Catalog Number
ACM7440315-3
Description
White TIN is an almost silver-white, ductile, malleable, lustrous solid. mp 232° C, bp: 2507°C. Density: 7.3 g/cm³. Pure white tin becomes non-metallic powdery gray tin if held for a sustained period at temperatures less than 13°C.;DryPowder; DryPowder, OtherSolid; DryPowder, PelletsLargeCrystals, OtherSolid; OtherSolid; OtherSolid, Liquid;WHITE CRYSTALLINE POWDER.;Gray to almost silver-white, ductile, malleable, lustrous solid.;Appearance and odor vary depending upon the specific organotin compound.;Gray to almost silver-white, ductile, malleable, lustrous solid.
InChI Key
ATJFFYVFTNAWJD-UHFFFAOYSA-N
Density
7.265-7.31 g/cm³ (20 °C)
Solubility
Insoluble (NIOSH, 2016);SOL IN HYDROCHLORIC ACID, SULFURIC ACID, AQUA REGIA, ALKALI; SLIGHTLY SOL IN DIL NITRIC ACID; INSOL IN WATER;Solubility in water: none;Insoluble
Appearance
Gray to black powder
Autoignition Temperature
630 °C (cloud); 430 °C (layer)
Color/Form
Cubic (gray); tetragonal (white); rhomboidal (tin brittle);Almost silver-white, lustrous soft, very malleable & ductile metal; only slightly tenacious; easily powdered; when bent emits crackling "tin cry"; brittle @ 200 °C; brinell hardness 2.9; at -40 °C crumbles to gray amorphous powder (gray tin); slowly changes back above 20 °C to white tin
Covalently-Bonded Unit Count
1
Electrical Resistivity
11.5 x 10-8 Ω·m
Electronegativity
1.96 Paulings
Exact Mass
119.902202g/mol
Hazard Statements
H319-H335
Heat of Fusion
7.03 kJ/mol
Heat of Vaporization
296.1 kJ/mol
Monoisotopic Mass
119.902202g/mol
Other Experimental
NATURALLY OCCURRING ISOTOPES: 112 (0.95%); 114 (0.65%); 115 (0.34%); 116 (14.24%); 117 (7.57%); 118 (24.01%); 119 (8.59%); 120 (32.97%); 122 (4.71%); 124 (5.98%);Tin has two allotropic forms at normal pressure; resists distilled, sea and soft tap water; oxygen in soln accelerates attack; when heated in air, tin oxide forms;Heat of fusion: 7.03 kJ/mol /white tin/;Specific Heat: 27.0 J/mol-K (white); 25.8 J/mol-K (grey) @ 25 °C;Thermal conductivity: 0.64 watts/cm °C @ 25 °C, 760 mm Hg;Transformation temp: (beta in equilibrium with alpha) 13.2 °C;Specific heat: 222 J/kg K @ 20 °C;Latent heat of fusion: 7.08 kJ/(g atom);Thermal conductivity: 65 W/m K @ 20 °C;Coefficient of linear expansion: 19.9X10-6 @ 0 °C; 23.8X10-6 @ 100 °C;Shrinkage on solidification: 2.8%;Resistivity of white tin: 11.0 u-Ohm cm @ 0 °C; 15.5 u-Ohm cm @ 100 °C; 20.0 u-Ohm cm @ 200 °C; 22.0 u-Ohm cm @ mp (solid); 45.0 u-Ohm cm @ mp (liquid);Volume conductivity: 15% IACS;Tensile strength, as cast: 14.5 MPa @ 15 °C; 4.5 Mpa @ 200 °C; 20.0 MPa @ -40 °C; 87.5 MPa @ -120 °C
Precautionary Statements
P261-P264-P271-P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313-P403 + P233-P405-P501
Specific Heat
0.21 J/g·°C (25 °C)
Stability
STABLE IN AIR, BUT WHEN IN POWDER FORM IT OXIDIZES, ESP IN PRESENCE OF MOISTURE;stablilizes <18 °C
Thermal Conductivity
66.8 W/(m·K)
Thermal Expansion
22.0 µm/(m·K) (20 °C)
Vapor Pressure
0 mm Hg (approx) (NIOSH, 2016);1 Pa @ 1224 °C;0 mmHg (approx);0 mmHg (approx)
Vickers Hardness
VHN10=7 - 9 kg/mm2
Viscosity
1.85 mPa-s (=cP)@ 240 °C (MP)
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