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Hydroxides and bases

Lead hydroxide (Pb(OH)2)

Also known as Lead(II) hydroxide, H2-O2-Pb, plumbanediol

CAS 19783-14-3Formula H2O2PbMolar mass 241.21 g/molEC 243-310-3
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 1 supplier listed
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Lead hydroxide (Pb(OH)2) chemical structure, H2O2Pb, CAS 19783-14-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
19783-14-3
Formula
H2O2Pb
Molar mass
241.21 g/mol
Physical form
Solid
HS code
282490
Category
Hydroxides and bases
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Lead hydroxide (Pb(OH)2)?

Plain description, key identifiers and synonyms

Lead hydroxide (Pb(OH)2) is a chemical substance with the molecular formula H2O2Pb and a molar mass of 241.21 g/mol. Its CAS registry number is 19783-14-3. The IUPAC name is lead(2+) dihydroxide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
lead(2+) dihydroxide
CAS number
19783-14-3 CAS number cross-checkedOther or deprecated CAS: 1311-11-1
EC number
243-310-3
Molecular formula
H2O2Pb
InChIKey
VNZYIVBHUDKWEO-UHFFFAOYSA-L
InChI
InChI=1S/2H2O.Pb/h2*1H2;/q;;+2/p-2
SMILES (canonical and isomeric)
[OH-].[OH-].[Pb+2]

Synonyms

  • Lead(II) hydroxide
  • H2-O2-Pb
  • plumbanediol
  • Lead hydroxide
  • lead(2+), dihydroxide
  • Lead hydroxide oxide
  • Lead(2+) hydroxide

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

Physical form
Solidexp.

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
241.21 g/molcalc.
Exact mass
241.9821 Dacalc.
LogP (octanol/water)
-0.73calc.
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
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302 + H332Harmful if swallowed. Harmful if inhaled.
  • H302Harmful if swallowed.
  • H332Harmful if inhaled.
  • H350May cause cancer.
  • H360May damage fertility or the unborn child.
  • H360DfMay damage the unborn child. Suspected of damaging fertility.
  • H361Suspected of damaging fertility or the unborn child.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (17)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • P391Collect spillage.
  • P405Store locked up.
  • 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

Lead hydroxide (Pb(OH)2) suppliers

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Where suppliers are based

1 supplier in 1 country

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Lead hydroxide (Pb(OH)2) price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Intermediate, Other.

Consumer uses: Other.

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 Lead hydroxide (Pb(OH)2) is traded under.

HS 2824.90Indicative HS code

Lead oxides, red lead and orange lead, other

World exports in 2024
$73.7M
+12.0% vs 2023, imports $65.8M
2019 to 2024
Top exporters
  1. Germany29.1%
  2. Spain13.5%
  3. Italy9.9%
Top importers
  1. Poland23.5%
  2. Germany7.4%
  3. Spain6.7%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Lead hydroxide (Pb(OH)2) is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Lead hydroxide (Pb(OH)2), based on the data on this page

What is Lead hydroxide (Pb(OH)2)?

Lead hydroxide (Pb(OH)2) is a chemical substance with the molecular formula H2O2Pb and a molar mass of 241.21 g/mol. Its CAS registry number is 19783-14-3. The IUPAC name is lead(2+) dihydroxide.

What is the CAS number of Lead hydroxide (Pb(OH)2)?

The CAS registry number of Lead hydroxide (Pb(OH)2) is 19783-14-3. Other or deprecated CAS numbers: 1311-11-1.

What is the molecular formula and weight of Lead hydroxide (Pb(OH)2)?

The molecular formula of Lead hydroxide (Pb(OH)2) is H2O2Pb and its molar mass is 241.21 g/mol.

What is Lead hydroxide (Pb(OH)2) used for?

Industrial uses: Intermediate, Other. Consumer uses: Other.

Is Lead hydroxide (Pb(OH)2) hazardous?

Lead hydroxide (Pb(OH)2) carries the GHS signal word "Danger". Main hazards: harmful if swallowed. harmful if inhaled, harmful if swallowed, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Lead hydroxide (Pb(OH)2)?

Lead hydroxide (Pb(OH)2) is usually classified under HS code 282490 (Lead oxides, red lead and orange lead, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lead hydroxide (Pb(OH)2)?

CompoundList lists 1 supplier of Lead hydroxide (Pb(OH)2) in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Lead hydroxide (Pb(OH)2)?

Suppliers quote Lead hydroxide (Pb(OH)2) 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 Lead hydroxide (Pb(OH)2)

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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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