| Product Name |
HEPES hemisodium salt,
≥99.5% (titration) |
| Product Number |
H7637 |
| Product Brand |
Sigma |
| CAS Number |
103404-87-1 |
| Molecular Formula |
C8H17.5N2O4S · 0.5Na |
| Molecular Weight |
249.30 |
| |
| TEST |
SPECIFICATION |
| APPEARANCE |
WHITE POWDER |
| SOLUBILITY |
CLEAR COLORLESS SOLUTION AT 25G PLUS 50ML OF WATER |
| WATER BY KARL FISCHER |
< OR = 2% |
| UV ABSORBANCE |
< OR = 0.05 AT 290 NM (33%W/W) |
| HEAVY METALS |
< OR = 5 PPM (AS LEAD) |
| PURITY BY SULFURIC ACID TITRATION * |
> OR = 99.5% |
|
* ANHYDROUS BASIS |
| DOCUMENT # |
H7637/08/22/08/8 |
Certificate of Analysis
Certificate of Origin
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