2-Hydroxyethyl-Ethanesulfonic Acid Sodium Salt 25G
2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid sodium salt buffer substance HEPES-Na. CAS 75277-39-3, molar mass 260.29 g/mol.
Manufacturer: Merck
Catalog ID: 115231.0025
Stock: In Stock
Description
| Catalogue Number | 115231 |
Product Information
| CAS number | 75277-39-3 |
| EC number | 278-169-7 |
| Hill Formula | C₈H₁₇N₂NaO₄S |
| Molar Mass | 260.29 g/mol |
| HS Code | 2933 59 95 |
Applications
| Application | 2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid sodium salt buffer substance HEPES-Na. CAS 75277-39-3, molar mass 260.29 g/mol. |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (perchloric acid titration, calculated on dried substance) | ≥ 99 |
| Identity (IR-spectrum) | passes test |
| UV-Absorption (250 nm, 20 g/l, 1 cm, water) | ≤ 0.06 |
| Chloride (Cl) | ≤ 0.005 % |
| Sulphate (SO₄) | ≤ 0.005 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Loss on Drying (105°C) | ≤ 6.0 |
| Biological buffer, pKa at 20 °C | 7.55 |
