 5.0-6.5 (1Maqueous solution)
pka 7.5(at 25℃)
PH Range 7.0 - 7.6
biological source synthetic
Water Solubility Soluble
λmax λ: 260 nm Amax: 0.06
λ: 280 nm Amax: 0.04
Merck 14,4654
BRN 883043
Stability: Stable. Combustible. Incompatible with strong oxidizing agents. Protect from moisture.
InChIKey JKMHFZQWWAIEOD-UHFFFAOYSA-N
LogP -3.85 at 20℃
CAS DataBase Reference 7365-45-9(CAS DataBase Reference)
EPA Substance Registry System 1-Piperazineethanesulfonic acid, 4-(2-hydroxyethyl)- (7365-45-9)
Absorption ≤0.05 at 290 in H2O at 33%
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 24/25-22-36-26
WGK Germany 1
RTECS TL6809000
TSCA Yes
HS Code 29335995