MATERIAL SAFETY DATA SHEET LEAD
PRODUCT CODE NUMBER(S): 4420-1
PRODUCT IDENTIFICATION Hazardous Decomposition Products: Toxic lead and lead
oxide fumes are released at elevated temperatures.
Chemical Name and Synonyms: Lead
FIRE AND EXPLOSION DATA
Chemical Family: Metal
Chemical Formula: Pb Flammability: Not combustible. However, fine dust dis-
Product Use: Laboratory reagent persed in air in the presence of an ignition source is a
potential dust explosion hazard.
Manufacturer鈥檚 Name and Address:
Extinguishing Media: Smother fire with dry sand, clay or
Caledon Laboratories Ltd.
ground limestone. Water should be used to disperse dust,
40 Armstrong Avenue
absorb heat, cool containers, and disperse vapours. Fight
Georgetown, Ontario L7G 4R9
fire from upwind, from a safe distance. Firefighters must
Telephone No: (905) 877-0101 wear protective equipment (positive-pressure, full face-piece
Fax No: (905) 877-6666 self-contained breathing apparatus), and clothing (chemical
splash suit) sufficient to prevent inhalation of dusts or fumes
Emergency Telephone No: CANUTEC (613) 996-6666
and contact with skin and eyes.
HAZARDOUS INGREDIENTS OF MATERIALS Flash Point (Method Used): Not applicable
Autoignition Temperature: Not applicable
Ingredients % TLV Units CAS No. Upper Flammable Limit (% by volume): Not applicable
50 mg/m 3
Lower Flammable Limit (% by volume): Not applicable
Lead (metal) 99 7439-92-1
(PEL-TWA) Hazardous Combustion Products: Lead fumes, PbOx
Sensitivity to Impact: An alloy of lead and zirconium
PHYSICAL DATA (10-70%) will ignite when struck with a hammer.
Sensitivity to Static discharge: Lead metal will not accu-
Physical State: Solid
mulate static charge; it has a high electrical conductivity.
Odour and Appearance: Soft bluish grey, ductile, soft foil
Under certain conditions, airborne lead powder or dust can
(0.13 mm); odourless
explode when ignited by an electrostatic spark or other igni-
Odour Threshold (ppm): Not applicable tion source.
Vapour Pressure (mm Hg): 1.8 mm Hg at 1000掳C
TOXICOLOGICAL PROPERTIES AND HEALTH DATA
Vapour Density (Air = 1): 7.14
Evaporation Rate: Not applicable
Toxicological Data:
Boiling Point (degrees C): 1740掳C
LD50: Not established
Melting Point (degrees C): 327.4掳C
LC50: Not established
pH: Not applicable
Specific Gravity: 11.34 @ 20掳C
Effects of Acute Exposure to Product:
Coefficient of Water/Oil distribution: Not applicable
Lead is a cumulative poison.
SHIPPING DESCRIPTION Inhaled: Toxic; cumulative. Fumes (which may occur in fire
conditions) and dust are irritating and harmful and are
UN: Not regulated readily absorbed with systemic effects (see 鈥淚ngested鈥?).
T.D.G. Class: Not regulated In contact with skin: Inot known to cause iritation. Poorly
absorb ed through skin, but there may be some absorption
Pkg. Group: Not regulated
after prolonged exposure.
REACTIVITY DATA In contact with eyes: No relevant human or animal infor-
mation available. Dusts will probably cause mechanical
Chemical Stability: Normally stable. Tarnishes on expo- irritation, withredness, tearing, temorary pain. Fumes may
sure to air. also cause irritation.
Incompatibility with other substances: Reacts vigorously Ingested: Toxic; cumulative. Causes gastrointestinal irrita-
or violently with strong acids, strong oxidizers. Reacts with tion, anorexia, vomiting, malaise, paralysis, CNS depression
sodium azide to form explosive lead azide. Lead powder and eventual convulsions due to increased intracranial pres-
may react explosivley with chlorine trifluoride, sodium sure. Other symptoms include, reduced urine output, blood
acetylide sodium azide, ammonium nitrate, hydrogen perox- in urine, back pain due to kidney effects, dizziness and
ide, and active metals. Reacts with water and weak organic incoordination due to CNS effects, gingivitis and lead line
acids in the presence of oxygen. (blue line) on gums, anemia, with weakness and fatigue.
Reactivity: Avoid generation of dust, elevated tempera-
tures, all incompatible materials.
