IPCS INCHEM Home
LEAD(II) OXIDEICSC: 0288
August 2002
CAS #: 1317-36-8Lead monoxide
Plumbous oxide
Lead protoxide
Litharge
UN #: 3288
EINECS #: 215-267-0

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.        In case of fire in the surroundings, use appropriate extinguishing media.   

See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE. AVOID EXPOSURE OF (PREGNANT) WOMEN! PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!  
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation   Use local exhaust or breathing protection.  Fresh air, rest. 
Skin   Protective gloves.  Remove contaminated clothes. Rinse and then wash skin with water and soap. 
Eyes   Wear safety spectacles.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Abdominal pain. Nausea. Vomiting.  Do not eat, drink, or smoke during work. Wash hands before eating.  Rinse mouth. Give one or two glasses of water to drink. Refer for medical attention . 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: P3 filter respirator for toxic particles. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

 

Transportation
UN Classification
UN Hazard Class: 6.1 

STORAGE
Separated from food and feedstuffs and incompatible materials. See Chemical Dangers. 
PACKAGING
Do not transport with food and feedstuffs. 
LEAD(II) OXIDE ICSC: 0288
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
RED-TO-YELLOW CRYSTALS. 

Physical dangers
 

Chemical dangers
Reacts violently with aluminium powder. Decomposes on heating. This produces toxic fumes. 

Formula: PbO
Molecular mass: 223.2
Boiling point: 1470°C
Melting point: 888°C
Density: 9.5 g/cm³
Solubility in water: none 


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation and by ingestion. 

Effects of short-term exposure
 

Inhalation risk
A harmful concentration of airborne particles can be reached quickly when dispersed, especially if powdered. 

Effects of long-term or repeated exposure
The substance may have effects on the blood, bone marrow, central nervous system, peripheral nervous system and kidneys. This may result in anaemia, encephalopathy (for example, convulsions), peripheral nerve disease, abdominal cramps and kidney impairment. Causes toxicity to human reproduction or development. 


Occupational exposure limits
TLV: 0.05 mg/m3, - ppm, as TWA; A3 (confirmed animal carcinogen with unknown relevance to humans).
MAK: carcinogen category: 2; germ cell mutagen group: 3A.
EU-OEL: 0,15 (binding) mg/m3 as TWA 

ENVIRONMENT
Bioaccumulation of this chemical may occur in plants and mammals. It is strongly advised not to let the chemical enter into the environment. 

NOTES
Depending on the degree of exposure, periodic medical examination is indicated.
Do NOT take working clothes home.
See ICSC 0052. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: T, N; R: 61-20/22-33-50/53-62; S: 53-45-60-61; Note: A, E 

All rights reserved. The published material is being distributed without warranty of any kind, either expressed or implied. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material.
    See Also:
       Toxicological Abbreviations