| Product Name |
BIS-TRIS propane,
≥99.0% (titration) |
| Product Number |
B6755 |
| Product Brand |
Sigma |
| CAS Number |
64431-96-5 |
| Molecular Formula |
CH2[CH2NHC(CH2OH)3]2 |
| Molecular Weight |
282.33 |
| |
| TEST |
SPECIFICATION |
| APPEARANCE |
WHITE CRYSTALLINE POWDER |
| SOLUBILITY |
CLEAR COLORLESS SOLUTION AT 15G PLUS 35ML OF WATER |
| IR SPECTRUM |
CONSISTENT WITH STRUCTURE |
| WATER BY KARL FISCHER |
< OR = 0.2% |
| UV ABSORBANCE |
< OR = 0.05 AT 290NM (30%W/V) |
| PROTON NMR SPECTRUM |
< OR = 0.5% TRIS (HYDROXYMETHYL) AMINOMETHANE |
| HEAVY METALS |
< OR = 5 PPM (ASLEAD) |
| PURITY BY SULFURIC ACID TITRATION * |
> OR = 99.0% |
|
* ANYHDROUS BASIS |
| NOTE |
PKA1 = 6.8 PKA2 = 9.0 AT 25DEGC BUFFERING RANGE: 6.3 - 9.5 AT 25DEGC |
| RECOMMENDED RETEST |
2 YEARS |
| DOCUMENT # |
B6755/08/28/07/4 |
Certificate of Analysis
Certificate of Origin
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