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Merck
CN

8.18823

Sodium borohydride

(tablets) for synthesis

Synonym(s):

Sodium borohydride, Sodium tetrahydridoborate

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About This Item

Empirical Formula (Hill Notation):
H4BNa
CAS Number:
16940-66-2
Molecular Weight:
37.83
UNSPSC Code:
12352306
EC Index Number:
241-004-4
NACRES:
NA.22
MDL number:
MFCD00003518
Form:
solid

Key Documents

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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][BH4]

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)

Quality Level

200

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General description

Sodium borohydride (NaBH4) is the most commonly available borohydride used in several industrial applications. It is considered 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 (tablets form) can be used as a potential candidate to store as well as generate hydrogen for energy-carrier,applications.

Analysis Note

Assay (hypochlorite): ≥ 96.0 %
Identity (ICP-OES): passes test

signalword

Danger

supp_hazards

EUH014

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Hazard Classifications

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

Storage Class

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

Regulatory Information

监管及禁止进口产品
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Certificates of Analysis (COA)

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Hydrogen generation by both acidic and catalytic hydrolysis of sodium borohydride
Netskina OV, et al.
Catalysis for Sustainable Energy, 5(1), 41-48 (2018)
Sodium Borohydride
Banfi Luca, et al.
eEROS (Encyclopedia of Reagents for Organic Synthesis) (2014)

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