| Product Name |
DL-Dithiothreitol,
SigmaUltra, >99% (titration) |
| Product Number |
D5545 |
| Product Brand |
Sigma-Aldrich |
| CAS Number |
3483-12-3 |
| Molecular Formula |
HSCH2CH(OH)CH(OH)CH2SH |
| Molecular Weight |
154.25 |
| Storage Temp |
2-8°C |
|
| TEST |
SPECIFICATION |
| APPEARANCE |
WHITE POWDER |
| SOLUBILITY |
CLEAR COLORLESS (0.1 M IN WATER AT 20 DEG CENTIGRADE) |
| INSOLUBLE MATTER |
PASSES FILTER TEST |
| 4,5-DIHYDROXY- 1,2-DITHIANE |
<0.3% |
| SULFATE (SO4) |
<0.005% |
| ALUMINUM (AL) |
<0.0005% |
| ARSENIC (AS) |
<0.0001% |
| BARIUM (BA) |
<0.0005% |
| BISMUTH (BI) |
<0.0005% |
| CALCIUM (CA) |
<0.001% |
| CADMIUM (CD) |
<0.0005% |
| COBALT (CO) |
<0.0005% |
| CHROMIUM (CR) |
<0.0005% |
| COPPER (CU) |
<0.0005% |
| IRON (FE) |
<0.0005% |
| POTASSIUM (K) |
<0.005% |
| LITHIUM (LI) |
<0.0005% |
| MAGNESIUM (MG) |
<0.0005% |
| MANGANESE (MN) |
<0.0005% |
| MOLYBDENUM (MO) |
<0.0005% |
| SODIUM (NA) |
<0.1% |
| NICKEL (NI) |
<0.0005% |
| LEAD (PB) |
<0.0005% |
| STRONTIUM (SR) |
<0.0005% |
| ZINC (ZN) |
<0.0005% |
| A260 (0.1 M IN WATER) |
<0.400 |
| A280 (0.1 M IN WATER) |
<0.100 |
| PH TEST |
4.0 TO 6.0 (0.1 M IN WATER AT 20 DEG CENTIGRADE) |
| PURITY BY TITRATION |
>99% |
| RECOMMENDED RETEST |
4 YEARS |
| DOCUMENT # |
D5545/10/03/05/4 |
Certificate of Analysis
Certificate of Origin
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