ChemicalBook CAS DataBase List Boron

Boron

$45 - $4696.38

Price

Brand	Packaging	Price	Product name
AK Scientific Y1405	5g	$428	Boronpowder
AK Scientific Y1405	25g	$1197	Boronpowder
Alfa Aesar 010112	5g	$1451	Boron powder, crystalline, -4+40 mesh, Puratronic?, 99.9999% (metals basis)
Alfa Aesar 012134	250g	$1980	Boron pieces, crystalline, 20mm (0.8in) & down, 99.5% (metals basis)
Alfa Aesar 041858	250g	$2990.65	Boron pieces, crystalline, 1-30mm (0.039-1.2in), 99.4% (metals basis)
Alfa Aesar 010112	1g	$344	Boron powder, crystalline, -4+40 mesh, Puratronic?, 99.9999% (metals basis)
Alfa Aesar 041858	50g	$902	Boron pieces, crystalline, 1-30mm (0.039-1.2in), 99.4% (metals basis)
Alfa Aesar 012134	50g	$538	Boron pieces, crystalline, 20mm (0.8in) & down, 99.5% (metals basis)
Alfa Aesar 039147	50mL	$49.2	Boron
Alfa Aesar 042435	50g	$61.65	Boron, Oil based standard solution

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Melting point	2300°C
Boiling point	2550°C
Density	2.34 g/mL at 25 °C (lit.)
storage temp.	no restrictions.
solubility	H₂O: soluble
form	Powder
color	Brown or dark
Specific Gravity	2.34～2.37
Resistivity	1.5E12 μΩ-cm, 20 °C
Water Solubility	insoluble H2O [MER06]
Crystal Structure	Trigonal (rhombohedral) a = 1017 pm α = 65°12' hR105, R3m, β-B type
Merck	13,1333
Exposure limits	ACGIH: TWA 2 mg/m3; STEL 6 mg/m3
Stability	Stable. Substances to be avoided include strong oxidizing agents and strong acids. May decompose on exposure to air - store under nitrogen. Highly flammable.
InChIKey	UORVGPXVDQYIDP-UHFFFAOYSA-N
CAS DataBase Reference	7440-42-8(CAS DataBase Reference)
NIST Chemistry Reference	Boron(7440-42-8)
EPA Substance Registry System	Boron (7440-42-8)