INSOL IN COLD OR HOT WATER; SOL IN NITRIC ACID, AQUA REGIA, HOT SULFURIC ACID;SOL IN CONCENTRATED HYDROCHLORIC ACID
Appearance
solid
Application
The Bismuth single crystal disc, with a diameter of 10mm and thickness ranging from 1-3mm, is crafted in a (111) crystallographic orientation and polished on both sides. This product serves as a crucial component in research and development applications where precise and high-quality bismuth surfaces are required. Its single crystal nature offers a consistent and reliable structure necessary for various scientific experiments, particularly in the field of condensed matter physics. The polished surfaces ensure minimal interference from surface irregularities, making it ideal for use in applications that require highly smooth surfaces. As an essential tool, it provides a stable foundation for investigating electronic properties and is an indispensable element in the study of material sciences.
Color/Form
Gray white soft metal;HEXAGONAL SILVER-WHITE CRYSTALS;GRAYISH WHITE WITH REDDISH TINGE AND BRIGHT METALLIC LUSTER;PINKISH-SILVER, HARD, BRITTLE METAL
Complexity
0
Covalently-Bonded Unit Count
1
EC Number
231-177-4
Exact Mass
208.9804g/mol
Formal Charge
0
Hazard Codes
H228
H-Bond Acceptor
0
H-Bond Donor
0
Heat of Vaporization
178,632 J/mol
Heavy Atom Count
1
MDL Number
MFCD00134033
Monoisotopic Mass
208.9804g/mol
Other Experimental
POOR CONDUCTOR OF ELECTRICITY; HAS GREATEST HALL EFFECT OF ANY METAL, THAT IS, ITS RESISTANCE INCREASES WHEN PLACED IN A MAGNETIC FIELD;MASS NUMBER (NATURAL ISOTOPES): 209; ATOMIC RADIUS= 1.46 A; IONIC (CRYSTAL) RADII= 1.20(+3)A; ELECTRONEGATIVITY (PAULING SCALE): 1.9;THERMAL CONDUCTIVITY (0.018 CAL/SEC/CC @ 250 °C) IS LOWEST OF ALL METALS EXCEPT MERCURY;EXPANDS 3.32% ON SOLIDIFICATION; ATOMIC NUMBER: 83;ORBITAL ELECTRONS: (XE)4F(14)-5D(10)65(2)-6P(3);COLD SOLN OF BI GIVE WHITE PPT: WITH SODIUM HYDROXIDE TURNING YELLOW ON BOILING; WITH HYDROCHLORIC ACID SOL IN EXCESS OF ACID;SENSITIVITY OF ATOMIC ABSORPTION: 0.22 UG/ML FOR 1% ABSORPTION IN AIR/C2H2 MIXTURE AT 2230.6 A;SOLN IN HYDROCHLORIC ACID OR NITRIC ACID YIELD WITH MUCH WATER A WHITE PPT BLACKENED BY HYDROGEN SULFIDES;WHEN HEATED IN AIR IT BURNS WITH A BLUE FLAME, FORMING YELLOW FUMES OF THE OXIDE;ELECTRICAL RESISTIVITY HIGHER IN SOLID THAN IN LIQUID STATE; EXTRUDABLE @ 437 °F; BRINELL HARDNESS 7; HIGHLY DIAMAGNETIC (MASS SUSCEPTIBILITY -1.35X10+6);CONDUCTANCE IN SOLID STATE IS ONLY 0.48 OF LIQUID CONDUCTANCE;DULL GRAY POWDER; PARTICLES ARE OF NO GREATER DIAMETER THAN 15 U (0.015 MM); EASILY DISPERSED IN WATER /PRECIPITATED BISMUTH/
Precautionary Statements
P210-P370 + P378
Ratio
0.33
Risk Codes
11
Rotatable Bond Count
0
Safety Description
16
Signal Word
Warning
Stability
SUPERFICIALLY OXIDIZED BY AIR, FREQUENTLY BECOMING IRIDESCENT;WHEN HEATED IN AIR IT FORMS BISMUTH TRIOXIDE
Thermal Expansion
(25 °C) 13.4 µm·m-1·K-1
True Density
9.747 g/cm³
UNII
U015TT5I8H
UN Number
UN 3089 4.1/PG 2
Vapor Density
9.8
Vapor Pressure
78 mm Hg at 1266 °C; 7.8 mm at 1053 °C; 0.78 mm Hg at 893 °C;<0.1 mmHg