NIST951A

Boric acid

NIST^® SRM^® 951a, isotopic standard

• Linear Formula: H₃BO₃
• CAS Number: 10043-35-3
• Molecular Weight: 61.83
• MDL number: MFCD00011337
• UNSPSC Code: 41116107
• PubChem Substance ID: 329818788
• NACRES: NA.24

Properties

• grade: certified reference material
• Quality Level: 100
• vapor pressure: 2.6 mmHg ( 20 °C)
• packaging: pkg of 10 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 intended for use as an isotopic reference material for the calibration of mass spectrometers. The material consists of highly purified boric acid of high homogeneity. A unit of SRM 951a consists of 10 g of powder. For more information, please refer to the SDS and COA.

SRM 951A_cert

SRM 951A_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.
Boron-10, Boron-11

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