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Bornitrid Produkt Beschreibung

Boron nitride Struktur
10043-11-5
CAS-Nr.
10043-11-5
Bezeichnung:
Bornitrid
Englisch Name:
Boron nitride
Synonyma:
BN C;BNC1;elbor;shobn;BN B50;BN F15;BN A01;bzn550;elborr;uhp-ex
CBNumber:
CB9266197
Summenformel:
BN
Molgewicht:
24.82
MOL-Datei:
10043-11-5.mol

Bornitrid Eigenschaften

Schmelzpunkt:
2700℃
Siedepunkt:
sublimes sl below 3000℃ [MER06]
Dichte
2.29
storage temp. 
-20°C
Aggregatzustand
Powder
Farbe
White
Wichte
3.48
PH
5-8 (100g/l, H2O, 20℃)(slurry)
Wasserlöslichkeit
Soluble in water (slightly soluble) at 20°C, and water (soluble) at 95°C.
Sensitive 
Hygroscopic
Merck 
14,1346
Stabilität:
Stable. Incompatible with oxidizing agents, water.
CAS Datenbank
10043-11-5(CAS DataBase Reference)
NIST chemische Informationen
Boron nitride(10043-11-5)
EPA chemische Informationen
Boron nitride (BN) (10043-11-5)
Sicherheit
  • Risiko- und Sicherheitserklärung
  • Gefahreninformationscode (GHS)
Kennzeichnung gefährlicher Xi
R-Sätze: 36/37
S-Sätze: 26-36
RIDADR  UN1950
WGK Germany  3
RTECS-Nr. ED7800000
TSCA  Yes
HS Code  2850 00 20
HazardClass  2.1
Toxizität LD50 orally in Rabbit: > 2000 mg/kg LD50 dermal Rat > 2000 mg/kg
Bildanzeige (GHS)
Alarmwort
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H222 Extrem entzündbares Aerosol. Aerosole Kategorie 1 Achtung P210, P211, P251, P410+P412
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung P264, P280, P305+P351+P338,P337+P313P
H333 May be harmful if inhaled Acute toxicity,inhalation Category 5 P304+P312
H335 Kann die Atemwege reizen. Spezifische Zielorgan-Toxizität (einmalige Exposition) Kategorie 3 (Atemwegsreizung) Warnung
H336 Kann Schläfrigkeit und Benommenheit verursachen. Spezifische Zielorgan-Toxizität (einmalige Exposition) Kategorie 3 (Schläfrigkeit und Benommenheit) Warnung P261, P271, P304+P340, P312,P403+P233, P405, P501
Sicherheit
P210 Von Hitze, heißen Oberflächen, Funken, offenen Flammen und anderen Zündquellenarten fernhalten. Nicht rauchen.
P251 Nicht durchstechen oder verbrennen, auch nicht nach Gebrauch.
P261 Einatmen von Staub vermeiden.
P264 Nach Gebrauch gründlich waschen.
P264 Nach Gebrauch gründlich waschen.
P304+P340 BEI EINATMEN: Die Person an die frische Luft bringen und für ungehinderte Atmung sorgen.
P305+P351+P338 BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach Möglichkeit entfernen. Weiter spülen.
P337+P313 Bei anhaltender Augenreizung: Ärztlichen Rat einholen/ärztliche Hilfe hinzuziehen.
P405 Unter Verschluss aufbewahren.
P410+P412 Vor Sonnenbestrahlung schützen. Nicht Temperaturen über 50 °C aussetzen.

Bornitrid Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:

R36/37:Reizt die Augen und die Atmungsorgane.

S-Sätze Betriebsanweisung:

S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.

Beschreibung

Boron nitride is a material in which the extra electron of nitrogen (with respect to carbon) enables it to form structures that are isoelectronic with carbon allotropes.

Chemische Eigenschaften

white powder(s), 1μm or less 99.5% pure; hexagonal, most common form: a=0.2504 nm, c=0.6661nm; fcc: a=0.3615nm; hardness: hexagonal like graphite,?cub approaches that of diamond; band gap ~7.5 eV at 300K; dielectric 7.1; used in furnace insulation and in crucibles for melting aluminum, boron, iron, and silicon, also as sputtering target for dielectrics, diffusion masks, passivation layers [KIR81] [HAW93] [MER06] [CER91]

Physikalische Eigenschaften

White powder, hexagonal graphite-like form or cubic crystal; cubic form similar to diamond in its crystal structure, and reverts to graphite form when heated above 1,700°C; density 2.18 g/cm3; melts at 2,975°C (under nitrogen pressure); sublimes at 2,500°C at atmospheric pressure; insoluble in water and acid; attacked by hot alkalies and fused alkali carbonates; not wetted by most molten metals or glasses.

Verwenden

Boron nitride is a material in which the extra electron of nitrogen (with respect to carbon) enables it to form structures that are isoelectronic with carbon allotropes. Also used in manufacture of alloys; in semiconductors, nuclear reactors, lubricants.

Verwenden

boron nitride is a synthetically manufactured white, talc-like powder that can reflect light, giving a product a sparkle effect. It is Copyright 2014 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial Review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. primarily used in color cosmetics to provide subtle shimmer; however, it can also be found in skin care formulations for enhancing product smoothness and slip.

