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Silicates, borates and other salts

Lead chromate

Also known as Lead(II) chromate, Plumbous chromate, Chromate de plomb

CAS 7758-97-6Formula CrO4PbMolar mass 323.19 g/molEC 231-846-0
GHS signal word: Danger. Pictograms: Serious health hazard, Hazardous to the environment 29 suppliers listed
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Lead chromate chemical structure, CrO4Pb, CAS 7758-97-6
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Yellow or orange-yellow powder
Melting point
844 °C
Boiling point
250 °C
Density
6.12 g/cm³
Solubility
In water, 0.2 mg/L
HS code
284150
Category
Silicates, borates and other salts
UN number
UN 3085
Illustrative photo, yellow pigment powder in an open fibre drum in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Lead chromate?

Plain description, key identifiers and synonyms

Lead chromate is a chromium coordination entity comprising chromate and lead(2+) ions in a 1:1 ratio. It has a role as a carcinogenic agent and a nephrotoxic agent. It is a chromium coordination entity and a lead coordination entity. It contains a chromate(2-) and a lead(2+).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dioxido(dioxo)chromium, lead(2+)
CAS number
7758-97-6 CAS number cross-checkedOther or deprecated CAS: 11119-70-3, 15804-54-3
EC number
231-846-0
Molecular formula
CrO4Pb
UNII
AA3229AOUS
InChIKey
MOUPNEIJQCETIW-UHFFFAOYSA-N
InChI
InChI=1S/Cr.4O.Pb/q;;;2*-1;+2
SMILES (canonical and isomeric)
[O-][Cr](=O)(=O)[O-].[Pb+2]

Synonyms

  • Lead(II) chromate
  • Plumbous chromate
  • Chromate de plomb
  • Lead chromate(VI)
  • Lead Chromate Yellow
  • Basic lead chromate
  • Chromic acid, lead salt
  • Chromic acid, lead(2+) salt (1:1)
  • Chromic acid, lead salt, basic
  • Chromic acid (H2CrO4), lead(2+) salt (1:1)
  • Lead chromate (VI)
  • Paris yellow
  • Cologne yellow
  • Leipzig yellow
  • Chrome lemon
  • King's yellow
  • Pigment green 15
  • Pure lemon chrome l3gs
  • C.p. chrome yellow light
  • C.p. chrome yellow medium
  • Canary chrome yellow 40-2250
  • lambda2-lead(2+) ion dioxochromiumbis(olate)
  • Chrome Yellow
  • Chromium Yellow
  • Lead chromate (PbCrO4)
Show all 34 synonyms
  • Chromium lead oxide
  • dioxido(dioxo)chromium, lead(2+)
  • Phoenicochroite
  • Lead chrome yellow
  • Lead Chromate(VI) (PbCrO4), Chromium Lead Oxide (CrPbO4), Lead ChromateLead Chromate (PbCrO4), Lead Chromium Oxide (PbCrO4), Plumbous ChromateRoyal Yellow 6000,
  • Chromic acid (h2cro4),lead(2+) salt (8ci,9ci)
  • Plumbum chromicum
  • Chromic acid (H2CrO4), lead(2 ) salt
  • Chrome yellow 34

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

Appearance
Yellow or orange-yellow powderexp.
Odour
Odorlessexp.
Melting point
844 °Cexp.
Boiling point
250 °Cexp.
Density
6.12 g/cm³exp.
Solubility
In water, 0.2 mg/Lexp.
Vapour pressure
Approximately 0 mm Hgexp.

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
323.19 g/molcalc.
Exact mass
323.8968 Dacalc.
LogP (octanol/water)
-3calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H350May cause cancer.
  • H360DfMay damage the unborn child. Suspected of damaging fertility.
  • 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 (9)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3085
Transport hazard class
6.1
Packing group
III

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 chromate suppliers

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

All 29 suppliers
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Where suppliers are based

29 suppliers in 7 countries

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Lead chromate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Pigment for paints and inks, in oil and water colors, printing fabrics, decorating china and porcelain, in chemical analysis of organic substances, in traffic paints.

Pigment in industrial paints, rubber, plastics, ceramic coatings, organic analysis.

Industries and functions

Pharmacological actions

  • Coloring Agents

Roles

  • aetiopathogenetic role
  • carcinogenic agent
  • nephrotoxic agent

Functional uses

  • Pigment

Pharmacology

Lead Chromate is a yellow, orange or red colored, crystalline, inorganic compound that emits toxic chromium fumes upon heating. Lead chromate is highly corrosive and is a strong oxidizing agent. This substance is used in printing inks, paints and to color vinyl, rubber and paper. Lead chromate primarily affects the lungs causing shortness of breath, bronchitis, pneumonia and asthma but can also affect the gastrointestinal tract, liver, kidneys and immune system. This substance is a known human carcinogen and is associated with an increased risk of developing lung cancer and cancer of the sinonasal cavity. (NCI05)

How it is made

Lead chromate (chrome yellow) can be produced by reacting sodium chromate with lead nitrate, or by reacting lead monoxide with chromic acid solution. By varying the proportion of reactants, either lead chromate (PbCrO4) or lead chromate oxide (basic lead chromate, PbO.PbCrO4) can be produced. High lead chromate content is associated with yellow pigments, increasing the lead chromate oxide content gives orange colors, and mixing with lead molybdate gives red pigments.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 082-004-00-2

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Proposed significant new use rule

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Lead chromate is traded under.

HS 2841.50Indicative HS code

Salts of oxometallic or peroxometallic acids, other chromates and dichromates…

World exports in 2024
$15.6M
−1.3% vs 2023, imports $23.5M
2019 to 2024
Top exporters
  1. United States24.2%
  2. China21.1%
  3. France * partner reported13.7%
Top importers
  1. United States36.5%
  2. Japan15.8%
  3. Turkey7.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Lead chromate, based on the data on this page

What is Lead chromate?

Lead chromate is a chromium coordination entity comprising chromate and lead(2+) ions in a 1:1 ratio. It has a role as a carcinogenic agent and a nephrotoxic agent. It is a chromium coordination entity and a lead coordination entity. It contains a chromate(2-) and a lead(2+).

What is the CAS number of Lead chromate?

The CAS registry number of Lead chromate is 7758-97-6. Other or deprecated CAS numbers: 11119-70-3, 15804-54-3.

What is the molecular formula and weight of Lead chromate?

The molecular formula of Lead chromate is CrO4Pb and its molar mass is 323.19 g/mol.

What is Lead chromate used for?

Pigment for paints and inks, in oil and water colors, printing fabrics, decorating china and porcelain, in chemical analysis of organic substances, in traffic paints. Pigment in industrial paints, rubber, plastics, ceramic coatings, organic analysis.

Is Lead chromate hazardous?

Lead chromate carries the GHS signal word "Danger". Main hazards: may cause cancer, may damage the unborn child. suspected of damaging fertility, may cause damage to organs through prolonged or repeated exposure. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Lead chromate?

Lead chromate is usually classified under HS code 284150 (Salts of oxometallic or peroxometallic acids, other chromates and dichromates…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lead chromate?

CompoundList lists 29 suppliers of Lead chromate in India, China, United States, Canada and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Lead chromate in India?

9 suppliers in India list Lead chromate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Lead chromate?

Suppliers quote Lead chromate 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 chromate

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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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