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Palladium

Name: Palladium
SKU: 0

Basic Information

CAS No.: 7440-05-3
Molecular Formula: Pd
Molecular Weight: 106.42

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Product Details

Palladium is a transition element of Group III (nickel group) and light platinum metal in the periodic table. It is a silvery-white metal that is moderately hard, moderately forgeable, and ductile. Palladium is an intermediate element in Group 10 of transition elements (periods 4, 5, and 6). Many of its properties are similar to those of nickel, which is above it, and platinum, which is below it, in this group. Palladium is a soft, silvery-white metal that has chemical and physical properties very similar to those of platinum. It is ductile and malleable, meaning it can be worked into thin sheets and stretched through a die into very fine wire. Palladium is soluble in aqua regia, hot nitric acid, sulfuric acid, slightly soluble in hydrochloric acid, and insoluble in cold and hot water.

Chemical Properties

Property	Value
Melting Point	1554 °C(lit.)
Boiling Point	2970 °C(lit.)
Density	1.025 g/mL at 25 °C
StorageTemp.	no restrictions.
Solubility	soluble in aqua regia
Form	wire
Color	Silver-gray
Specific Gravity	12.03
Odor	Odorless
Resistivity	9.96 μΩ-cm, 20°C
Water Solubility	INSOLUBLE
Merck	14,6989
Exposure limits	ACGIH: TWA 1 mg/m3OSHA: TWA 15 mg/m3; TWA 5 mg/m3
Stability:	Stable. Flammable - fine powder may cause fire or explosion in air. Incompatible with ozone, sodium tetrahydroborate, sulphur, arsenic.
InChIKey	KDLHZDBZIXYQEI-UHFFFAOYSA-N
CAS DataBase Reference	7440-05-3(CAS DataBase Reference)
NIST Chemistry Reference	Palladium(7440-05-3)
EPA Substance Registry System	Palladium (7440-05-3)

Safety Information

Property	Value
Hazard Codes	T,F,Xi
Risk Statements	61-33-37/38-40-41-36/37/38-11
Safety Statements	53-26-36/37/39-24/25-36-22
RIDADR	UN 3089 4.1/PG 2
WGK Germany	-
RTECS	RT3480500
Autoignition Temperature	>1120 °F
TSCA	Yes
HazardClass	4.1
PackingGroup	III
HS Code	28439000
Hazardous Substances Data	7440-05-3(Hazardous Substances Data)
Toxicity	LD50 oral (rat) 200 mg/kg (palladium chloride)LC50 intratracheal (rat) 6 mg/kg (palladium chloride)

Product Usage
Product UsagePalladium, with the element symbol Pd and atomic number 46, is a rare platinum-group metal. It appears as a silvery-white and shiny metal, with good ductility, electrical conductivity, catalytic activity and strong stability. Its core application is in the catalytic field. As an efficient catalyst, it is widely used in organic synthesis and automobile exhaust purification, which can catalyze hydrogenation, dehydrogenation and other reactions, reducing the emission of harmful gases in automobile exhaust. In the electronic field, it is used to manufacture electronic components, contacts and thick-film pastes, improving the conductivity and stability of electronic equipment. In addition, it is used in jewelry processing as a raw material for precious metal jewelry; in the dental field for making dental restorations; it is also an important component of hydrogen storage materials, used in hydrogen energy-related fields, and is an indispensable rare metal material in industrial production and high-end manufacturing.

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Palladium

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