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YTTERBIUM

YTTERBIUM
YTTERBIUM structure
CAS No.
7440-64-4
Chemical Name:
YTTERBIUM
Synonyms
Yb;YB000200;YB000215;YB000230;YB000205;YB007920;YB006100;YB000260;YB005110;YB007910
CBNumber:
CB1276806
Molecular Formula:
Yb
Formula Weight:
173.04
MOL File:
7440-64-4.mol

YTTERBIUM Properties

Melting point:
824 °C(lit.)
Boiling point:
1196 °C(lit.)
Density 
6.54 g/mL at 25 °C(lit.)
storage temp. 
Flammables area
form 
powder
color 
Silver-gray
Specific Gravity
6.97
Resistivity
28 μΩ-cm, 20°C
Water Solubility 
It reacts slowly with water and is soluble in dilute acids.
Sensitive 
Air & Moisture Sensitive
Merck 
13,10160
CAS DataBase Reference
7440-64-4(CAS DataBase Reference)
EWG's Food Scores
1
FDA UNII
MNQ4O4WSI1
EPA Substance Registry System
Ytterbium (7440-64-4)

Mechanical Properties

Poissons Ratio
0.207
Shear Modulus
9.90 GPa
Hardness, Vickers
17
Bulk Modulus
30.5 GPa
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS02,GHS07
Signal word  Danger
Hazard statements  H250-H252-H260-H228-H302-H312-H315-H319-H332-H335
Precautionary statements  P240-P210-P261-P280-P305+P351+P338-P222-P223-P231+P232-P422a-P501a
Hazard Codes  Xn,F,Xi
Risk Statements  36/37/38-20/21/22-11-36/38
Safety Statements  36-33-16-26
RIDADR  UN 3089 4.1/PG 2
WGK Germany  3
RTECS  ZG1925000
TSCA  Yes
HazardClass  4.2
PackingGroup  I
HS Code  28053090
NFPA 704
1
2 1

YTTERBIUM price More Price(39)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 261300 Ytterbium ingot, 99.9% trace rare earth metals basis 7440-64-4 5g $130 2021-03-22 Buy
Sigma-Aldrich 262986 Ytterbium chips, 99.9% trace rare earth metals basis 7440-64-4 5g $164 2021-03-22 Buy
Alfa Aesar 045620 Ytterbium sputtering target 50.8mm dia x 1.59mm thick 7440-64-4 1each $928 2020-06-24 Buy
Alfa Aesar 045736 Ytterbium sputtering target 50.8mm dia x 3.18mm thick 7440-64-4 1each $1041 2021-03-22 Buy
Strem Chemicals 93-7030 Ytterbium powder (99.9% REO) 7440-64-4 10g $335 2020-06-24 Buy

YTTERBIUM Chemical Properties,Uses,Production

Chemical Properties

metal chips

Physical properties

Ytterbium is a silvery, soft, malleable, and ductile metal with a lustrous metallic shine.It is slightly reactive in air or water at room temperatures. Ytterbium is located next to lastof the rare-earths in the lanthanide series. It slowly oxidizes as it reacts with oxygen in theatmosphere, forming a somewhat duller coating. Ytterbium was the first rare-earth to bediscovered by Carl Gustof Mosander in 1843. More of it exists in the Earth’s crust than oncewas believed.
Ytterbium
It was often confused with other rare-earths and was known by two other names, aldebaraniumand cassiopeium. Ytterbium’s melting point is 819°C, its boiling point is 1,196°C, andits density is 6.9654g/cm3.

Isotopes

There are a total of 37 isotopes of ytterbium. Seven of these are stable, andthey make up all of the natural ytterbium found on Earth. One of these isotopes (Yb-176) has such a long half-life (1.6×10+17years) that it contributes 12.76% of the naturalytterbium existing on Earth, and thus it is considered stable. All the other 30 isotopes areartificially radioactive and produced by nuclear fission in nuclear reactors with half-livesranging from a fraction of a second to 32 days.

Origin of Name

Ytterbium is named for the Ytterby quarry located in Sweden.

Occurrence

Ytterbium is the 45th most abundant element, and it ranks 10th in abundance (2.7 ppm)among the 17 rare-earths found in the Earth’s crust.
It is found in ores along with other rare-earths that were first found in the Ytterby quarryof Sweden. These ores are xenotime, euxenite, gadolinite, and monazite. Monazite river sand is the main source of ytterbium, which is found in India and Brazil and the beaches of Florida.Ytterbium is also found as a decay product of the fission reaction in nuclear reactors.

Characteristics

In the past there was some confusion about the rare-earths because they are not really earthsat all, but rather binary compounds of oxides of metals. Compounding the confusion was thefact that they were always found combined with several other rare-earths.
The salts of ytterbium are paramagnetic, which exhibit weaker magnetic fields than do ironmagnets.

