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Rhenium

Rhenium structure

CAS No:
7440-15-5
Formula:
Re
Chemical Name:
Rhenium
Synonyms:
Rhenium;Rhenium element;NSC 600662
Categories:
Inorganic Chemistry > Elementary Substance

Description

gray powder Depending on the process used to isolate and process it, rhenium may appear as a brown-black powder or a silvery white solid metal. Rhenium is among the least common of the natural elements comprising 0.5–1 ppb of earth’s crust; it generally occurs as a trace element in molybdenite, columbite, gadolinite, and platinum ores. A sulfide mineral of rhenium, rhenite exists but is very rare.
There are two naturally occurring isotopes, 185 (37%), which is stable, and 187 (63%), which

OtherSolid|Liquid

Rhenium atom is a manganese group element atom.|A metal, atomic number 75, atomic weight 186.207, symbol Re.

Rhenium Basic Attributes

Molecular Weight：

186.21

Exact Mass：

186.955597

EC Number：

231-124-5

UNII：

7YHU292INY

DSSTox ID：

DTXSID9064685

Characteristics

PSA：

XLogP3：

0.00000

Appearance：

Silver-gray wire

Density：

20.9 g/cm³

Melting Point：

3440 °C

Boiling Point：

5596 °C(lit.)

Water Solubility：

Insoluble in water.

Storage Conditions：

Flammables area

Safety Information

Packing level：

III

Hazard category：

Transport codes：

UN 3178 4.1/PG 2

wgk germany：

hazard class code：

34-11-36/38

safety instructions：

16-45-36/37/39-26-33-27

RTECS Number：

VI0780000

Marks：

C,F,Xi

Precautionary statement(s)：

P210

Hazard Statements：

H228

GHS Classification：

|Warning|H228 (97.85%): Flammable solid [Danger Flammable solids]|P210, P240, P241, P280, and P370+P378|Aggregated GHS information provided by 383 companies from 8 notifications to the ECHA C&L Inventory.

Drug Information

MeSH Entry Terms：

Rhenium

Rhenium Use and Manufacturing

Uses

Electron tube and semiconductor applications, in alloys for electrical contacts, as catalyst; possibly in high tempereture thermocouples and to improve the workability of tungsten and molybdenum alloys; plating jewelry, medical instruments, high vac equipment, mirror backings.

Jet engine blade manufacturing.

Metal products not covered elsewhere

Production

25,000 - 100,000 lb

Manufacturing Info：

Transportation equipment manufacturing|Rhenium: ACTIVE

Computed Properties

Molecular Weight:186.207
Exact Mass:186.955752
Monoisotopic Mass:186.955752
Heavy Atom Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Learn More Other Chemicals

Rhenium fluoride (ReF3)

25605-13-4
Rhenium bromide (ReBr3)

13569-49-8
Rhenium selenide (Re2Se7)

12397-16-9
Rhenium sulfide (ReS2) Formula

12038-63-0
Rhenium sulfide (Re2S7) Formula

12038-67-4
Rhenium trichloride Formula

13569-63-6
Rhenium chloride (ReCl4) Structure

13569-71-6
Rhenium iodide (ReI3) Structure

15622-42-1
What is Rhenium bromide (ReBr4)

36753-03-4
What is Rhenium silicide (ReSi2)

12038-66-3

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Guide of Rhenium

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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Rhenium

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