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Stabilizers and polymer additives

Lead stearate

Also known as Lead distearate, Lead(II) stearate, Stabinex NC18

CAS 1072-35-1Formula C36H70O4PbMolar mass 774.15 g/molEC 214-005-2
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard, Hazardous to the environment 25 suppliers listed
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Lead stearate chemical structure, C36H70O4Pb, CAS 1072-35-1
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Powder
Melting point
115.7 °C
Density
1.34 to 1.4
Flash point
>232.2
HS code
291570
Category
Stabilizers and polymer additives
UN number
UN 2291
Illustrative photo, drums, an IBC tote and sacks in a chemical warehouse in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Lead stearate?

Plain description, key identifiers and synonyms

Powdery white solid with a slight fatty odor. Sinks in water. (USCG, 1999)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
lead(2+), bis(octadecanoate)
CAS number
1072-35-1 CAS number cross-checkedOther or deprecated CAS: 7428-48-0, 90459-52-2
EC numbers
214-005-2, 291-696-7
Molecular formula
C36H70O4Pb
UNII
HQ5TZ3NAEI
MDL number
MFCD00050719
InChIKey
UQLDLKMNUJERMK-UHFFFAOYSA-L
InChI
InChI=1S/2C18H36O2.Pb/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Pb+2]

Synonyms

  • Lead distearate
  • Lead(II) stearate
  • Stabinex NC18
  • Listab 28ND
  • Lead(2+) stearate
  • Lead (II) stearate
  • Lead(II) octadecaoate
  • Octadecanoic acid, lead(2+) salt
  • Lead(2+) octadecanoate
  • SL 1000 (stabilizer)
  • Lead distearate, pure
  • Stearic acid, lead(2+) salt
  • Octadecanoic acid, lead(2+) salt, basic
  • Octadecanoic acid, lead(2+) salt (2:1)
  • Lead(II) octadecanoate
  • NC 18ED
  • Stearic acid lead salt
  • Octadecanoic acid, lead salt
  • Octadecanoic acid lead(2+) salt (2:1)
  • neutral lead stearate
  • Lead stearic acid
  • lead(2+) dioctadecanoate
  • (octadecanoyloxy)plumbyl octadecanoate
  • 1072-35-17428-48-056189-09-452652-59-2(replacedby56189-09-4)
  • lead(2+), octadecanoate
Show all 33 synonyms
  • Austrostab 110E
  • Listab 28
  • SLW
  • C36H70O4Pb
  • PBST
  • plumbous, octadecanoate
  • NS 2
  • SL 1000

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
Powderexp.
Melting point
115.7 °Cexp.
Density
1.34 to 1.4exp.
Flash point
>232.2exp.

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
774.15 g/molcalc.
Exact mass
774.5041 Dacalc.
LogP (octanol/water)
9.61calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
32calc.
Heavy atoms
41calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.94calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
Lipinski rule of five
Fails (2 violations)calc.

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

  • H302Harmful if swallowed.
  • H332Harmful if inhaled.
  • H360May damage 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.
UN number
UN 2291

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 stearate suppliers

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

All 25 suppliers
25 of 25 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

25 suppliers in 8 countries

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Lead stearate price

Indicative price range per kg from live supplier offers

No published prices right now

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

Functional uses

  • Heat stabilizer
  • Lubricating agent
  • Thickening agent
  • UV stabilizer

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 stearate is traded under.

HS 2915.70Indicative HS code

Palmitic acid, stearic acid, their salts and esters

World exports in 2024
$1.25B
+23.7% vs 2023, imports $1.13B
2019 to 2024
Top exporters
  1. Indonesia32.2%
  2. Malaysia23.0%
  3. Singapore6.5%
Top importers
  1. United States10.7%
  2. Germany6.2%
  3. China5.9%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Lead stearate?

Powdery white solid with a slight fatty odor. Sinks in water. (USCG, 1999)

What is the CAS number of Lead stearate?

The CAS registry number of Lead stearate is 1072-35-1. Other or deprecated CAS numbers: 7428-48-0, 90459-52-2.

What is the molecular formula and weight of Lead stearate?

The molecular formula of Lead stearate is C36H70O4Pb and its molar mass is 774.15 g/mol.

What is Lead stearate used for?

Known uses and roles of Lead stearate include heat stabilizers in plastics and polymers, uv stabilizers in plastics and polymers, lubricants and slip agents in plastics and polymers, surfactants in home care and cleaning, heat stabilizer and 3 more.

Is Lead stearate hazardous?

Lead stearate carries the GHS signal word "Danger". Main hazards: harmful if swallowed, harmful if inhaled, may damage fertility or the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Lead stearate?

Lead stearate is usually classified under HS code 291570 (Palmitic acid, stearic acid, their salts and esters). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lead stearate?

CompoundList lists 25 suppliers of Lead stearate in India, China, Japan, Thailand and 4 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 stearate in India?

13 suppliers in India list Lead stearate 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 stearate?

Suppliers quote Lead stearate 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 stearate

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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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