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Hydroxides and bases

Palladium hydroxide

Also known as Palladium(II) hydroxide, Palladium hydroxide on carbon, Pearlman's catalyst

CAS 12135-22-7Formula H2O2PdMolar mass 140.43 g/molEC 235-219-2
GHS signal word: Danger. Pictograms: Oxidiser, Corrosive, Harmful or irritant 15 suppliers listed
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Palladium hydroxide chemical structure, H2O2Pd, CAS 12135-22-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
12135-22-7
Formula
H2O2Pd
Molar mass
140.43 g/mol
EC number
235-219-2
HS code
284390
Category
Hydroxides and bases

What is Palladium hydroxide?

Plain description, key identifiers and synonyms

Palladium hydroxide is a chemical substance with the molecular formula H2O2Pd and a molar mass of 140.43 g/mol. Its CAS registry number is 12135-22-7. The IUPAC name is palladium(2+) dihydroxide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
palladium(2+) dihydroxide
CAS number
12135-22-7 CAS number cross-checked
EC number
235-219-2
Molecular formula
H2O2Pd
UNII
HRE96R2PEX
InChIKey
NXJCBFBQEVOTOW-UHFFFAOYSA-L
InChI
InChI=1S/2H2O.Pd/h2*1H2;/q;;+2/p-2
SMILES (canonical and isomeric)
[OH-].[OH-].[Pd+2]

Synonyms

  • Palladium(II) hydroxide
  • Palladium hydroxide on carbon
  • Pearlman's catalyst
  • Palladium dihydroxide
  • Palladium hydroxide (Pd(OH)2)
  • Pearlmans Catalyst
  • dihydroxypalladium
  • palladiumhydroxide
  • Pearlman catalyst
  • Palladium hydroxide on carbon(20%)
  • Palladium hydroxide on carbon(10%)
  • Palladium Hydroxide 20% on Carbon, ca.50% Water
  • Peariman's c
  • Palladium(2+) dihydroxide
  • Peariman's catalyst
  • Pearl man's catalyst
  • O2Pd
  • Palladium(II)hydroxide
  • Palladium(II)dihydoxide
  • Pd(OH)2 on charcoal
  • Palladium hydroxide 20wt.% Pd on carbon
  • palladium (ii) hydroxide
  • palladium hydroxide/carbon
  • palladium-(II) hydroxide
  • palladium-(II)-hydroxide
Show all 34 synonyms
  • palladium hydroxide charcoal
  • palladium hydroxide-charcoal
  • palladiumhydroxide on carbon
  • Pd(OH)2/C
  • paIIadium hydroxide on carbon
  • palladiumhydroxide on charcoal
  • palladiurn hydroxide on carbon
  • palladium hydroxide on charcoal
  • Palladium Hydroxide 10% on Carbon, ca.55% Water

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
140.43 g/molcalc.
Exact mass
139.909 Dacalc.
LogP (octanol/water)
-0.36calc.
Topological polar surface area
60 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS03: Oxidiser
Oxidiser
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H272May intensify fire, oxidiser.
  • H302Harmful if swallowed.
  • H317May cause an allergic skin reaction.
  • H318Causes serious eye damage.
  • H319Causes serious eye irritation.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (21)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P220Keep away from clothing and other combustible materials.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Palladium hydroxide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 15 suppliers
15 of 15 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

15 suppliers in 4 countries

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Palladium hydroxide price

Indicative price range per kg from live supplier offers

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Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Palladium hydroxide is traded under.

HS 2843.90Indicative HS code

Amalgams

World exports in 2024
$5.76B
−33.2% vs 2023, imports $3.61B
2019 to 2024
Top exporters
  1. Germany36.9%
  2. Japan23.5%
  3. United States13.0%
Top importers
  1. India * partner reported23.1%
  2. Mexico11.6%
  3. Germany10.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Palladium hydroxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Palladium hydroxide, based on the data on this page

What is Palladium hydroxide?

Palladium hydroxide is a chemical substance with the molecular formula H2O2Pd and a molar mass of 140.43 g/mol. Its CAS registry number is 12135-22-7. The IUPAC name is palladium(2+) dihydroxide.

What is the CAS number of Palladium hydroxide?

The CAS registry number of Palladium hydroxide is 12135-22-7.

What is the molecular formula and weight of Palladium hydroxide?

The molecular formula of Palladium hydroxide is H2O2Pd and its molar mass is 140.43 g/mol.

Is Palladium hydroxide hazardous?

Palladium hydroxide carries the GHS signal word "Danger". Main hazards: may intensify fire, oxidiser, harmful if swallowed, may cause an allergic skin reaction. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Palladium hydroxide?

Palladium hydroxide is usually classified under HS code 284390 (Colloidal precious metals, inorganic or organic compounds of precious metals, whether or…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Palladium hydroxide?

CompoundList lists 15 suppliers of Palladium hydroxide in China, India, United Kingdom and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Palladium hydroxide in India?

6 suppliers in India list Palladium hydroxide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Palladium hydroxide?

Suppliers quote Palladium hydroxide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Palladium hydroxide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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