Home Categories Inorganic chemistry Praseodymium standard
A6743512

Praseodymium standard , 1000ug/mlin10%HCl , 7440-10-0

Synonym(s):
;Praseodymium

CAS NO.:7440-10-0

Empirical Formula: Pr

Molecular Weight: 140.91

MDL number: MFCD00011174

EINECS: 231-120-3

Pack Size Price Stock Quantity
20ML RMB143.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 931 °C (lit.)
Boiling point: 3520 °C (lit.)
Density  6.71 g/mL at 25 °C (lit.)
storage temp.  Flammables area
form  powder
color  White
Specific Gravity 6.782
Resistivity 68 μΩ-cm, 20°C
Water Solubility  Reacts with water.
Sensitive  Air & Moisture Sensitive
Merck  13,7797
Exposure limits ACGIH: TWA 2 ppm; STEL 4 ppm
OSHA: TWA 2 ppm(5 mg/m3)
NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3)

Description and Uses

Praseodymium optical properties for use in amplification of telecommunication systems, including as a doping agent in fluoride fibers. It is also used in the scintillator for medical CAT scans. Used as additive for special steel, non-ferric alloy, hydrogen storage alloy, also reducer for making other rare Earth metal.

Safety

Symbol(GHS) 
GHS02,GHS07
Signal word  Danger
Hazard statements  H250-H315-H319-H413
Precautionary statements  P210-P231+P232-P273-P302+P352-P305+P351+P338-P370+P378
Hazard Codes  F,C
Risk Statements  17-11-34
Safety Statements  17-7/9-33-16-45-36/37/39-27-26-23
RIDADR  UN 3208 4.3/PG 1
WGK Germany  3
1-10
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  28053090

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