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NIST973

Boric acid

NIST® SRM® 973, acidimetric standard

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About This Item

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

Key Documents

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Product Name

Boric acid, NIST® SRM® 973, acidimetric standard

InChI

1S/BH3O3/c2-1(3)4/h2-4H

SMILES string

OB(O)O

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

grade

certified reference material

vapor pressure

2.6 mmHg ( 20 °C)

packaging

pkg of 100 g

manufacturer/tradename

NIST®

mp

160 °C (dec.) (lit.)

format

neat

Quality Level

100

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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
This compound is listed in the SVHC (Substances of very high concern) candidate list of ECHA (European Chemicals Agency)

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

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H360FD

Hazard Classifications

Repr. 1B

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品
This item has

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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