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7440-74-6

7440-74-6 Structure

7440-74-6 Structure
IdentificationMore
[Name]

Indium
[CAS]

7440-74-6
[EINECS(EC#)]

231-180-0
[Molecular Formula]

In
[MDL Number]

MFCD00134048
[Molecular Weight]

114.82
[MOL File]

7440-74-6.mol
Chemical PropertiesBack Directory
[Appearance]

solid
[mp ]

156 °C
[bp ]

2000 °C
[density ]

7.3 g/mL at 25 °C(lit.)
[vapor pressure ]

<0.01 mm Hg ( 25 °C)
[Fp ]

2072°C
[storage temp. ]

Flammables area
[form ]

wire
[Stability:]

Stable. Incompatible with strong acids, strong oxidizing agents, sulfur.
[Water Solubility ]

insoluble
[Merck ]

14,4947
[History]

Discovered by Reich and Richter, who later isolated the metal. Indium is most frequently associated with zinc materials, and it is from these that most commercial indium is now obtained; however, it is also found in iron, lead, and copper ores. Until 1924, a gram or so constituted the world’s supply of this element in isolated form. It is probably about as abundant as silver. About 4 million troy ounces ofindium are now produced annually in the Free World. Canada is presently producing more than 1,000,000 troy ounces annually. The present cost of indium is about $2 to $10/g, depending on quantity and purity. It is available in ultrapure form. Indium is a very soft, silvery-white metal with a brilliant luster. The pure metal gives a high-pitched “cry” when bent. It wets glass, as does gallium. Indium has found application in making low-melting alloys; an alloy of 24% indium–76% gallium is liquid at room temperature. Indium is used in making bearing alloys, germanium transistors, rectifiers, thermistors, liquid crystal displays, high definition television, batteries, and photoconductors. It can be plated onto metal and evaporated onto glass, forming a mirror as good as that made with silver but with more resistance to atmospheric corrosion. There is evidence that indium has a low order of toxicity; however, care should be taken until further information is available. Seventy isotopes and isomers are now recognized (more than any other element). Natural indium contains two isotopes. One is stable. The other, 115In, comprising 95.71% of natural indium is slightly radioactive with a very long half-life.
[CAS DataBase Reference]

7440-74-6(CAS DataBase Reference)
[NIST Chemistry Reference]

Indium(7440-74-6)
[EPA Substance Registry System]

7440-74-6(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

C,Xn,F,Xi
[Risk Statements ]

R25:Toxic if swallowed.
R26:Very Toxic by inhalation.
R34:Causes burns.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R20:Harmful by inhalation.
R11:Highly Flammable.
R36/38:Irritating to eyes and skin .
[Safety Statements ]

S9:Keep container in a well-ventilated place .
S16:Keep away from sources of ignition-No smoking .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
[RIDADR ]

UN 3089 4.1/PG 2
[WGK Germany ]

3
[RTECS ]

NL1050000
[HazardClass ]

8
[PackingGroup ]

III
[Hazardous Substances Data]

7440-74-6(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
【Preparation Products】

INDIUM PHOSPHIDE
Hazard InformationBack Directory
[General Description]

Soft, ductile, shiny, silver-white metal. Mp: 155.6°C; bp: 2080°C. Density 7.31 g cm-3.
[Reactivity Profile]

INDIUM is a non-combustible solid in bulk form but is flammable in the form of a dust. Reacts with strong oxidizing agents. Reacts explosively with dinitrogen tetraoxide dissolved in acetonitrile. Reacts violently with mercury(II)bromide at 350°C. Mixtures with sulfur ignite when heated.
[Hazard]

Metal and its compounds are toxic by inhalation.
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

indium(7440-74-6).msds
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Indium, foil, 0.127 mm thick, 99.99%(7440-74-6)
[Alfa Aesar]

Indium, powder, 99+%(7440-74-6)
[Sigma Aldrich]

7440-74-6(sigmaaldrich)
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