High Purity Antimony

Description

High Purity Antimony Sb 4N5, 5N, 6N, 7N, 7N5, a silver white brittle and crystalline metal, atomic weight 121.76, density 6.62g/cm³, melting point 630°C, boiling point 1750°C,exhibiting a good resistance to corrosion and stable in dry air, but easily soluble in hot nitric acid and react with hot sulfuric acid, is a poor conductor of heat and electricity. High purity antimony is obtained to more than 99.995%, 99.999%, 99.9999%, 99.99999% and 99.999995% purity by purification method of reduction of antimony trioxide or chlorination rectification with multistage vacuum distillation, zone melting process or single crystal pulling growth techniques etc. High Purity Antimony 5N 6N 7N 7N5 Sb qualified by ICP-MS or GDMS at Western Minmetals (SC) Corporation can be delivered in various forms of irregular lump 3-25mm, shot 2-6mm, bar D20-40mm, and D15-25mm crystal for MBE application.

Applications

High Purity Antimony Sb is used for the preparation of high purity alloy, diodes , electronic refrigerating elements, film for optical memory disk, thermo-electron converter, photovoltaic, and infrared materials sectors, as well as a dopant in n-type semiconductor silicon and germanium monocrystal. High purity Antimony is important source metals for growing crystals of III-V compound semiconductors like Indium antimonide InSb, gallium antimonide GaSb and bismuth antimonide BiSb used for Hall sensors and infrared detectors, and as epitaxy source for MBE growth with various forms and shapes.

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Technical Specification

Sb

Atomic No.	51
Atomic Weight	121.76
Density	6.68g/cm³
Melting Point	630°C
Boiling Point	1380°C
CAS No.	7440-36-0
H.S Code	8110.1011.00

Commodity	Standard Specification
Commodity	Purity		Impurity (ICP-MS or GDMS Test Report, PPM Max each)
High Purity Antimony	4N5	99.995%	Ag/Cu/Ni/Cd/Mn/Au 1.0 Mg 2.0, Zn/Fe/Bi/Si/As 5.0, Pb /S 10	Total ≤50
	5N	99.999%	Ag/Cu 0.05, Mg/Ni/Bi/Au 0.2, Zn/Fe/Pb/S 0.5, Cd/Si/As 1.0	Total ≤10
	5N5	99.9995%	Ag/Cu 0.05, Mg/Ni/Bi/Au 0.2, Zn/Fe/Pb/S 0.5, Cd/Si 1.0, As 0.5	Total ≤5.0
	6N	99.9999%%	Ag/Cu/Cd/Mn 0.01, Mg/Ni/Zn/Fe/Pb/Au 0.05, Bi 0.02, Si/S 0.1, As 0.3	Total ≤1.0
	7N	99.99999%	Ag/Cu 0.002, Mg/Ni/Pb 0.005, Zn/Fe/Au/As 0.02, Bi/Au 0.001, Cd 0.003	Total ≤0.1
	7N5	99.999995%	Crystal pulling growth for MBE application	Total ≤0.05
	Size		3-25mm irregular lump 90% min, D40XL200mm or D15XLmm rod or bar, 1-6mm shot
	Packing		2kgs is in polyethylene bottle, 20kgs/10 bottles in one carton box.

High Purity Antimony Sb 5N 6N 7N 7N5 qualified by ICP-MS, GDMS at Western Minmetals (SC) Corporation can be delivered in various forms of irregular lump 3-25mm, shot 2-6mm, bar D20-40mm, and crystal 7N5 99.999995% by crystal pulling purification for MBE application in 15-25mm diameter. High purity antimony is packed of 2kg in polyethylene bottle filled argon protection, or composite aluminum bag with carton box outside, or as per customer’s specification to the perfect solution.