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LEAD(II) OXIDE ICSC: 0288
Date of Peer Review: October 2002

Lead monoxide
Plumbous oxide
Lead protoxide
Litharge
CAS # 1317-36-8 PbO
RTECS # OG1750000 Molecular mass: 223.2
UN # 3288
EC # 082-001-00-6 (lead compounds)
TYPES OF HAZARD / EXPOSURE ACUTE HAZARDS / SYMPTOMS PREVENTION FIRST AID / FIRE FIGHTING
FIRE Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.

In case of fire in the surroundings: use appropriate extinguishing media.
EXPLOSION


EXPOSURE See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE.
AVOID EXPOSURE OF (PREGNANT) WOMEN! PREVENT DISPERSION OF DUST!

Inhalation
Local exhaust or breathing protection.
Fresh air, rest.
Skin
Protective gloves.
Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes
Safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion Abdominal pain. Nausea. Vomiting.
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth. Give plenty of water to drink. Refer for medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Do NOT let this chemical enter the environment. (Extra personal protection: P3 filter respirator for toxic particles.)
Do not transport with food and feedstuffs.
EU Classification
Symbol: T, N
R: 61-20/22-33-50/53-62
S: 53-45-60-61
Note: [A; Note: E]
UN Classification
UN Hazard Class: 6.1

EMERGENCY RESPONSE STORAGE
Transport Emergency Card: TEC (R)-61GT5-II
Separated from food and feedstuffs and incompatible materials. See Chemical Dangers.
IPCS
International
Programme on
Chemical Safety
Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities IPCS, CEC 1999

SEE IMPORTANT INFORMATION ON BACK


LEAD(II) OXIDE ICSC: 0288
IMPORTANT DATA
PHYSICAL STATE; APPEARANCE:
RED TO YELLOW CRYSTALS

CHEMICAL DANGERS:
Reacts violently with aluminium powder. On heating, toxic fumes are formed.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: as Pb 0.05 mg/m; A3; (ACGIH 2002).
MAK: as Pb 0.1 mg/m; Peak limitation category: II(8) Carcinogen category: 3B Pregnancy risk group: B (DFG 2002).
ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation and by ingestion.

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, resulting in anaemia, encephalopathy (e.g., convulsions), peripheral nerve disease, abdominal cramps and kidney impairment. Causes toxicity to human reproduction or development.
PHYSICAL PROPERTIES
Boiling point: 1470C
Melting point: 888C
Density: 9.5 g/cm^3
Solubility in water: none
ENVIRONMENTAL DATA
Bioaccumulation of this chemical may occur in plants and in mammals. It is strongly advised that this substance does not enter the environment.
NOTES
Depending on the degree of exposure, periodic medical examination is indicated. Do NOT take working clothes home. See ICSC 0052 Lead.
ADDITIONAL INFORMATION


LEGAL NOTICE Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information
IPCS, CEC 1999