Definition

boron nitride: A solid, BN, insolublein cold water and slowly decomposedby hot water; r.d. 2.25 (hexagonal);sublimes above 3000°C. Boronnitride is manufactured by heatingboron oxide to 800°C on an acid-solublecarrier, such as calcium phosphate,in the presence of nitrogen orammonia. It is isoelectronic with carbonand, like carbon, it has a veryhard cubic form (borazon) and asofter hexagonal form; unlikegraphite this is a nonconductor. It isused in the electrical industrieswhere its high thermal conductivityand high resistance are of especialvalue.

synthetische

Boron nitride is prepared by heating boric oxide with ammonia:
B2O3 + 2NH3 → 2BN + 3H2O
Alternatively, the compound can be prepared by heating boric oxide or boric acid with ammonium chloride or an alkali metal cyanide. Purified product can be obtained by high temperature reaction of boron halide with ammonia:
BCl3 + NH3 → BN + 3HCl
Boron nitride can also be made from the elements by heating boron and nitrogen at red heat.

Vorbereitung Methode

In tonnage production, acetaldehyde may be manufactured by:
1. The direct oxidation of ethylene, requiring a catalytic solution of copper chloride plus small quantities of palladium chloride Cl2Pd.
2. The oxidation of ethyl alcohol C2H6O with sodium dichromate Cr2Na2O7, and
3. The dry distillation of calcium acetate C4H6CaO4 with calcium formate C2H2CaO4.

Industrielle Verwendung

Boron nitride (BN) has many potential commercial applications. It is a white, fluffy powder with a greasy feel. It is used for heat-resistant parts by molding and pressing the powder without a binder to a specific gravity of 2.1 to 2.25.
BN may be prepared in a variety of ways, for example, by the reaction of boron oxide with ammonia, alkali cyanides, and ammonium chloride, or of boron halides and ammonia. The usually high chemical and thermal stability, combined with the high electrical resistance of BN, suggests numerous uses for this compound in the field of high-temperature technology. BN can be hot-pressed into molds and worked into desired shapes.
BN powders can be used as mold-release agents, high-temperature lubricants, and additives in oils, rubbers, and epoxies to improve thermal conductance of dielectric compounds. Powders also are used in metal- and ceramicmatrix composites (MMC and CMC) to improve thermal shock and to modify wetting characteristics.
The platy habit of the particles and the fact that boron nitride is not wet by glass favors use of the powder as a mold wash, e.g., in the fabrication of high-tension insulators. It is also useful as thermal insulation in induction heating. A cubic form of boron nitride (Borazon) similar to diamond in hardness and structure has been synthesized by the high-temperature, high-pressure process for making synthetic diamonds. Any uses it may find as a substitute for diamonds will depend on its greatly superior oxidation resistance.

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0371-55170693
0371-55170693 info@tianfuchem.com CHINA 22626 55
Chemson Industrial (Shanghai) Co., Ltd.
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86-21-65180813 sales1@chemson.com.cn CHINA 117 58
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10043-11-5(Bornitrid)Verwandte Suche:


  • Q/TY·J08.04-2010
  • Nitriloboron
  • Boron nitride nanopowder, APS 5-20nm
  • Boron nitride sputtering target, 25.4mm (1.0in) dia x 3.18mm (0.125in) thick, 99.99% (metals basis e
  • Boron nitride, Aerosol Refractory Paint, 97+%, (balance B2O3)
  • Boron Nitride (Metals Basis)
  • boron mononi
  • Boron nitride,hexagonal
  • BORON NITRIDE 25 G
  • BORON NITRIDE 50 G
  • BN Nanoplates
  • Boron Nitride dispersion
  • BN B50
  • BN C
  • BN F15
  • BN A01
  • BORON NITRIDE
  • BORON NITRIDE NANOTUBE
  • BORON NITRIDE ROD
  • LUBRIFORM BN 10
  • LUBRIFORM BN 15
  • bn40shp
  • borazon
  • boronmononitride
  • boronnitride(bn)
  • bzn550
  • denkaboronnitridegp
  • denkagp
  • elbor
  • elborlo10b1-100
  • elboron
  • elborr
  • elborrm
  • geksanitr
  • hexaniter
  • hexanitr
  • kbn-h10
  • kubonit
  • kubonitkr
  • shobn
  • shobnhps
  • sp1(nitride)
  • supermightym
  • uhp-ex
  • wurzin
  • Boronnitrideoffwhitepowder
  • BORON NITRIDE, POWDER, CA. 1 MICRON, 98%
  • BoronNitride(Lab)
  • BORON NITRIDE SERIES PRODUCTS BY HIGH TEMPERATURE AND PRESSURE
  • Boronnitride,99+%
  • boron nitride, low binder
  • Boron nitrite
  • BN F15 BORON NITRIDE GRADE F15 - A PRODUCT OF H.C. STARCK
  • BN B50 BORON NITRIDE GRADE B 50 - A PRODUCT OF H.C. STARCK
  • BN A01 BORON NITRIDE GRADE A 01 - A PRODUCT OF H.C. STARCK
  • BN C - BORON NITRIDE GRADE C - A PRODUCT OF H.C. STARCK
  • Boron nitride, 99.5% (metals basis)
  • Boron nitride sputtering target, 25.4mm (1.0in) dia x 3.18mm (0.125in) thick, 99.99% (metals basis excluding Ca)
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