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339067

Sigma-Aldrich

Boric acid

99.97% trace metals basis

Synonym(s):

Boracic acid, Borofax

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About This Item

Linear Formula:
H3BO3
CAS Number:
Molecular Weight:
61.83
EC Number:
MDL number:
UNSPSC Code:
12352300
eCl@ss:
38120104
PubChem Substance ID:
NACRES:
NA.23

agency

suitable for SM 5210

Quality Level

vapor pressure

2.6 mmHg ( 20 °C)

assay

99.97% trace metals basis

form

powder or crystals

mp

160 °C (dec.) (lit.)

solubility

water: soluble

density

1.440 g/cm3

application(s)

histology

SMILES string

OB(O)O

InChI

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

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

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General description

Boric acid is a weak monobasic acid, it accepts OH- ions, hence is a Lewis acid. In boric acid, B is sp2 hybridized, forming a planar triangle structure. The principal oxide of boron, B2O3, is obtained as a vitreous solid by dehydration of boric acid at red heat.

Application

Boric acid was used as a constituent in mineral sacrificial paste. 1 It has been used as a buffer in electrodeposition of nickel. 2

Packaging

Packaged in poly bottles

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Repr. 1B

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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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Boric acid powder, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, NF

SAFC

1.00162

Boric acid

Boric acid for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Supelco

1.00165

Boric acid

Boric acid United States Pharmacopeia (USP) Reference Standard

USP

1076341

Boric acid

Boric acid puriss., meets analytical specification of Ph. Eur., BP, NF, 99.5-100.5%, powder

Sigma-Aldrich

11607

Boric acid

Boric acid crystalline, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, NF

SAFC

1.00160

Boric acid

Lithium carbonate 99.997% trace metals basis

Sigma-Aldrich

203629

Lithium carbonate

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Plant & cell physiology, 56(4), 620-630 (2015-02-12)
Boron, an essential micronutrient, is transported in roots of Arabidopsis thaliana mainly by two different types of transporters, BORs and NIPs (nodulin26-like intrinsic proteins). Both are plasma membrane localized, but have distinct transport properties and patterns of cell type-specific accumulation
Jing Li et al.
American journal of physiology. Cell physiology, 306(10), C943-C960 (2014-03-22)
The human solute carrier (SLC26) family of anion transporters consists of 10 members (SLCA1-11, SLCA10 being a pseudogene) that encode membrane proteins containing ~12 transmembrane (TM) segments with putative N-glycosylation sites (-NXS/T-) in extracellular loops and a COOH-terminal cytosolic STAS
Hye Ryeo Lee et al.
Journal of chromatography. A, 1346, 117-122 (2014-05-09)
In liquid phase microextraction, high enrichment factors can be obtained using an acceptor phase of small volume. By hanging an acceptor drop at the separation capillary tip, single drop microextraction (SDME) can be in-line coupled with capillary electrophoresis (CE). The
Albert Serrà et al.
ACS nano, 8(5), 4630-4639 (2014-05-03)
Electrodeposition from microemulsions using ionic liquids is revealed as a green method for synthesizing magnetic alloyed nanoparticles, avoiding the use of aggressive reducing agents. Microemulsions containing droplets of aqueous solution (electrolytic solution containing Pt(IV) and Co(II) ions) in an ionic
Sheng Tang et al.
Journal of chromatography. A, 1373, 31-39 (2014-12-02)
Layered double oxide hollow spheres (LDO-HSs) were synthesized and employed as a dissolvable sorbent in dispersive solid-phase extraction (DSPE) to extract eleven United States Environmental Protection Agency's priority phenols from aqueous samples. With their higher specific surface area, LDO-HSs showed

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