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Europium

CAS 7440-53-1EuMW 151.964

Europium (CAS 7440-53-1) — formula Eu, molecular weight 151.964; category inorganic chemicals.

Product Overview

CAS Number7440-53-1
Molecular FormulaEu
Molecular Weight151.964
Melting Point822 °C
Boiling Point1529 °C @760 [mm Hg]
ApplicationsUses: Source: Rare earth minerals, [Merck Index] Uses: nuclear control rods and color-TV phosphors (Europium-activated yttrium vanadate), Has been used in postage stamp glues so that electronic equipment can detect the phosphors in first-class mail, [Hawley] Used in doped plastic as a laser material, [Reference #1], General Manufacturing Information: Europium: ACTIVE
CategoryInorganic Chemicals

Applications

Documented applications: Uses: Source: Rare earth minerals, [Merck Index] Uses: nuclear control rods and color-TV phosphors (Europium-activated yttrium vanadate), Has been used in postage stamp glues so that electronic equipment can detect the phosphors in first-class mail, [Hawley] Used in doped plastic as a laser material, [Reference #1], General Manufacturing Information: Europium: ACTIVE.

Technical Profile

What this product is

Europium is an inorganic compound with CAS registry number 7440-53-1 and molecular formula Eu (molecular weight 151.964), belonging to the inorganic chemicals segment of chemical raw materials.

Identification

CAS number: 7440-53-1

Its molecular formula Eu comprises 1 Eu atom.

Also known as: Europium · 铕

Category: inorganic chemicals

Frequently Asked Questions

What is the CAS number of Europium?

The CAS registry number of Europium is 7440-53-1.

What is the molecular formula and molecular weight of Europium?

Molecular formula Eu, molecular weight 151.964.

What other names is Europium known by?

It is also registered under: Europium, 铕.

What are the documented applications of Europium?

Recorded applications: Uses: Source: Rare earth minerals, [Merck Index] Uses: nuclear control rods and color-TV phosphors (Europium-activated yttrium vanadate), Has been used in postage stamp glues so that electronic equipment can detect the phosphors in first-class mail, [Hawley] Used in doped plastic as a laser material, [Reference #1], General Manufacturing Information: Europium: ACTIVE.

Which category does Europium belong to?

Category: Inorganic Chemicals.

PubChem Public Data

Independent reference data for Europium (CAS 7440-53-1), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number7440-53-1
PubChem CID23981
Molecular formulaEu
IUPAC nameeuropium
UNII (FDA)444W947O8O

Computed descriptors

Molecular Weight151.964
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass152.92124
Monoisotopic Mass152.92124
Topological Polar Surface Area0
Heavy Atom Count1

Physicochemical values on record

Boiling Point1529 °C @760 [mm Hg]
Melting Point822 °C
Density5.24 @25 °C

Documented uses on record

  • Source: Rare earth minerals; [Merck Index] Uses: nuclear control rods and color-TV phosphors (Europium-activated yttrium vanadate); Has been used in postage stamp glues so that electronic equipment can detect the phosphors in first-class mail; [Hawley] Used in doped plastic as a laser material; [Reference #1]
  • Compound such as LUMINESCENT PROTEINS that cause or emit light (PHYSICAL LUMINESCENCE).

Synonyms and trade names

EUROPIUM; 7440-53-1; 444W947O8O; DTXSID3064695; Europium Metallicum; RefChem:58720; DTXCID0047660; 231-161-7; europium atom; EUROPIUM ION; MFCD00010992; europium metal; Europium Standard: Eu @ 1000 microg/mL in 5% HNO3; Europium Standard: Eu @ 10000 microg/mL in 5% HNO3; europio; Europium ingot

Regulatory listings held on file

GHS notification summary4.2% (2 / 48)

GHS hazard classification

GHS notification summary4.2% (2 / 48)
Reported hazard statementsH228 (12.5%), H250 (83.3%), H260 (10.4%)

This chemical does not meet GHS hazard criteria for 4.2% (2 of 48) of reports.

H228 (12.5%): Flammable solid [Danger Flammable solids]

What the public record says

Europium · CAS 7440-53-1 · Eu. UNII 444W947O8O. Boiling Point: 1529 °C @760 [mm Hg]; Melting Point: 822 °C; Density: 5.24 @25 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.

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