Palladium

Palladium

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

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

PropertyValue

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

PropertyValue

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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FAQ

Q1:Does it support customized products?

A1:Yes, it does. Formulations can be adjusted and customized production can be carried out according to customer's industry needs and performance parameters.


Q2:Can samples be provided?

A2:We support free sample delivery and testing services to meet customers' early testing needs.


Q3:Is the product quality stable? 

A3:With full-process quality inspection and control, there are minimal batch differences, and the purity and stability strictly meet the standards.


Q4:What is the shipping cycle?

A4:For regular inventory, we offer quick delivery. For customized orders, we arrange production according to demand and ensure timely delivery.

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