NIST973

Boric acid

NIST^® SRM^® 973, acidimetric standard

• Linear Formula: H₃BO₃
• CAS Number: 10043-35-3
• Molecular Weight: 61.83
• MDL number: MFCD00011337
• UNSPSC Code: 41116107
• PubChem Substance ID: 329818789
• NACRES: NA.24

Properties

• grade: certified reference material
• Quality Level: 100
• vapor pressure: 2.6 mmHg ( 20 °C)
• packaging: pkg of 100 g
• manufacturer/tradename: NIST^®
• mp: 160 °C (dec.) (lit.)
• format: neat
• SMILES string: OB(O)O
• InChI: 1S/BH3O3/c2-1(3)4/h2-4H
• InChI key: KGBXLFKZBHKPEV-UHFFFAOYSA-N

Description

General description

This Standard Reference Material (SRM) is certified as a chemical of known assay and is intended for use as a primary acidimetric standard. The SRM consists of highly purified boric acid (H₃BO₃) in a 100 g bottle. For more information, please refer to the SDS and COA.

SRM 973_cert

SRM 973_SDS

Other Notes

Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Boric Acid

See certificate for values and more details at nist.gov/SRM.

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology

SRM is a registered trademark of National Institute of Standards and Technology

Safety Information

• pictograms: GHS08
• signalword: Danger
• hcodes: H360FD
• pcodes: P201 - P202 - P280 - P308 + P313 - P405 - P501
• Hazard Classifications: Repr. 1B
• Storage Class: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable