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8.18823

Sigma-Aldrich

Sodium borohydride

(tablets) for synthesis

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Synonym(s):
Sodium borohydride, Sodium tetrahydridoborate
Empirical Formula (Hill Notation):
H4BNa
CAS Number:
Molecular Weight:
37.83
MDL number:
EC Index Number:
241-004-4

vapor pressure

<1 hPa ( 25 °C)

Quality Level

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

InChI

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

InChI key

YOQDYZUWIQVZSF-UHFFFAOYSA-N

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This Item
8.063731.06371452890
vibrant-m

8.18823

Sodium borohydride

vibrant-m

8.06373

Sodium borohydride

vibrant-m

1.06371

Sodium borohydride

vibrant-m

452890

Sodium borohydride

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

200

storage temp.

2-30°C

storage temp.

2-30°C

storage temp.

no temp limit

storage temp.

-

mp

>360 °C (slow decomposition)

mp

>360 °C (slow decomposition)

mp

>360 °C (slow decomposition)

mp

>300 °C (dec.) (lit.)

density

1.07 g/cm3 at 20 °C

density

1.07 g/cm3 at 20 °C

density

1.07 g/cm3 at 20 °C

density

-

form

solid

form

solid

form

-

form

caplets (18 × 10 × 8 mm)

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

Hazard Classifications

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

supp_hazards

Storage Class

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

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


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

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