ChemicalBook Product Catalog Inorganic chemistry Inorganic salts Metal halide and Halogen salt Metal chlorides and salt DYSPROSIUM CHLORIDE

DYSPROSIUM CHLORIDE

Product NameDYSPROSIUM CHLORIDE
CAS10025-74-8
MFCl3Dy
MW268.86
EINECS233-039-9
MOL File10025-74-8.mol

Chemical Properties

Melting point

680 °C(lit.)

Boiling point

1500°C

Density

3.67 g/mL at 25 °C(lit.)

storage temp.

under inert gas (nitrogen or Argon) at 2-8°C

solubility

soluble in H2O, methanol

form

Powder

Specific Gravity

3.67

color

white

Water Solubility

Soluble in water.

Sensitive

Hygroscopic

Crystal Structure

AlCl3 type

crystal system

Monoclinic

Merck

14,3482

Space group

C2/m

Lattice constant

a/nm	b/nm	c/nm	α/o	β/o	γ/o	V/nm3
0.691	1.197	0.64	90	111.2	90	0.494

Major Application

electroplating
material synthesis precursor

InChI

1S/3ClH.Dy/h3*1H;/q;;;+3/p-3

InChIKey

BOXVSFHSLKQLNZ-UHFFFAOYSA-K

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	2
RTECS	JW0700000
TSCA	TSCA listed
HS Code	28469022
Storage Class	11 - Combustible Solids
Hazard Classifications	Eye Irrit. 2 Skin Irrit. 2 STOT SE 3

MSDS

Provider	Language
ACROS	English
SigmaAldrich	English
ALFA	English

Usage And Synthesis

Preparation

DyCl3 is usually prepared using the "ammonium chloride method," and the raw materials can be oxides, chlorides, chlorides, or dysprosium chloride hexahydrate. This method produces (NH4)2[DyCl5]:
10 NH4Cl + Dy2O3 → 2 (NH4)2[DyCl5] + 6 NH3 + 3 H2O DyCl3·6H2O + 2 NH4Cl → (NH4)2[DyCl5] + 6 H2O
The pentachloride undergoes thermal decomposition as follows:
(NH4)2[DyCl5] → 2 NH4Cl + DyCl3 The thermal decomposition reaction passes through the (NH4)[Dy2Cl7] intermediate.
Dy2O3 reacts with hydrochloric acid solution to crystallize the hexahydrate DyCl3·6H2O. Dysprosium chloride is a moderately strong Lewis acid, classified as a hard acid in the HSAB (hard acid-soft base) theory. In aqueous solution, it reacts with sodium fluoride to form dysprosium fluoride: DyCl₃ + 3 NaF → DyF₃ + 3 NaCl

Chemical Properties

-20 mesh with 99.9% purity; white powder(s) [STR93]; yellow, shining crystal(s) [MER06] [CER91]

Uses

Dysprosium Carbonate has specialized uses in laser glass, phosphors and Dysprosium Metal halide lamp. Dysprosium is used in conjunction with Vanadium and other elements, in making laser materials and commercial lighting. Dysprosium is one of the components of Terfenol-D,which is employed in transducers, wide-band mechanical resonators, and high-precision liquid-fuel injectors.

Uses

It is used as a precursor for the preparation of other dysprosiumsalts.

reaction suitability

reagent type: catalyst
core: dysprosium

Safety Profile

Poison by intraperitoneal route. Mildly toxic by ingestion. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORIDES and RARE EARTHS

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