8.06373
Sodium borohydride
fine granular for synthesis
동의어(들):
Sodium borohydride, Sodium tetrahydridoborate
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제품정보 (DICE 배송 시 비용 별도)
실험식(Hill 표기법):
H4BNa
CAS 번호:
Molecular Weight:
37.83
UNSPSC Code:
12352306
EC Index Number:
241-004-4
NACRES:
NA.22
MDL number:
Form:
solid
vapor pressure
<1 hPa ( 25 °C)
Quality Segment
form
solid
autoignition temp.
220 °C
potency
160 mg/kg LD50, oral (Rat), 230 mg/kg LD50, skin (Rabbit)
expl. lim.
3.02 % (v/v)
reaction suitability
reagent type: reductant
pH
11 (20 °C, 10 g/L in H2O)
bp
500 °C (decomposition)
mp
>360 °C (slow decomposition)
transition temp
flash point 69 °C
density
1.07 g/cm3 at 20 °C
bulk density
350‑500 kg/m3
storage temp.
2-30°C
SMILES string
[Na+].[B-H2]
InChI
1S/BH4.Na/h1H4;/q-1;+1
InChI key
YOQDYZUWIQVZSF-UHFFFAOYSA-N
General description
Sodium borohydride (NaBH4) is the most commonly available borohydride used in several industrial applications. It is considered as a selective reducing agent due to its ability to selectively reduce aldehydes and ketones into their corresponding alcohols in the presence of other functional groups such as nitro, ester, amide, lactone, epoxide, and nitriles. Ethanol and methanol are usually employed as solvents in NaBH4 reduction reactions.
Application
Sodium borohydride (fine granular) can be used as a reducing agent to prepare:
- Zero valent iron nanoparticles supported on mesoporous carbon (Starbon) by in situ reductions of Fe3+ ions.
- Ag nanoparticles on graphene using AgNO3 as a precursor.
- Ag-Pd/ZrO2 catalytic system applicable in plasmonic catalysis. It can also be used as a source to store as well as generate hydrogen for energy-carrier applications.
Analysis Note
Assay (hypochlorite): ≥ 98.0 %
Identity (ICP-OES): passes test
Identity (ICP-OES): passes test
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signalword
Danger
supp_hazards
flash_point_f
Not applicable
flash_point_c
Not applicable
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1B - Water-react. 1
저장 등급
4.3 - Hazardous materials which set free flammable gases upon contact with water