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7428-48-0

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Basic Information
CAS No.: 7428-48-0
Name: LEAD STEARATE
Article Data: 11
Molecular Structure:
Molecular Structure of 7428-48-0 (LEAD STEARATE)
Formula: C18H36 O2 . x Pb
Molecular Weight: 774.149
Synonyms: Octadecanoicacid, lead salt (9CI); Stearic acid, lead salt (8CI); Austrostab 110E; Leadoctadecanoate; Lead stearate; Listab 28; NS 2; NS 2 (stabilizer); SLW
Density: 1.4000
Melting Point: 125°C
Hazard Symbols: Toxic material. Absorbed by skin.
Safety: Mildly toxic by ingestion. When heated to decomposition it emits toxic fumes of Pb. See also LEAD COMPOUNDS.
PSA: 80.26000
LogP: 9.61480
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Chemistry

Molecular Structure of Lead stearate (CAS NO. 7428-48-0):

EINECS:
IUPAC Name: Lead(2+); octadecanoate
Molecular Formula: C36H70O4Pb
Molecular Weight: 774.1386 g/mol
H-Bond Donor: 0
H-Bond Acceptor: 4
Canonical SMILES: CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Pb+2]
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
InChIKey: UQLDLKMNUJERMK-UHFFFAOYSA-L
Flash Point: 162.4 °C
Enthalpy of Vaporization: 63.84 kJ/mol
Boiling Point: 359.4 °C at 760 mmHg
Vapour Pressure of Lead stearate (CAS NO. 7428-48-0): 8.58E-06 mmHg at 25 °C

Toxicity Data With Reference

1.    

orl-gpg LDLo:6000 mg/kg

     AHBAAM    Archiv fuer Hygiene und Bakteriologie. 125 (1941),273.

Consensus Reports

Lead and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

Safety Profile

Mildly toxic by ingestion. When heated to decomposition it emits toxic fumes of Pb. See also LEAD COMPOUNDS.

Standards and Recommendations

ACGIH TLV: TWA 0.15 mg(Pb)/m3
NIOSH REL: (Lead, inorganic) TWA 0.10 mg(Pb)/m3

Specification

  Lead stearate with cas registry number of 7428-48-0 is organic-metal salt, known as Bleistearat ; Lead octadecanoate ; Austrostab 110E ; Hal-Lub-N ; Listab 28 ; Bleistearat [German] ; NS 2 (stabilizer) ; Stearic acid, lead salt ; Octadecanoic acid, lead salt .