YTTRIUM manufacturers and suppliers

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Properties

Melting point:: 1522 °C (lit.)

Boiling point:: 3338 °C (lit.)

Density: 4.469 g/mL at 25 °C (lit.)

Flash point:: 470℃

storage temp.: Flammables area

solubility: reacts with H2O; soluble in dilute acid solutions

form: powder

color: Gray

Specific Gravity: 4.47

Flame Color: Red: carmine, scarlet, or crimson

PH: 0.5 (20°C in H2O)

Resistivity: 57 μΩ-cm, 20°C

Water Solubility: Insoluble in water

Electrical Conductivity: 1.8× 10⁶S/m

Thermal Conductivity: 17 W/(m·K)

Specific Heat Capacity: Cp(crystal): 0.3 J/(g·K); Cp(gas): 0.29 J/(g·K), at 25℃

Sensitive: air sensitive, moisture sensitive

Merck: 13,10161

Exposure limits: ACGIH:TLV-TWA 1 mg/m3,as Y
OSHA:PEL-TWA 1 mg/m3
NIOSH:REL-TWA 1 mg/m3

Stability:: Stable.

InChI: 1S/Y

InChIKey: VWQVUPCCIRVNHF-UHFFFAOYSA-N

SMILES: [Y]

Shear Modulus: 25.6 GPa

Hardness, Vickers: 40, highly anisotropic

Modulus of Elasticity: 63.5 GPa

Poissons Ratio: 0.243

Bulk Modulus: 41.2 GPa

CAS DataBase Reference: 7440-65-5(CAS DataBase Reference)

EPA Substance Registry System: Yttrium (7440-65-5)

Safety Information

Symbol(GHS): GHS02

Signal word: Warning

Hazard statements: H228

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

Hazard Codes: C,Xi,Xn,F

Risk Statements: 34-36/38-20/21/22

Safety Statements: 26-36/37/39-45-33-27-16

RIDADR: UN 3264 8/PG 3

OEB: C

OEL: TWA: 1 mg/m3 [*Note: The REL also applies to other yttrium compounds (as Y).]

WGK Germany: 3

RTECS: ZG2980000

F: 1-8-10

TSCA: TSCA listed

HazardClass: 8

PackingGroup: III

HS Code: 28053090

Storage Class: 13 - Non Combustible Solids

Hazardous Substances Data: 7440-65-5(Hazardous Substances Data)

IDLA: 500 mg Y/m3

REACH Registrations: Active

Use

Although yttrium metal by itself is not very useful, it has many unusual applicationswhen combined as an alloy or as a compound with other elements. For example, whencombined with iron, it is known as garnet (Y3Fe5O12), which is used as a “filter” in microwave communication systems. When garnets are made with aluminum instead of iron,they form semiprecious garnet gemstones (Y3Al5O12) that resemble diamonds. Aluminumgarnets are referred to as “YAG” solid-state lasers because they are capable of intensifyingand strengthening a single frequency of light energy that is focused through a crystal ofgarnet. Yttrium is mixed with rare earths as phosphors for color television receivers; oxide for mantles in gas and acetylene lights; in ceramics; in superconductors. Yttrium, plasma standard solution is used as a standard solution in analytical chemistry and atomic absorption spectroscopy. It is also used as a single-element standard solution for plasma emission spectrometry.

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