Pure Water Density Standard
SIAL/DENWAT3 - UKAS ISO/IEC17025 and ISO Guide 34 certified, density: 0.9982 g/mL at 20 °C, density: 0.9970 g/mL at 25 °C
Synonym: Water
CAS Number: 7732-18-5
Empirical Formula (Hill Notation): H2O
Molecular Weight: 18.02
EC Number: 231-791-2
MDL Number: MFCD00011332
Linear Formula: H2O
Product Type: Chemical
| agency | according to ASTM® D1480 |
| application(s) | cleaning products cosmetics environmental flavors and fragrances food and beverages industrial qc personal care petroleum |
| bp | 100 °C (lit.) |
| density | 0.9970 g/mL at 25 °C |
| 0.9982 g/mL at 20 °C | |
| 1.000 g/mL at 3.98 °C (lit.) | |
| format | mixture |
| grade | certified reference material |
| InChI | 1S/H2O/h1H2 |
| InChI key | XLYOFNOQVPJJNP-UHFFFAOYSA |
| manufacturer/tradename | Paragon Scientific Ltd |
| mp | 0 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | O |
| Application: | This pure water density CRM is designed for the calibration of instruments used to measure density. And although typically used, it is not limited to the verification of digital density meters. |
| Features and Benefits: | • Manufactured and verified in an ISO 17025 and ISO 17034 accredited laboratory, as per UKAS • Carries an associated uncertainty of +/- 0.01% • Certified density value following ASTM D1480 • Provided in a tamper-evident packaging to assure safe delivery • Meets the definition of Type II in the specification ASTM D1193 • Accompanied with a certificate of analysis (CoA) having information on expiry date and storage conditions for an effective audit |
| General description: | Please note that the value stated on this page is nominal. All certified values for the current lots of all Paragon Density Standards can be found on the Paragon Scientific webpage  |
| Legal Information: | ASTM is a registered trademark of American Society for Testing and Materials |
| RIDADR | NONH for all modes of transport |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| bp | 100 °C (lit.) |
| mp | 0 °C (lit.) |
| Density | 0.9982 g/mL at 20 °C; 0.9970 g/mL at 25 °C; 1.000 g/mL at 3.98 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116107 |