vapor density
>1 (vs air)
Quality Level
grade
puriss. p.a.
assay
≥98% (T)
form
solid
loss
≤3% loss on ignition, 900 °C
mp
450 °C (lit.)
density
2.46 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤20 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Ag: ≤5 mg/kg, Al: ≤50 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤30 mg/kg, Mg: ≤20 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤200 mg/kg, Ni: ≤5 mg/kg, Pb: ≤30 mg/kg, Sr: ≤5 mg/kg, Tl: ≤10 mg/kg, Zn: ≤5 mg/kg
SMILES string
O=BOB=O
InChI
1S/B2O3/c3-1-5-2-4
InChI key
JKWMSGQKBLHBQQ-UHFFFAOYSA-N
General description
硼酸酐(三氧化硼)是具有菱形晶体的无色玻璃状吸湿性物质。它在水中的溶解是高度放热的反应,同时形成原硼酸。它可以通过加热硼酸进行制备。在冶金过程中用作助焊剂。据报道,它是结晶抑制剂。
Application
硼酸酐可作为硼前体:
- 通过与尿素和三聚氰胺的热缩合反应合成硼碳氮化纳米片(BCN)。
- 通过化学气相沉积法合成掺硼还原氧化石墨烯(B-rGO)。
Other Notes
通过熔融作用分解硅酸盐的试剂
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signalword
Danger
hcodes
Hazard Classifications
Repr. 1B
存储类别
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Palladium-catalyzed stereospecific substitution of alpha,beta-unsaturated gamma,delta-epoxy esters by alcohols with double inversion of configuration: synthesis of 4-alkoxy-5-hydroxy-2-pentenoates.
Xiao-Qiang Yu et al.
Angewandte Chemie (International ed. in English), 47(4), 750-754 (2007-12-12)
R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 15678-50G | 04061838742902 |
| 15678-1KG | 04061838742889 |
| 15678-250G | 04061838742896 |
