Europium

HCID 23981
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Basic information

CAS
70446-10-5
Standard SMILES
[Eu]
InChIKey
OGPBJKLSAFTDLK-UHFFFAOYSA-N
Molecular formula
Eu
Average molar mass
151.964 g/mol
Monoisotopic mass
152.9212303

Overview

Europium atom is a lanthanoid atom and a f-block element atom.

Names & identifiers

Preferred name
Europium
IUPAC
europium
English name
Europium
Molecular formula
Eu
Molecular weight
0

Names & synonyms

EUROPIUM7440-53-1EU444W947O8ODTXSID3064695Europium MetallicumRefChem:58720DTXCID0047660231-161-7europium atomEUROPIUM IONMFCD00010992
Show more names
europium metalEuropium Standard: Eu @ 1000 microg/mL in 5% HNO3Europium Standard: Eu @ 10000 microg/mL in 5% HNO3europioEuropium ingotAtomic EuropiumEuropium elementElement Europium

Database identifiers

CAS
70446-10-5、7440-53-1
PubChem CID
23981
DTXSID
DTXSID3064695
ChEBI
CHEBI:32999
UNII
444W947O8O
EC Number
231-161-7
Nikkaji
J221.540C、J95.198F

Properties

Computed structural properties

Topological polar surface area
0 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
0
Rotatable bonds
0
Heavy atoms
1

Experimental & physicochemical properties

Chemical ClassesMetals -> Rare Earth Metals
SpringerMaterials Propertieselectron density of states
Density5.24 @25 °C
Boiling Point1529 °C @760 [mm Hg]
Melting Point822 °C
Physical DescriptionCrystals; [Merck Index] Soft, malleable, steel-grey metal; Powder form may ignite in air; [Hawley] Quickly oxidizes in air; Ignites in air at about 150-180 deg C; [Reference #1]

Physicochemical properties

Melting point
1100 · 1100-1200 °C
Boiling point
1489 °C · 1489 °C
Density
5.245 g/cm3 · 5.245 g/cm3

Safety & regulation

GHS classification

GHS Classification · 5 items

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

Danger

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

P210, P222, P223, P231, P231+P232, P233, P240, P241, P280, P302+P335+P334, P370+P378, P402+P404, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 48 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazards SummaryCost greatly reduced in recent years because of new technology (ion-exchange techniques and other processes); [Reference #1] See RARE EARTH METALS and linked occupational diseases.
Hazard Classes and CategoriesFlam. Sol. 1 (12.5%)

Safety & protection

Protective Action Criteria (PAC) · 3 items

30 [mg/m3]

330 [mg/m3]

2000 [mg/m3]

Toxicology

Adverse EffectsFibrogenic - Inducing tissue injury and fibrosis (scarring).

Chemistry & industry

Pharmacology

MeSH Pharmacological ClassificationCompound such as LUMINESCENT PROTEINS that cause or emit light (PHYSICAL LUMINESCENCE).

Uses & manufacturing

Uses · 1 item

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 InformationEuropium: ACTIVE

Suppliers69 total

阿诺西（上海）生物技术有限公司400-1107768 15058188853 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
Anhui Yiao New Material Technology Co., Ltd+86-18033737140 +86-17354101231 · [email protected]
天津市光复科技发展有限公司022-85689490 13132141716 · [email protected]
Hong Kong Tiansheng New Material Trading Co., Ltd+8617320695765 · [email protected]

Additional notes

DefinitionChEBI: Europium atom is a lanthanoid atom and a f-block element atom.

Related reactions

1 records
New reaction record

Compound notes

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