Silicon(IV) nitride, alpha-phase, ca. 90%

Catalog No.	Quantity
AA4294918	50 g
AA4294930	250 g
AA42949A1	1 kg

Catalog No. AA4294918 Supplier Thermo Scientific Chemicals Supplier No. 04294918

Description

CAS: 12033-89-5 | N4Si3 | 140.28 g/mol

Silicon(IV) nitride is used in the automobile industry as a material for engine parts such as diesel engines and glowplugs. It is used for rocker arm pads for lower wear in spark-ignition engines. Ceramics made from this show good shock resistance. Similarly bearings made from this find application in the main engines of NASA’s space shuttle. It acts as an insulator and in the manufacture of integrated circuits.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 12033-89-5
• Molecular Formula: N4Si3
• Molecular Weight (g/mol): 140.28
• MDL Number: MFCD00011230
• InChI Key: HQVNEWCFYHHQES-UHFFFAOYSA-N
• Synonym: silicon nitride, silicon nitride si3n4, unii-qhb8t06idk, qhb8t06idk, silicon iv nitride, alpha phase, trisilicon tetranitride, nierite, nano silicon nitride, silicon iv nitride, silicon nitride, amorphous
• PubChem CID: 3084099
• IUPAC Name: Silicon nitride
• SMILES: N12[Si]34N5[Si]11N3[Si]25N41

• Melting Point: 1900°C (sublimation)
• Color: Gray
• Physical Form: Powder
• Quantity: 50 g
• Merck Index: 14,8497
• Solubility Information: Insoluble in water.
• Formula Weight: 140.28
• Percent Purity: 95%
• Concentration or Composition (by Analyte or Components): Si₃N₄ 85% min (alpha form)
• Odor: Odorless
• Density: 3.2 g/mL
• Chemical Name or Material: Silicon (IV) nitride, alpha-phase

Safety and Handling

EINECSNumber	234-796-8
RTECSNumber	VW0650000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only