DENWAT3

Pure Water Density Standard

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(s): Water
• Linear Formula: H₂O
• CAS Number: 7732-18-5
• Molecular Weight: 18.02
• Beilstein: 2050024
• EC Number: 231-791-2
• MDL number: MFCD00011332
• UNSPSC Code: 41116107
• PubChem Substance ID: 329798918
• NACRES: NA.24

Properties

• grade: certified reference material
• Quality Level: 100
• Agency: according to ASTM^® D1480
• shelf life: limited shelf life, expiry date on the label
• manufacturer/tradename: Paragon Scientific Ltd
• refractive index: n20/D 1.34 (lit.)
• 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.)
• application(s): cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; industrial qc; personal care; petroleum
• format: mixture
• SMILES string: O
• InChI: 1S/H2O/h1H2
• InChI key: XLYOFNOQVPJJNP-UHFFFAOYSA-N

Description

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

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

Legal Information

ASTM is a registered trademark of American Society for Testing and Materials

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: nwg
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable