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14704 Silicon(IV) nitride, alpha-phase, 99.9% (metals basis)

CAS Number
12033-89-5
Synonyms

Stock No. Size Price ($) Quantity Availability
14704-14 25g 43.60
14704-22 100g 128.00
14704-36 500g 556.00
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Silicon(IV) nitride, alpha-phase, 99.9% (metals basis)

MDL
MFCD00011230
EINECS
234-796-8

Chemical Properties

Formula
Si3N4 90% min (alpha form)
Formula Weight
140.28
Form
<1 Micron Powder
Melting point
1900° subl.
Density
3.2
Storage & Sensitivity
Ambient temperatures.
Solubility
Insoluble water.

Applications

Silicon(IV) nitride is used in 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 Silicon(IV) nitride 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 is used in the manufacturing of integrated circuits.

Notes

Incompatible with strong oxidizing agents.

Literature References

Yin, L.; Zhou, X.; Yu, J.; Wang, H. Silicon nitride foams with uniform pore structure prepared by using protein foaming method with a planetary ball-milling foaming route. J. Porous Mater. 2015, 22 (5), 1357-1362.

Mengyong, S.; Qinggang, L.; Shifeng, H.; Xin, C. Fabrication and properties of C fiber/Si3N4 composite by vacuum hot-pressing sintering. Ceram. Int. 2015, 41 (4), 6084-6088.

Other References

Merck
14,8497
Harmonized Tariff Code
2850.00
TSCA
Yes
RTECS
VW0650000

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