History

Marignac in 1878 discovered a new component, which he called ytterbia, in the Earth then known as erbia. In 1907, Urbain separated ytterbia into two components, which he called neoytterbia and lutecia. The elements in these earths are now known as ytterbium and lutetium, respectively. These elements are identical with aldebaranium and cassiopeium, discovered independently and at about the same time by von Welsbach. Ytterbium occurs along with other rare earths in a number of rare minerals. It is commercially recovered principally from monazite sand, which contains about 0.03%. Ion-exchange and solvent extraction techniques developed in recent years have greatly simplified the separation of the rare earths from one another. The element was first prepared by Klemm and Bonner in 1937 by reducing ytterbium trichloride with potassium. Their metal was mixed, however, with KCl. Daane, Dennison, and Spedding prepared a much purer form in 1953 from which the chemical and physical properties of the element could be determined. Ytterbium has a bright silvery luster, is soft, malleable, and quite ductile. While the element is fairly stable, it should be kept in closed containers to protect it from air and moisture. Ytterbium is readily attacked and dissolved by dilute and concentrated mineral acids and reacts slowly with water. Ytterbium has three allotropic forms with transformation points at –13° and 795°C. The beta form is a room-temperature, face-centered, cubic modification, while the high-temperature gamma form is a body-centered cubic form. Another bodycentered cubic phase has recently been found to be stable at high pressures at room temperatures. The beta form ordinarily has metallic-type conductivity, but becomes a semiconductor when the pressure is increased above 16,000 atm. The electrical resistance increases tenfold as the pressure is increased to 39,000 atm and drops to about 80% of its standard temperature- pressure resistivity at a pressure of 40,000 atm. Natural ytterbium is a mixture of seven stable isotopes. Twenty-six other unstable isotopes and isomers are known. Ytterbium metal has possible use in improving the grain refinement, strength, and other mechanical properties of stainless steel. One isotope is reported to have been used as a radiation source as a substitute for a portable X-ray machine where electricity is unavailable. Few other uses have been found. Ytterbium metal is available with a purity of about 99.9% for about $10/g. Ytterbium has a low acute toxicity rating.

Uses

Ytterbium is being applied to numerous fiber amplifier and fiber optic technologies and in various lasing applications. 
Ytterbium metal increases its electrical resistance when subjected to very high stresses. This property is used in stress gauges for monitoring ground deformations from earthquakes and nuclear explosions. 
Ytterbium can also be used as a dopant to help improve the grain refinement, strength, and other mechanical properties of stainless steel. Some Ytterbium alloys have rarely been used in dentistry.
It is also used as in thermal barrier system bond coatings on nickel, iron and other transitional metal alloy substrates.
Ytterbium Metal, is being applied in improving the grain refinement, strength, and other mechanical properties of stainless steel and alloys. The 169Yb has been used as a radiation source in portable X-ray machines.169Yb is also used in nuclear medicine. Ytterbium can also be used as a dopant to help improve the grain refinement, strength, and other mechanical properties of stainless steel. Some ytterbium alloys have rarely been used in dentistry.
Ytterbium Metal can be further processed to various shapes of ingots, pieces, wires, foils, slabs, rods, discs and powder.

Uses

There is not much commercial use for ytterbium. Radioactive ytterbium can be used for asmall portable X-ray source and as an alloy to make special types of strong steel. The oxides ofytterbium are used to make lasers and some synthetic gemstones.

Definition

A metallic element. A rare-earth metal of yttrium subgroup, atomic number 70, aw 173.04, valence of 2, 3; exists in α and β forms, the latter being semiconductive at pressures above 16,000 atm. There are seven natural isotopes.

Definition

A soft malleable silvery element having two allotropes and belonging to the lanthanoid series of metals. It occurs in association with other lanthanoids. Ytterbium has been used to improve the mechanical properties of steel. Symbol: Yb; m.p. 824°C; b.p. 1193°C; r.d. 6.965 (20°C); p.n. 70; r.a.m. 173.04.

Definition

ytterbium: Symbol Yb. A silverymetallic element belonging to thelanthanoids; a.n. 70; r.a.m. 173.04;r.d. 6.965 (20°C); m.p. 819°C; b.p.1194°C. It occurs in gadolinite, monazite,and xenotime. There are sevennatural isotopes and ten artificial isotopesare known. It is used in certainsteels. The element was discoveredby Jean de Marignac (1817–94) in1878.

Hazard

Ytterbium dust and powder can explode and may be toxic if inhaled. The compound.ytterbium arsenate is a poison.

Safety Profile

As a lanthanon it maj7 have an anticoagulant action on blood. Questionable carcinogen with experimental tumorigenic data. Flammable in the form of dust when reacted with air, halogens. See also LANTHANUM and RARE EARTHS.

YTTERBIUM Preparation Products And Raw materials

Raw materials

Preparation Products


YTTERBIUM Suppliers

Global( 106)Suppliers
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View Lastest Price from YTTERBIUM manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-10-21 YTTERBIUM
7440-64-4
US $10.00 / KG 1KG 99% 20 tons Hebei Zhanyao Biotechnology Co. Ltd
2021-08-12 YTTERBIUM
7440-64-4
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
2020-01-09 YTTERBIUM
7440-64-4
US $9.80 / KG 1g ≥99% 100kg Career Henan Chemical Co

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