| Product Name |
Water |
| Product Number |
1939-5 |
| Formula |
H2O |
| Molecular Weight |
18.02 |
| Grade |
LC-MS |
| CAS Number |
7732-18-5 |
| Beilstein/REAXYS Number |
2050024 |
| EC Number |
231-791-2 |
| MDL number |
MFCD00011332 |
| UNSPSC Code |
12352303 |
| Exp. Date after Mfg. Date |
2 years |
| Test Method |
ACS 11th Edition |
|
| Specifications |
| Meets ACS Specification |
Yes |
| Appearance (color) |
Colorless |
| Form |
Liquid |
| Purity (GC area %) |
Min 99.9% |
| Residue after evaporation |
Max 1 ppm |
| Filtered by 0.2um filter |
Yes |
| Ultraviolet Spectrophotometry |
| UV Absorbance 200 nm |
Max 0.01 |
| UV Absorbance 254 nm |
Max 0.005 |
| UV Absorbance 280 nm |
Max 0.005 |
| Gradient Elution Test |
| Largest eluted peak (254nm) |
Max 1 mAU |
| Largest eluted peak (210nm) |
Max 5 mAU |
| Fluroescence Trace Impurities |
| at 450nm Emission |
Max 0.1 ppb |
| at Emission Max for impurities |
Max 0.02 ppb |
|
| Properties |
| vapor pressure |
23 hPa (20 °C) |
| boiling point |
100 °C (lit.) |
| melting point |
0 °C (lit.) |
| density |
1.000 g/mL at 3.98 °C (lit.) |
| refractive index |
n20/D 1.34 (lit.) |
