Amorphous Element Boron materials from CrownRe

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Product Name: Amorphous element boron

Test Standard: Q/CIMC002-2011

CAS Number: 7440-42-8

Melting Point: 2300±2

Density: 2.34~2.37

Solvability: Insoluble in water, hydrochloric acid, ethanol and ethyl ether, soluble in the cold concentrated solution to decompose hydrogen, oxidized into boric acid by concentrated sulfuric acid and nitrate.

Technical Data

Item

First class

Second class

Third class

B %

95.0

92.0

90.0

PH (10% water)

6.0~8.0

6.0~8.0

6.0~8.0

Water %

1.00

1.00

1.00

Insoluble H2O3

0.70

0.70

0.70

Water soluble B %

0.60

0.80

1.00

Appearance

Maple to Ash blck