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Cas:10043-11-5
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Min.Order:10 Gram
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Boron Nitride CAS: 10043-11-5 Specification Grade Purity Oxygen Carbon B203 Metallic impurities Particle size Specific surface Bulk density BN-AA >99% 0.4% 0.05% <0.3% <0.2% 3um
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inquiryConditions | Yield |
---|---|
With multi-walled carbon nanotubes In solid byproducts: CO, H2, H2O; mixt. of multi-walled carbon nanotubes and H3BO3 taken in quartz tube, NH3 gas passed through with 10 sccm flow rate at 200 °C 2 h, temp.slowly raised to 1000 °C for 3 h; | 99% |
With pyrographite; iron In neat (no solvent) byproducts: CO, H2, H2O; mixt. of activated carbon, H3BO3 and ferric nitrate (mole ratio of 3:1:0.1) taken in quartz tube, dried in oven at 60 °C 6 h, NH3 gas passed through with 10 sccm flow rate, heating at 1300 °C for 4 h; | |
byproducts: H2O; synthesis of BN coating on the surfaces of carbon nanotubes and nanofibers around 1150°C using infiltration of nanotubes with boric acid and nitridation in ammonia; |
Conditions | Yield |
---|---|
over 600°C in N2 atmosphere; | 90% |
Ca3N2, hexagonal High Pressure; over 100kg/cm2, in N2 stream, 1700-2000°C, 5-9 min; washing with water; | 80% |
magnesium nitride High Pressure; over 100kg/cm2, in N2 stream, 1700-2000°C, 5-9 min; washing with water; | 80% |
Conditions | Yield |
---|---|
With Fe2O3 In neat (no solvent, solid phase) mixt. CaB6 and Fe2O3 was heated to 750°C for 10 min under Ar atm., heated to 1150°C at 6°C/min keeping for 6 h in NH3 atm.; react. mixt. was cooled to room temp., product was washe with HCl, filtered, washed with water and dried in vacuo at 80°C for 12 h; | 81.4% |
Conditions | Yield |
---|---|
With NH3 byproducts: H2; at 190°C, NH3:B2H6=9:1; | A 9% B n/a C 80% |
Conditions | Yield |
---|---|
Ca3N2, hexagonal High Pressure; over 100kg/cm2, in N2 stream, 1700-2000°C, 5-9 min; washing with water; | 80% |
magnesium nitride High Pressure; over 100kg/cm2, in N2 stream, 1700-2000°C, 5-9 min; washing with water; | 80% |
With ammonia heating at 900°C for 2-6 h under NH3 flow; |
Conditions | Yield |
---|---|
Ca3N2, hexagonal High Pressure; over 100kg/cm2, in N2 stream, 1700-2000°C, 5-9 min; washing with water; | 80% |
magnesium nitride High Pressure; over 100kg/cm2, in N2 stream, 1700-2000°C, 5-9 min; washing with water; | 80% |
500-900°C in NH3 stream, at 1650°C in N2 or NH3 stream; |
Conditions | Yield |
---|---|
excess of NH3 at ambient temp. in N2 or H2 atmosphere; heating in H2 at 1200°C; 1000°C in H2 stream or in vac.; or at 2000°C in N2; | 80% |
With hydrogen In gaseous matrix r. f. thermal plasma chemical vapour deposition (Ar carrier gas, Mo or Si substrate, substrate temp. 430-1100°C, deposition time 5 -10 min); secondary electron microscopy, X-ray diffraction; | |
BCl3 + NH3 flow (P(BCl3)/P(NH3) = 0.5) passed on support heated at 1323 K (3.5-4.5 min); BCl3 flow stopped; kept in Ar + 7% H2 atm (NH3 flow reduced by 1/2) for 30 min; total flow rate reduced; cooled to room temp.; XRD; |
poly(2-vinylpentaborane)
boron nitride
Conditions | Yield |
---|---|
With ammonia In not given byproducts: CH4, H2; slowly heating (2 °C/min) of B5H8CHCH2 from 25 to 350 °C under a flow of NH3 (100 mL/min), heating (10 °C/min) to 1000 °C, temp. maintained at 1000 ° C for 2 h;; elem. anal., the largely amorphous product changes at 1450 °C to crystalline BN;; | 72.2% |
Conditions | Yield |
---|---|
In melt 300-1000°C, 1 mole dicyandiamide, 2 mole NH4Cl, 2-4 mole H3BO3; | 65% |
Conditions | Yield |
---|---|
With NH3 byproducts: H2; at 400°C, NH3:B2H6=9:1; | A 30% B 65% |
Conditions | Yield |
---|---|
