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HomeProduct name listHOLMIUM FLUORIDE

HOLMIUM FLUORIDE

Synonym(s):Holmium trifluoride

  • CAS NO.:13760-78-6
  • Empirical Formula: F3Ho
  • Molecular Weight: 221.93
  • MDL number: MFCD00016142
  • EINECS: 237-352-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:57
HOLMIUM FLUORIDE Structural

What is HOLMIUM FLUORIDE?

Chemical properties

Bright-yellow solid. Insoluble in water.

The Uses of HOLMIUM FLUORIDE

Dysprosium is most commonly used as in Neodymium-iron-boron high strength permanent magnets. While it has one of the highest magnetic moments of any of the rare earths (10.6uB), this has not resulted in an ability to perform on its own as a practical alternative to Neodymium compositions.
It is however now an essential additive in NdFeB production. It is also used in special ceramic compositions based on BaTiO formulations.
Dysprosium is used, in conjunction with Vanadium and other elements, in making laser materials and commercial lighting. Nanofibers of Dysprosium compounds have high strength and large surface area. Therefore, they can be used to reinforce other materials and as a catalyst.
Recent research has examined the use of Dysprosium in Dysprosium-iron-garnet (DyFeG) and silicon implanted with Dysprosium and Holmium to form donor centers.
Dysprosium Metal is an important additive for NdFeB permanent magnets to raise the Curie temperature and improve temperature coefficiency. Another most promising use of high purity Dysprosium Metal is in the magnetostrictive alloy TEFENOL-D. There are also other applications for some special master alloys. It is highly susceptible to magnetization, they are employed in various data-storage applications, such as in hard disks.
Dysprosium

The Uses of HOLMIUM FLUORIDE

Holmium(III) fluoride is used as an intermediate in the manufacture of glass, metal halide lamp and dopant to garnet laser. It is employed in metallurgy, chemical and physical vapor deposition and in some optical coatings.

Properties of HOLMIUM FLUORIDE

Melting point: 1143°C
Boiling point: >2200°C
Density  7,64 g/cm3
refractive index  1.53
solubility  soluble in H2O
form  powder
color  pink-yellow orthorhombic crystals, crystalline; hygroscopic
Water Solubility  Insoluble in water.
Sensitive  Hygroscopic
Exposure limits ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3
CAS DataBase Reference 13760-78-6(CAS DataBase Reference)
EPA Substance Registry System Holmium fluoride (HoF3) (13760-78-6)

Safety information for HOLMIUM FLUORIDE

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H302:Acute toxicity,oral
H312:Acute toxicity,dermal
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H331:Acute toxicity,inhalation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.
P403+P233:Store in a well-ventilated place. Keep container tightly closed.

Computed Descriptors for HOLMIUM FLUORIDE

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