Praseodymium chloride

  • Praseodymium(III) chloride
Formula
Cl3Pr
Structure
Description
Green hexagonal needles, Hygroscopic
Uses
Used as the raw material of praseodynium metal and other Pr compounds. Also used as a petroleum catalyst.

Registry Numbers and Inventories.
CAS
10361-79-2
EC (EINECS/ELINCS)
233-794-4
26 37/39
RTECS
TU0175000
RTECS class
Primary Irritant
Merck
13,7709
Beilstein/Gmelin
1804 (G)
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
Cl3Pr
Formula mass
247.26
Melting point, °C
786
Density
4.02 g/cm3 (25 C)
Refractive index
1.7266 (900 C)
Heat of fusion
52.1 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Hydrogen chloride gas.

Fire.
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Hazards
Emits toxic fumes under fire conditions.

Health.
Exposure effects
Irritant. Irritating to eyes. Target organ(s): Liver.
   Inhalation
Material may be irritating to mucous membranes and upper respiratory tract.
   Skin
May cause skin irritation.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Transport.