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Merck

BX0865

Boric acid

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

Boracic Acid

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About This Item

Linear Formula:
H3BO3
CAS Number:
Molecular Weight:
61.83
UNSPSC Code:
12352301
EC Index Number:
233-139-2
MDL number:
Assay:
99.5% (alkalimetric)
Form:
crystals, granules or powder
Grade:
ACS reagent
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grade

ACS reagent

Quality Level

agency

meets USP/NF

vapor pressure

2.6 mmHg ( 20 °C)

assay

99.5% (alkalimetric)

form

crystals, granules or powder

technique(s)

electrophoresis: suitable

impurities

≤0.005% Insoluble in methanol, ≤0.05% Nonvolatile with methanol

pH

3.8-4.8 (20 °C, 33 g/L in H2O)

mp

160 °C (dec.) (lit.)

solubility

water: 49.2 g/L at 20 °C

density

1.49 g/cm3 at 23 °C

anion traces

chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.01%

cation traces

Ca: ≤0.005%, Fe: ≤0.001%, heavy metals (as Pb): ≤0.001%

shipped in

ambient

storage temp.

room temp

SMILES string

OB(O)O

InChI

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

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Assay (alkalimetric): 99.5% min
Calcium (Ca): 0.005% max
Chloride (Cl): 0.001% max
Form: Crystals or granular powder
Heavy metals (as Pb): 0.001% max
Insoluble in methanol: 0.005% max
Iron (Fe): 0.001% max
Nonvolatile with methanol: 0.05% max
Phosphate (PO4): 0.001% max
Sulfate (SO4): 0.01% max


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pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Repr. 1B

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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