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Merck
CN

8.06373

Sodium borohydride

fine granular for synthesis

别名:

Sodium borohydride, Sodium tetrahydridoborate

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经验公式（希尔记法）:
H4BNa
化学文摘社编号:
16940-66-2
分子量:
37.83
UNSPSC Code:
12352306
EC Index Number:
241-004-4
NACRES:
NA.22
MDL number:
MFCD00003518

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产品名称

Sodium borohydride, fine granular for synthesis

SMILES string

[Na+].[B-H2]

InChI

1S/BH4.Na/h1H4;/q-1;+1

InChI key

YOQDYZUWIQVZSF-UHFFFAOYSA-N

vapor pressure

<1 hPa ( 25 °C)

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

Quality Level

200

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相关类别

Analysis Note

Assay (hypochlorite): ≥ 98.0 %
Identity (ICP-OES): passes test

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.

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.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1B - Water-react 1

supp_hazards

EUH014

存储类别

4.3 - Hazardous materials, which set free flammable gases upon contact with water

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

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Hydrogen production from solid sodium borohydride
Gislon P, et al.
International Journal of Hydrogen Energy, 34(2), 929-937 (2009)
Sodium Borohydride
Banfi Luca, et al.
eEROS (Encyclopedia of Reagents for Organic Synthesis) (2014)
Ag-stabilized few-layer graphene dispersions in low boiling point solvents for versatile nonlinear optical applications
Sun Zhenyu, et al.
Carbon, 62, 182-192 (2013)
Synthesis and characterization of robust zero valent iron/mesoporous carbon composites and their applications in arsenic removal
Baikousi M, et al.
Carbon, 93, 636-647 (2015)
Erandi Peiris et al.
Journal of visualized experiments : JoVE, (162) (2020-09-08)
Localized surface plasmon resonance (LSPR) in plasmonic nanoparticles (NPs) can accelerate and control the selectivity of a variety of molecular transformations. This opens possibilities for the use of visible or near-IR light as a sustainable input to drive and control

实验方案

Fmoc Resin Cleavage and Deprotection

Fmoc resin cleavage and deprotection are crucial steps for peptide synthesis, yielding the desired peptide after resin detachment.

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