A4921812
4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid hemisodium salt , 99% , 103404-87-1
Synonym(s):
N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) hemisodium salt;4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid hemisodium salt;HEPES hemisodium salt
CAS NO.：103404-87-1
Empirical Formula: C8H17N2NaO4S
Molecular Weight: 260.29
MDL number: MFCD00036463
EINECS: 688-394-6
| Pack Size | Price | Stock | Quantity |
| 5g | RMB64.00 | In Stock |
|
| 25G | RMB253.60 | In Stock |
|
| 100G | RMB698.40 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| storage temp. | room temp |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | dry powder |
| pka | 7.5 |
| color | White to off-white |
| PH Range | 6.8 - 8.2 |
| PH | 7.4-7.7 (25°C, 0.1M in water) |
| biological source | synthetic |
| Water Solubility | Soluble in water. |
| InChI | 1S/C8H18N2O4S.Na/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1 |
| InChIKey | RDZTWEVXRGYCFV-UHFFFAOYSA-M |
| SMILES | [Na+].OCCN1CCN(CC1)CCS([O-])(=O)=O |
Description and Uses
HEPES hemisodium salt is common buffer for biological sciences, particularly used in cell culture to maintain physiological pH. It acts a buffering component, which is used in the preparation of buffers. It is described as one of the best all-purpose buffers available for use in biological research.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H335-H319 |
| Precautionary statements | P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| F | 3-10 |
| HS Code | 29335990 |
| Storage Class | 11 - Combustible Solids |
