MilliporeSigma
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339067

Sigma-Aldrich

Boric acid

99.97% trace metals basis

Synonym(s):
Borofax, Boracic acid
Linear Formula:
H3BO3
CAS Number:
Molecular Weight:
61.83
EC Number:
MDL number:
eCl@ss:
38120104
PubChem Substance ID:

Quality Level

vapor pressure

2.6 mmHg ( 20 °C)

assay

99.97% trace metals basis

form

crystalline powder

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

100, 500 g in poly bottle
Packaged in poly bottles

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Repr. 1B

Storage Class Code

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

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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