Holmium | CAS No. 7440-60-0

Holmium

Basic Information

View in Editor

CAS Number

7440-60-0

Molecular Formula

Molecular Weight

164.93 g/mol

Chemical Classification

Basic Chemical Raw Materials Inorganic Chemicals Acids

Basic Physical Properties

Melting Point

1474 ºC (polymorph)

Boiling Point

2695 °C

Density

8.8 g/mL at 25 °C

SMILES

View in Editor

[Ho]

InChI

InChI=1S/Ho

InChIKey

KJZYNXUDTRRSPN-UHFFFAOYSA-N

LogP

0.0

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

Safety Information

View Safety Information

GHS Hazard Pictograms

H228

Hazard Statement

H228 Flammable solid
Flammable solids

Hazard Class

Class 4.1 Class 4.1

Sensitiveness

Air & Moisture Sensitive

Synonyms & References

English

Holmium foil
Holmium ingot
Holmium, powder, 5g, max. particle size 500 micron, 99.9%
Holmium pieces, distilled dendritic
Holmium, rod, 2.0 mm diameter, length 50 mm, purity 99%
Holmium, rod, 100mm, diameter 3.8mm, 99%
Holmium foil, 0.025mm (0.001in) thick
Holmium, ingot, 99.9% trace metals basis
AMY22467
MFCD00011049
Holmium, rod, 200mm, diameter 3.8mm, 99%
Holmium powder, -200 mesh
Holmium, powder, 10g, max. particle size 500 micron, 99.9%
Holmium, wire reel, 200mm, diameter 0.5mm, as drawn, 99.9%
Holmium, foil, not light tested, 25x25mm, thickness 0.025mm, as rolled, 99%
Holmium Metallicum
Holmium chips
holmio
HOLMIUM ATOM
Holmium foil, 0.127mm (0.005in) thick
DTXSID3064699
W1XX32SQN1
7440-60-0
Holmium, wire reel, 200mm, diameter 1.0mm, hard, 99.9%
Holmium Nanofoil
67Ho
Holmium, rod, 50mm, diameter 6.35mm, cast, 99%
Holmium Standard: Ho @ 1000 microg/mL in 5% HNO3
Holmium pieces
Holmium, foil, not light tested, 50x50mm, thickness 0.025mm, as rolled, 99%
EINECS 231-169-0

MDL Number

MFCD16652405

FAQ

What is Holmium (CAS: 7440-60-0)?

Holmium is a rare earth element with the atomic number 67. It is represented by the symbol Ho. Holmium has a silver-white appearance and a metallic luster. Its CAS number is 7440-60-0. Holmium is known for its magnetic properties and its ability to absorb neutrons, which makes it useful in nuclear reactors.

What are the main uses of Holmium (CAS: 7440-60-0)?

Holmium is widely used in various applications. It is used in nuclear reactors as a neutron absorber and in the production of holmium lasers for medical and industrial purposes. Holmium is also utilized in glass and ceramic materials for its color-producing properties. In the medical field, holmium lasers are employed in tissue ablation and lithotripsy.

Is Holmium (CAS: 7440-60-0) safe?

Holmium is generally considered safe under controlled conditions, but like other rare earth elements, it can cause skin and eye irritation if improperly handled. It is important to follow safety guidelines, such as wearing gloves and protective eyewear, and to avoid inhaling dust or fumes. Proper storage and handling are crucial to prevent any adverse effects.

How should Holmium (CAS: 7440-60-0) be stored?

Holmium should be stored in a cool, dry place away from heat and direct sunlight. It should be kept in a sealed container to prevent moisture and air exposure. Due to its reactive nature, it is advisable to store it in a non-reactive container such as a plastic or metal container, preferably in a nitrogen or argon atmosphere to minimize oxidation. Avoid contact with water and other reactive materials.