Lead distearate

  • Lead stearate
  • Octadecanoic acid, lead(2+) salt
Formula
Pb(C18H35O2)2
Structure
Description
White to light brown, powdery solid with a slight fatty odor.
Uses
Substance is used in extreme pressure lubricants.

Registry Numbers and Inventories.
CAS
1072-35-1
EC (EINECS/ELINCS)
214-005-2
Merck
12,5442
Beilstein/Gmelin
334895 (G)
Swiss Giftliste 1
G-1273
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Korea ECL
Listed

Properties.
Formula
C36H70O4Pb
Formula mass
774.15
Melting point, °C
115.5
Density
1.091 g/cm3
Solubility in water
Insoluble
Surface tension
14.8 erg/cm2 (116 C)

Hazards and Protection.
Protection
Gloves, goggles or safety glasses, coveralls, and cap.
Respirators
Dust and/or fume respirator.

Fire.
Hazards
Possibility of explosion exists under dusty conditions.
Combustion products
At high temperature toxic fumes are emitted.

Health.
Exposure limit(s)
50 µg/m3 PEL
Carcinogin
G-A3, I-2B, CP65
Poison_Class
1
Exposure effects
   Ingestion
Abdominal pain, diarrhea, constipation, loss of appetite, muscular weakness, headache, blue line on gums, metallic taste, nausea, and vomiting.
   Inhalation
Joint and muscle pains, headache, dizziness, and insomnia. Weakness, frequently of extensor muscles of hand and wrist (unilateral or bilateral). Heavy contamination - brain damage. Stupor progressing to coma - with or without convulsion, often death. Excitation, confusion and mania less common. Cerebrospinal pressure may be increased.

First aid
 
   Ingestion
Call a physician at once. Induce vomiting, give milk and magnesium sulfate (epsom salts).
   Inhalation
Remove from the source of exposure. Keep victim quiet and warm.
   Skin
Wash with soap and water.
   Eyes
Wash with water for 15 to 20 minutes.

Transport.
USCG CHRIS Code
LSA