Silicon nitride

$22.65 - $1328

Price

Brand	Packaging	Price	Product name
Alfa Aesar 049113	10g	$22.65	Silicon(IV) nitride, Electronic Grade, 99.85% (metals basis), 90+% alpha-phase
Alfa Aesar 040379	10g	$30.4	Silicon(IV) nitride, 99.3% (metals basis), typically 90% beta-phase
Alfa Aesar 045611	5g	$42.65	Silicon(IV) nitride, amorphous, nanopowder, 98.5+%
Alfa Aesar 042949	50g	$47.65	Silicon(IV) nitride, alpha-phase, 95%
Alfa Aesar 014704	25g	$54.1	Silicon(IV) nitride, alpha-phase, 99.9% (metals basis)
Alfa Aesar 049113	50g	$61.65	Silicon(IV) nitride, Electronic Grade, 99.85% (metals basis), 90+% alpha-phase
Alfa Aesar 040379	50g	$94.65	Silicon(IV) nitride, 99.3% (metals basis), typically 90% beta-phase
Alfa Aesar 045611	25g	$144.65	Silicon(IV) nitride, amorphous, nanopowder, 98.5+%
Alfa Aesar 042949	250g	$147.65	Silicon(IV) nitride, alpha-phase, 95%
Alfa Aesar 014704	100g	$159	Silicon(IV) nitride, alpha-phase, 99.9% (metals basis)

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Melting point	1900 °C
Density	3.44 g/mL at 25 °C (lit.)
refractive index	2.8
RTECS	VW0650000
form	powder
color	Pale gray
Specific Gravity	3.44
Resistivity	10*6 (ρ/μΩ.cm)
Water Solubility	Insoluble water.
Crystal Structure	Hexagonal
Hydrolytic Sensitivity	1: no significant reaction with aqueous systems
Merck	14,8497
Stability	Stable.
CAS DataBase Reference	12033-89-5(CAS DataBase Reference)
EPA Substance Registry System	Silicon nitride (Si3N4) (12033-89-5)