In neat (no solvent) byproducts: NaCN, CO2, NH3; High Pressure; mixing of NaBH4 and CO(NH2)2, placing into stainless steel autoclave, sealing and heating at rate of 20°C/min in furnace to 550°C,heating at this temp. for 10 h, natural cooling to ambient temp.; washing with EtOH, dilute HCl and H2O several times, drying at 60°C for 10 h; | 65% |
boron nitride
Conditions | Yield |
---|---|
With NH3 In neat (no solvent) pyrolysis under NH3 to 1000 °C; detn. by elem. anal.; | 62.4% |
borazine
boron nitride
Conditions | Yield |
---|---|
In neat (no solvent) pyrolysis under pressure (100 MPa) at temperatures between 250°C and 700°C (N2), elem.anal.; | 60% |
In neat (no solvent) High Pressure; borazine sealed under N2 in a gold capsule, pyrolyzed at 250-700°C, 25-100MPa, heating rate 10°C/min; | |
In neat (no solvent) preparation of BN layers by induction heating of borazol; | |
In neat (no solvent, gas phase) byproducts: H2; deposition on varius substrates; | |
N2-carrying gas, chemical vapor deposition (graphite substrate, 1300-1800°C, 100-10000 Pa); detd. by IR spectroscopy; |
Conditions | Yield |
---|---|
at 400°C for 2 h; | A 50% B n/a |
at 260-300°C in high vac. for 18 h; |
Conditions | Yield |
---|---|
With H2; N2 In neat (no solvent) Electric Arc; pulse heating (plasma, puls repitition rate 5-12,5 Hz, N2 flow 0.2 - 1.65 l/min, H2 flow 1.13 - 3.5 l/min9; further products; X-ray diffraction; | A n/a B n/a C 50% D n/a E n/a |
Conditions | Yield |
---|---|
With MgO In neat (no solvent) 1:1 mixt. of B and MgO heated to 1300 °C using RF inducting furnace, vapour argon-transported in to reaction chamber with temp. ca. 1100 °C, NH3 flow introduced; detd. by XRD; | 40% |
With magnesium oxide In neat (no solvent) byproducts: Mg; 1:1 molar mixt. of B and MgO reacted at 1300 °C to form B2O2 and Mg vapor, Ar-transported into react. chamber kept at 1100 °C, NH3added, at 1100 °C BN produced; Mn and Cr impurities from MgO trapped during BN growth; | |
nickel boride In solid B and NiB/Al2O3 mixed by ball-milling 8 h, placed in alumina tube, heated in flowing argon at 1000-1500 °C, NH3 introduced at rate of 80 sccm 2 h, cooled to room temp.; |
boron trifluoride
boron trichloride
B
boron nitride
C
magnesium chloride
Conditions | Yield |
---|---|
700-1000°C; diluterd with N2; washing with HCl at 1000°C; | A n/a B 34% C n/a |
Conditions | Yield |
---|---|
byproducts: NH3, NaOH; mol ratio of B2O3:NaNH2 = 1:3; heating; reactn. starts at 210°C;; | 29.9% |
byproducts: NH3, NaOH; mol ratio of B2O3:NaNH2 = 1:3; heating; reactn. starts at 210°C;; | 29.9% |
byproducts: NH3, NaOH; mol ratio of B2O3:NaNH2 = 1:3; at 165°C in the presence of large amts. of NaOH; | |
byproducts: NH3, NaOH; mol ratio of B2O3:NaNH2 = 1:3; at 165°C in the presence of large amts. of NaOH; |
2,4,6-triazidoborazine
boron nitride
Conditions | Yield |
---|---|
In neat (no solvent) heating in Pt-crucible inside quartz tube (N2-stream, 1200.°C, 8 h); elem. anal.; | 15% |
aluminum oxide
nitrogen
aluminium
A
boron nitride
Conditions | Yield |
---|---|
With Fe impurity In neat (no solvent) AlB2 (contg. Al, Fe and Al2O3 impurities) powder pressed uniaxially at 60 MPa; nitrided with N2 (8 atm) at 1900°C for 1 h; detd. by X-ray diffraction; composite contg. AlN, BN, FeB49 (trace) and Al5O6N (trace) obtained; | A n/a B n/a C 1% D 1% |
With Fe impurity In neat (no solvent) AlB2 (contg. Al, Fe and Al2O3 impurities) powder pressed uniaxially at 60 MPa; nitrided with N2 (8 atm) at 1600°C for 1 h; detd. by X-ray diffraction; composite contg. AlN, BN, FeB49 and Al5O6N (trace) obtained; | A n/a B n/a C n/a D 1% |
aluminum oxide
nitrogen
aluminium
A
boron nitride
Conditions | Yield |
---|---|
