Iridium manufacturers and suppliers

Iridium suppliers

Properties

Melting point:: 2450 °C (lit.)

Boiling point:: 4130 °C (lit.)

Density: 22.65 g/cm3 (lit.)

storage temp.: Flammables area

solubility: Soluble in aqua regia.

form: wire

color: White to pale yellow

Specific Gravity: 22.421

Resistivity: 4.71 μΩ-cm

Water Solubility: INSOLUBLE

Merck: 13,5102

Exposure limits: ACGIH: Ceiling 2 ppm
OSHA: Ceiling 5 ppm(7 mg/m3)
NIOSH: IDLH 50 ppm; Ceiling 5 ppm(7 mg/m3)

Hardness, Vickers: 370

Modulus of Elasticity: 524 GPa

Poissons Ratio: 0.26

Hardness, Brinell: 352, Converted from Vickers for 3000 kg load/10 mm ball Brinell test.

Hardness, Rockwell A: 69, Converted from Vickers.

Hardness, Rockwell C: 37, Converted from Vickers.

Shear Modulus: 208 GPa, Calculated

CAS DataBase Reference: 7439-88-5(CAS DataBase Reference)

NIST Chemistry Reference: Iridium(7439-88-5)

EPA Substance Registry System: Iridium (7439-88-5)

Safety Information

Symbol(GHS): GHS02

Signal word: Danger

Hazard statements: H228

Precautionary statements: P210-P240-P241-P280-P370+P378

Hazard Codes: F,Xi

Risk Statements: 36-36/37/38-11

Safety Statements: 16-26-36/37/39

RIDADR: UN 3089 4.1/PG 2

WGK Germany: 3

TSCA: TSCA listed

HazardClass: 4.1

PackingGroup: III

HS Code: 28439000

Hazardous Substances Data: 7439-88-5(Hazardous Substances Data)

Limited Quantities: 1.0 Kg (2.2 lbs)

Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)

Use

The most important use of iridium is as an alloying metal for platinum and palladium. Such alloys are used for jewelry, decorative purposes, electrical contacts, thermocouples, crucibles, electrodes, hypodermic needles, and medical accessories. Iridium enhances resistance of platinum to chemical attack and corrosion. It also enhances hardness and tensile strength. The radioisotope Ir-192 is used in examination of ferrous welds and in other radiographic applications.

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