NICKEL BORIDE Chemical Properties

Melting point:

1125°C

Density 

7.900

storage temp. 

Store below +30°C.

solubility 

Aqueous Acid (Slightly)

form 

-35 Mesh Granular

color 

refractory solid

Water Solubility 

Insoluble in water, aqueous base and most organic solvents.

Exposure limits

ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 10 mg/m3; TWA 0.015 mg/m3

EPA Substance Registry System

Nickel boride (Ni2B) (12007-01-1)

Safety Information

Hazard Codes 

T

Risk Statements 

45-20/21/22-42/43

Safety Statements 

53-26-36/37/39-45

WGK Germany 

3

TSCA 

Yes

HS Code 

2850 00 90

HazardClass 

9

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

NICKEL BORIDE Usage And Synthesis

Chemical Properties

GREY METALLIC POWDER

Uses

Nickel Boride is used as a selective hydrogenation catalyst, desulfurization catalyst; reduces nitro and other functional groups; dehalogenation catalyst; hydrogenolysis catalyst.

Preparation

Preparative Methods of Nickel Boride: to a stirred suspension of 1.24 g (5 mmol) of powdered Nickel(II) Acetate in 50 mL of 95% ethanol is added 5 mL of a 1 M solution of Sodium Borohydride in 95% ethanol at room temperature (control frothing). Stirring is continued until the gas evolution ceases (usually 30 min). The flask is used directly in the hydrogenation. This catalyst is nonpyrophoric.

storage

Caution must be taken in handling nickel salts. Ingestion of soluble nickel salts causes nausea, vomiting, and diarrhea. Nickel chloride has an LD50 (iv) = 40-80 mg kg-1 in dogs. Many nickel salts will sublime in vacuo. Nickel metal is carcinogenic and certain nickel compounds may reasonably be expected to be carcinogenic.

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