LEAD
MSDS
CODE: 4420-1
Effects of Chronic Exposure to Product: there is dust, keep away from heat, sparks, and all sources
of ignition; avoid the accumulation of static charge, use
Cumulative poison. anti-sparking tools and ground and bond equipment and
containers. Use the smallest amount possible for the pur-
Inhalation is the most common route of entry from work
pose, in a desiganted area with adequate ventilation. Keep
place exposures to dust or fumes. Early symptoms include
work area clean and free of extraneous materials. Keep
fatigue, headache, sleep disturbance constipation, aching
containers closed when not in use and when empty. Avoid
bones and muscles, gastrointestinal tract disturbances, re-
inhalation of dust or fumes. Wash thoroughly after working
duced appetite, effects on immune system. Later, anemia,
with this product.
lead-line on the gums, abdominal pain may occur. Cumula-
Storage Requirements: Store in suitable, labelled contain-
tive effects may result in neuro muscular disorders (periph-
ers, a cool, dry, well-ventilated area, out of direct sunlight
eral neuropathy), central nervous system depression,
and away from food and water, heat, and incompatible ma-
damage to kidney, liver, and reproductive systems, eventual
terials. Keep container tightly closed. Protect from damage
paralysis, brain damage, coma and death. and inspect frequently for signs of damage or leaking.
Carcinogenicity: Carcinogenicity designation A3, animal
FIRST AID MEASURES
carcinogen (ACGIH, 1997), probable human carcinogen,
group 2A (IARC)
Teratogenicity: Crosses placental barrier. Fetotoxic. May Specific Measures:
affect mental development (fetal and postnatal) and blood,
Eyes: Flush thoroughly with gently running water, holding
nervous and digestive systems (RTECS No. OF 7525000).
eyelids open while flushing, until all traces of chemical are
Reproductive Effects: Cumulative effects on both male
removed. Get medical advice if irritation develops.
and female reproductive systems.
Skin: Remove contaminated clothing. Wash skin with
Mutagenicity: Mutation data cited
plenty of running water until no trace of chemical remains.
Synergistic Products: None found If irritation develops get medical attention.
Inhalation: Remove to fresh air (caution must be used by
PREVENTIVE MEASURES rescuers to avoid exposure to dust). Give oxygen for any
breathing difficulty. Get medical attention for any inhalation
Engineering Controls: Local exhaust ventilation required.
exposure.
Respiratory Protection: Up to 0.5 mg/m3: NIOSH ap- Ingestion: If victim is alert and NOT convulsing, rinse
proved respirator with high-efficiency particulate filter. Up to mouth thoroughly with water, give 2 to 4 glasses of water to
1.25 mg/m3: powered air-purifying respirator with drink to dilute and induce vomiting under medical supervi-
high-efficiency particulate filter, or continuous-flow sup- sion. Get medical attention immediately.
plied-air respirator. Up to 2.5 mg/m3: full face-piece
respirator with high-efficiency particulate filter, or continu-
REFERENCES USED
ous-flow supplied-air respirator with tight-fitting face-piece,
or full face-piece self-contained breathing apparatus or sup- CCINFO disc: Cheminfo
plied-air respirator. Up to 100 mg/m3: Positive-pressure full Budavari: The Merck Index, 12th ed., 1997
face-piece self-contained breathing apparatus or sup-
Royal Society of Chemistry: Chemical Safety Data Sheets,
plied-air respirator. For higher or unknown concentrations,
Vol 2, 1989
as in fire or spill conditions, positive-pressure full face-piece
self-contained breathing apparatus or positive-pressure full Sax: Dangerous Properties of Industrial Materials, 5th ed.
face-piece supplied-air respirator with an auxiliary posi- 1979
tive-pressure self-contained breathing apparatus. Sax, Lewis: Hawley鈥檚 Condensed Chemical Dictionary, 11th
Eye Protection: Chemical safety goggles and/or face ed., 1987
shield.
Suppliers鈥? Material Safety Data Sheets
Skin Protection: Impervious rubber or plastic gloves.
Plastic apron, long sleeves and boots as appropriate to pre-
ADDITIONAL INFORMATION
vent contact.
Other Personal Protective Equipment: Safety shower Date Issued: February 20, 1990
and eye-wash fountain in work area. Revision: January 2008
Leak and Spill Procedure: Evacuate area. Do not touch
MSDS: 4420-1
spilled material. Cleanup personnel must be thoroughly
Proposed WHMIS Designation: D2A
trained in the handling of hazardous products and in the
hazards of this particular product, and must wear protective
equipment and clothing sufficient to prevent inhalation of Prepared by: Caledon Laboratories Ltd. (905) 877-0101
dust or fumes, and contact with skin and eyes. Contain and Caledon Laboratories Ltd. believes the information contained
collect in a manner that does not raise dust, for re-use or herein is reliable and accurate. Caledon makes no warranty
disposal. Protect from entering sewers, storm drains, or with respect thereto and expressly disclaims all liability for reli-
other waterways.
ance thereon. Such information is solely for your consider-
Waste Disposal: Follow all federal, provincial and local ation, investigation, and verification.
regulations for disposal of lead.
Handling Procedures and Equipment: TOXIC, CUMU-
LATIVE POISON, TERATOGEN, MUTAGEN,
REPRODUCTIVE HAZARD, COMBUSTIBLE DUST.
Workers handling this product must be thoroughly trained in
its hazards and its safe use, and must wear appropriate pro-
tective equipment and clothing. Avoid generating dust. If
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