391333 MilliporeHEPES, Sodium Salt, ULTROL® Grade - CAS 75277-39-3 - Calbiochem
A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10.
More>> A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10. Less<<MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
Synonyms: N-2-Hydroxyethylpiperazine-Nʹ-2-ethanesulfonic Acid, Na
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Overview
Key Spec Table
| CAS # | Empirical Formula |
|---|---|
| 75277-39-3 | C₈H₁₇N₂O₄S·Na |
Products
| Catalogue Number | Packaging | Qty/Pack | |
|---|---|---|---|
| 391333-100GM | Glass bottle | 100 gm | |
| 391333-1KG | Glass bottle | 1 kg | |
| 391333-500GM | Glass bottle | 500 gm |
| Product Information | |
|---|---|
| CAS number | 75277-39-3 |
| Form | White solid |
| Hill Formula | C₈H₁₇N₂O₄S·Na |
| Chemical formula | C₈H₁₇N₂O₄S·Na |
| Hygroscopic | Hygroscopic |
| PKA | 7.6 at 20°C |
| Quality Level | MQ100 |
| Biological Information | |
|---|---|
| Purity | ≥99% by titration (dry basis) |
| Physicochemical Information | |
|---|---|
| Contaminants | chloride: <0.01%; sulfate: <0.05% |
| Heavy metals | <1 ppm |
| Storage and Shipping Information | |
|---|---|
| Ship Code | Ambient Temperature Only |
| Toxicity | Standard Handling |
| Storage | +15°C to +30°C |
| Hygroscopic | Hygroscopic |
| Do not freeze | Ok to freeze |
| Global Trade Item Number | |
|---|---|
| Catalogue Number | GTIN |
| 391333-100GM | 07790788054854 |
| 391333-1KG | 04055977190021 |
| 391333-500GM | 04055977190069 |