In neat (no solvent) AlB2 (contg. Al and Al2O3 impurities) powder pressed uniaxially at 60 MPa; nitrided with N2 (8 atm) at 2000°C for 1 h or at 1600°Cfor 5 h and then at 2000°C for 1 h; detd. by X-ray diffraction; composite contg. AlN, BN, Al1.67B22 (trace) and Al5O6N (trace) obtained; | A n/a B n/a C 1% D 1% |
aluminum oxide
nitrogen
aluminium
A
boron nitride
Conditions | Yield |
---|---|
In neat (no solvent) AlB2 (contg. Al and Al2O3 impurities) powder pressed uniaxially at 60 MPa; nitrided with N2 (8 atm) at 1600°C for 5 h and at 1900°C for 1 h; detd. by X-ray diffraction; composite contg. AlN, BN and Al5O6N (trace) obtained; | A n/a B n/a C 1% |
Conditions | Yield |
---|---|
In solid Reaction at higher temperatures and with glowing effects. Formation of various Mg compounds.; | |
In neat (no solvent, solid phase) Reaction at higher temperatures and with glowing effects. Formation of various Mg compounds.; |
Conditions | Yield |
---|---|
With sodium byproducts: O2; | |
With Na byproducts: O2; |
boron nitride
Conditions | Yield |
---|---|
With ammonia byproducts: H2O; formatin of BN on the surface by heating; | |
With potassium cyanide by glowing; | |
With ammonia In neat (no solvent) reaction at 600°C;; |
Conditions | Yield |
---|---|
With pyrographite In gaseous matrix byproducts: B4C; heating (1573-1773 K, 8 h, N2 or N2/H2), phase composition nad microstructure depending on temperature, time, starting B/C ratio, and gas composition; | |
With pyrographite In gas laser ablation of B2O3 in the presence of graphite in atmosphere of N2 (He carrier gas) in a pulsed supersonic jet; MS; | |
chemically vapor deposition on carbon nanotubes under flow of N2 at 1500°C; detn. by HRTEM; |
Conditions | Yield |
---|---|
byproducts: O2; | |
byproducts: O2; |
Conditions | Yield |
---|---|
by glowing; |
Conditions | Yield |
---|---|
byproducts: sodium borate; small amounts of BN are obtained;; |
Conditions | Yield |
---|---|
In neat (no solvent) reaction of mixture in N2 atmosphere;; | |
byproducts: CO; in N2 under pressure; | |
With ammonia by heating; |
Conditions | Yield |
---|---|
In neat (no solvent) heating (1200°C, 4 d, 1000°C, 4 d), cooling to room temp. (10 h); | A n/a B 80% |
Conditions | Yield |
---|---|
metal, halogenide, boron nitride and graphite are placed in niobium ampoules, heated at 950°C for 12 h, tempered at 800°C for 3 d; | 70% |
Conditions | Yield |
---|---|
metal, halogenide, boron nitride and graphite are placed in niobium ampoules, heated at 950°C for 12 h, tempered at 800°C for 3 d; | 70% |
Conditions | Yield |
---|---|
In neat (no solvent) heating (1200°C, 4 d, 1000°C, 4 d), cooling to room temp. (10 h); | 60% |
Conditions | Yield |
---|---|
With W In neat (no solvent) BN, Ba, W and BaCO3 were filled into a W-crucible under Ar, high-frequency furnace, heating under N2 up to 750 °C in 45 min, keeping at this temp. for 30 min, heating up to 1450 °C in 1 h, keeping at this temp. for 30 min; cooling to 200 °C in 39 h; | 50% |
Conditions | Yield |
---|---|
In trichlorofluoromethane byproducts: BF3; Sonication; condensing of a mixture of I2, BN and CCl3F into a quartz apparature (passivated with F2), addn. of F2 at -196°C, warming to -30°C for 2 h under shaking, exposur to ultrasonic waves for 5 min at -18°C (explosion danger); warming to -10°C, pumping of CCl3F at -50°C, sublimation at -20°C; | 30% |
boron nitride
boric acid
Conditions | Yield |
---|---|
With water after 1 hour reaction with boiling water; | 1.2% |
With H2O after 1 hour reaction with boiling water; | 1.2% |
With hydrogenchloride byproducts: NH4Cl; at 160-200°C in sealed tube; |
Conditions | Yield |
---|---|
low red heat; extraction of KCN with alcohol or H2O; | |
low red heat; extraction of KCN with alcohol or H2O; |
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