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357391

Sigma-Aldrich

Silicon carbide

−400 mesh particle size, ≥97.5%

Synonyme(s) :

Carbon silicide, Carborundum, Methanidylidynesilanylium, Silicon monocarbide

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About This Item

Formule linéaire :
SiC
Numéro CAS:
409-21-2
Poids moléculaire :
40.10
Numéro CE :
206-991-8
Numéro MDL:
MFCD00049531
Code UNSPSC :
12352300
ID de substance PubChem :
24861911
Nomenclature NACRES :
NA.23
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Description

hexagonal phase

Niveau de qualité

100

Essai

≥97.5%

Forme

powder

Taille des particules

−400 mesh

Pf

2700 °C (lit.)

Densité

3.22 g/mL at 25 °C (lit.)

Chaîne SMILES 

[C-]#[Si+]

InChI

1S/CSi/c1-2

Clé InChI

HBMJWWWQQXIZIP-UHFFFAOYSA-N

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Description générale

Silicon carbide (SiC) is a semiconducting material with closed packed stacking of double layers of silicon and carbon. It has excellent thermo-mechanical and electrical properties that make it useful in a variety of electronic and optoelectronic applications.[1][2]

Application

SiC is majorly used as a base material for applications such as micro-structures,[3] opto-electronic devices (light emitting diodes (LEDs), UV detectors),[4][5] high temperature electronics (nuclear electronics),[6] and high frequency devices.[7]

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

nwg

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
0000338335
0000338335
MKCP8220
MKCN0367
MKCN0364

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Questions

1–8 of 8 Questions  

  1. こちらの製品は　労安規則(577条の2)がん原性物質　でしょうか

    1 answer

    1. Classifications set by the Labor Safety Regulations are out of scope and not reported in the current SDS document. The Carcinogenicity values offered by other agencies may be found in Sections 8 and 11 of the SDS. Please see the link below to review this document:
      https://www.sigmaaldrich.com/sds/aldrich/357391

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  2. Where can I find other Silicon- or Carbon-based materials?

    1 answer

    1. Sigma-Aldrich offers a wide variety of Silicon-, Carbon-, and other metal-based ceramic materials.

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  3. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  4. The particle size of Silicon carbide, Product 357391, is listed in "mesh". What does this mean?

    1 answer

    1. "Mesh" is a designation that refers to the particle size. It is related to the size screen -or mesh- through which the particles will pass. Product No. 357391 has a particle size of -400 mesh, which corresponds to a size of less than 38μm.

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  5. What solvents can I use to dissolve Silicon carbide, Product 357391?

    1 answer

    1. Unfortunately, Sigma-Aldrich does not test the solubility of this material. Fundamentally, Silicon carbide (SiC) is insoluble in water. However, according to Lange's Handbook of Chemistry (16th ed.), beta-phase SiC is expected to be soluble in fused alkali oxides (e.g. KOH) at a ratio of 1 part per 100 parts. No specific solubility information is available for this alpha-phase product.

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  6. What applications can Silicon carbide, Product 357391, be used for?

    1 answer

    1. Silicon carbide (SiC) has found use in a variety of commercial applications. Historically, SiC has been used most frequently in the metallurical, abrasive, and refactory industries. More recently, this material has found increased use in high technology applications (e.g. electronics, aerospace, automotive, etc.).

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  7. Is Silicon carbide, Product 357391, alpha- or beta-phase?

    1 answer

    1. According to our supplier, this product is alpha-phase with a hexagonal crystal structure.

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  8. How does the storage temperature relate to shipping conditions?

    1 answer

    1. The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment.

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